Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input subsystem updates from Dmitry Torokhov: "Drivers, drivers, drivers... No interesting input core changes this time" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (74 commits) Input: elan_i2c - use iap_version to get firmware information Input: max8997_haptic - fix module alias Input: elan_i2c - fix typos for validpage_count Input: psmouse - add small delay for IBM trackpoint pass-through mode Input: synaptics - fix handling of disabling gesture mode Input: elan_i2c - enable ELAN0100 acpi panels Input: gpio-keys - report error when disabling unsupported key Input: sur40 - fix error return code Input: sentelic - silence some underflow warnings Input: zhenhua - switch to using bitrev8() Input: cros_ec_keyb - replace KEYBOARD_CROS_EC dependency Input: cap11xx - add LED support Input: elants_i2c - fix for devm_gpiod_get API change Input: elan_i2c - enable asynchronous probing Input: elants_i2c - enable asynchronous probing Input: elants_i2c - wire up regulator support Input: do not emit unneeded EV_SYN when suspending Input: elants_i2c - disable idle mode before updating firmware MAINTAINERS: Add maintainer for atmel_mxt_ts Input: atmel_mxt_ts - remove warning on zero T44 count ...
2015-09-04 12:02:11 -07:00 · 2015-09-04 12:02:11 -07:00 · 51e771c0d2
parent abebcdfb64 01b944fe1c
commit 51e771c0d2
100 changed files with 3073 additions and 1295 deletions
--- a/Documentation/devicetree/bindings/input/ads7846.txt
+++ b/Documentation/devicetree/bindings/input/ads7846.txt
@ -64,7 +64,7 @@ Optional properties:
 					pendown-gpio (u32).
 	pendown-gpio			GPIO handle describing the pin the !PENIRQ
 					line is connected to.
-	linux,wakeup			use any event on touchscreen as wakeup event.
+	wakeup-source			use any event on touchscreen as wakeup event.


 Example for a TSC2046 chip connected to an McSPI controller of an OMAP SoC::
--- a/Documentation/devicetree/bindings/input/cap11xx.txt
+++ b/Documentation/devicetree/bindings/input/cap11xx.txt
@ -55,5 +55,24 @@ i2c_controller {
 				 <105>,		/* KEY_LEFT */
 				 <109>,		/* KEY_PAGEDOWN */
 				 <104>;		/* KEY_PAGEUP */
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		usr@0 {
+			label = "cap11xx:green:usr0";
+			reg = <0>;
+		};
+
+		usr@1 {
+			label = "cap11xx:green:usr1";
+			reg = <1>;
+		};
+
+		alive@2 {
+			label = "cap11xx:green:alive";
+			reg = <2>;
+			linux,default_trigger = "heartbeat";
+		};
 	};
 }
--- a/Documentation/devicetree/bindings/input/cypress,cyapa.txt
+++ b/Documentation/devicetree/bindings/input/cypress,cyapa.txt
@ -0,0 +1,44 @@
+Cypress I2C Touchpad
+
+Required properties:
+- compatible: must be "cypress,cyapa".
+- reg: I2C address of the chip.
+- interrupt-parent: a phandle for the interrupt controller (see interrupt
+	binding[0]).
+- interrupts: interrupt to which the chip is connected (see interrupt
+	binding[0]).
+
+Optional properties:
+- wakeup-source: touchpad can be used as a wakeup source.
+- pinctrl-names: should be "default" (see pinctrl binding [1]).
+- pinctrl-0: a phandle pointing to the pin settings for the device (see
+	pinctrl binding [1]).
+- vcc-supply: a phandle for the regulator supplying 3.3V power.
+
+[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
+[1]: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
+
+Example:
+	&i2c0 {
+		/* ... */
+
+		/* Cypress Gen3 touchpad */
+		touchpad@67 {
+			compatible = "cypress,cyapa";
+			reg = <0x24>;
+			interrupt-parent = <&gpio>;
+			interrupts = <2 IRQ_TYPE_EDGE_FALLING>;	/* GPIO 2 */
+			wakeup-source;
+		};
+
+		/* Cypress Gen5 and later touchpad */
+		touchpad@24 {
+			compatible = "cypress,cyapa";
+			reg = <0x24>;
+			interrupt-parent = <&gpio>;
+			interrupts = <2 IRQ_TYPE_EDGE_FALLING>;	/* GPIO 2 */
+			wakeup-source;
+		};
+
+		/* ... */
+	};
--- a/Documentation/devicetree/bindings/input/elants_i2c.txt
+++ b/Documentation/devicetree/bindings/input/elants_i2c.txt
@ -13,6 +13,9 @@ Optional properties:
 - pinctrl-names: should be "default" (see pinctrl binding [1]).
 - pinctrl-0: a phandle pointing to the pin settings for the device (see
  pinctrl binding [1]).
+- reset-gpios: reset gpio the chip is connected to.
+- vcc33-supply: a phandle for the regulator supplying 3.3V power.
+- vccio-supply: a phandle for the regulator supplying IO power.

 [0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
 [1]: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
--- a/Documentation/devicetree/bindings/input/gpio-keys-polled.txt
+++ b/Documentation/devicetree/bindings/input/gpio-keys-polled.txt
@ -20,7 +20,7 @@ Optional subnode-properties:
 	  If not specified defaults to <1> == EV_KEY.
 	- debounce-interval: Debouncing interval time in milliseconds.
 	  If not specified defaults to 5.
-	- gpio-key,wakeup: Boolean, button can wake-up the system.
+	- wakeup-source: Boolean, button can wake-up the system.

 Example nodes:

--- a/Documentation/devicetree/bindings/input/gpio-keys.txt
+++ b/Documentation/devicetree/bindings/input/gpio-keys.txt
@ -23,7 +23,7 @@ Optional subnode-properties:
 	  If not specified defaults to <1> == EV_KEY.
 	- debounce-interval: Debouncing interval time in milliseconds.
 	  If not specified defaults to 5.
-	- gpio-key,wakeup: Boolean, button can wake-up the system.
+	- wakeup-source: Boolean, button can wake-up the system.
 	- linux,can-disable: Boolean, indicates that button is connected
 	  to dedicated (not shared) interrupt which can be disabled to
 	  suppress events from the button.
--- a/Documentation/devicetree/bindings/input/gpio-matrix-keypad.txt
+++ b/Documentation/devicetree/bindings/input/gpio-matrix-keypad.txt
@ -19,7 +19,7 @@ Required Properties:

 Optional Properties:
 - linux,no-autorepeat:	do no enable autorepeat feature.
- linux,wakeup:		use any event on keypad as wakeup event.
+- wakeup-source:	use any event on keypad as wakeup event.
 - debounce-delay-ms:	debounce interval in milliseconds
 - col-scan-delay-us:	delay, measured in microseconds, that is needed
 			before we can scan keypad after activating column gpio
--- a/Documentation/devicetree/bindings/input/qcom,pm8xxx-keypad.txt
+++ b/Documentation/devicetree/bindings/input/qcom,pm8xxx-keypad.txt
@ -33,7 +33,7 @@ PROPERTIES
 	Value type: <bool>
 	Definition: don't enable autorepeat feature.

- linux,keypad-wakeup:
+- wakeup-source:
 	Usage: optional
 	Value type: <bool>
 	Definition: use any event on keypad as wakeup event.
--- a/Documentation/devicetree/bindings/input/samsung-keypad.txt
+++ b/Documentation/devicetree/bindings/input/samsung-keypad.txt
@ -36,9 +36,11 @@ Required Board Specific Properties:
 - pinctrl-0: Should specify pin control groups used for this controller.
 - pinctrl-names: Should contain only one value - "default".

+Optional Properties:
+- wakeup-source: use any event on keypad as wakeup event.
+
 Optional Properties specific to linux:
 - linux,keypad-no-autorepeat: do no enable autorepeat feature.
- linux,keypad-wakeup: use any event on keypad as wakeup event.


 Example:
--- a/Documentation/devicetree/bindings/input/touchscreen/pixcir_i2c_ts.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/pixcir_i2c_ts.txt
@ -8,6 +8,9 @@ Required properties:
 - touchscreen-size-x: horizontal resolution of touchscreen (in pixels)
 - touchscreen-size-y: vertical resolution of touchscreen (in pixels)

+Optional properties:
+- reset-gpio: GPIO connected to the RESET line of the chip
+
 Example:

 	i2c@00000000 {
--- a/Documentation/devicetree/bindings/input/touchscreen/zforce_ts.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/zforce_ts.txt
@ -4,12 +4,12 @@ Required properties:
 - compatible: must be "neonode,zforce"
 - reg: I2C address of the chip
 - interrupts: interrupt to which the chip is connected
- gpios: gpios the chip is connected to
-  first one is the interrupt gpio and second one the reset gpio
+- reset-gpios: reset gpio the chip is connected to
 - x-size: horizontal resolution of touchscreen
 - y-size: vertical resolution of touchscreen

 Optional properties:
+- irq-gpios : interrupt gpio the chip is connected to
 - vdd-supply: Regulator controlling the controller supply

 Example:
@ -23,8 +23,8 @@ Example:
 			interrupts = <2 0>;
 			vdd-supply = <&reg_zforce_vdd>;

-			gpios = <&gpio5 6 0>, /* INT */
-				<&gpio5 9 0>; /* RST */
+			reset-gpios = <&gpio5 9 0>; /* RST */
+			irq-gpios = <&gpio5 6 0>; /* IRQ, optional */

 			x-size = <800>;
 			y-size = <600>;
--- a/Documentation/devicetree/bindings/mfd/tc3589x.txt
+++ b/Documentation/devicetree/bindings/mfd/tc3589x.txt
@ -55,7 +55,7 @@ Optional nodes:
 - linux,keymap: the definition can be found in
   bindings/input/matrix-keymap.txt
 - linux,no-autorepeat: do no enable autorepeat feature.
- - linux,wakeup: use any event on keypad as wakeup event.
+ - wakeup-source: use any event on keypad as wakeup event.

 Example:

@ -84,7 +84,6 @@ tc35893@44 {
 		keypad,num-columns = <8>;
 		keypad,num-rows = <8>;
 		linux,no-autorepeat;
-		linux,wakeup;
 		linux,keymap = <0x0301006b
 				0x04010066
 				0x06040072
@ -103,5 +102,6 @@ tc35893@44 {
 				0x01030039
 				0x07060069
 				0x050500d9>;
+		wakeup-source;
 	};
 };
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@ -55,6 +55,7 @@ cortina	Cortina Systems, Inc.
 cosmic	Cosmic Circuits
 crystalfontz	Crystalfontz America, Inc.
 cubietech	Cubietech, Ltd.
+cypress	Cypress Semiconductor Corporation
 dallas	Maxim Integrated Products (formerly Dallas Semiconductor)
 davicom	DAVICOM Semiconductor, Inc.
 delta	Delta Electronics, Inc.
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@ -1317,6 +1317,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			     <bus_id>,<clkrate>

 	i8042.debug	[HW] Toggle i8042 debug mode
+	i8042.unmask_kbd_data
+			[HW] Enable printing of interrupt data from the KBD port
+			     (disabled by default, and as a pre-condition
+			     requires that i8042.debug=1 be enabled)
 	i8042.direct	[HW] Put keyboard port into non-translated mode
 	i8042.dumbkbd	[HW] Pretend that controller can only read data from
 			     keyboard and cannot control its state
--- a/8
+++ b/8
@ -1932,6 +1932,14 @@ W:	http://atmelwlandriver.sourceforge.net/
 S:	Maintained
 F:	drivers/net/wireless/atmel*

+ATMEL MAXTOUCH DRIVER
+M:	Nick Dyer <nick.dyer@itdev.co.uk>
+T:	git git://github.com/atmel-maxtouch/linux.git
+S:	Supported
+F:	Documentation/devicetree/bindings/input/atmel,maxtouch.txt
+F:	drivers/input/touchscreen/atmel_mxt_ts.c
+F:	include/linux/platform_data/atmel_mxt_ts.h
+
 ATTO EXPRESSSAS SAS/SATA RAID SCSI DRIVER
 M:	Bradley Grove <linuxdrivers@attotech.com>
 L:	linux-scsi@vger.kernel.org
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@ -2293,6 +2293,8 @@ static const struct hid_device_id hid_ignore_list[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
+	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0400) },
+	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0401) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
--- a/drivers/input/ff-core.c
+++ b/drivers/input/ff-core.c
@ -343,9 +343,8 @@ int input_ff_create(struct input_dev *dev, unsigned int max_effects)
 	__set_bit(EV_FF, dev->evbit);

 	/* Copy "true" bits into ff device bitmap */
-	for (i = 0; i <= FF_MAX; i++)
-		if (test_bit(i, dev->ffbit))
-			__set_bit(i, ff->ffbit);
+	for_each_set_bit(i, dev->ffbit, FF_CNT)
+		__set_bit(i, ff->ffbit);

 	/* we can emulate RUMBLE with periodic effects */
 	if (test_bit(FF_PERIODIC, ff->ffbit))
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@ -674,13 +674,19 @@ EXPORT_SYMBOL(input_close_device);
 */
 static void input_dev_release_keys(struct input_dev *dev)
 {
+	bool need_sync = false;
 	int code;

 	if (is_event_supported(EV_KEY, dev->evbit, EV_MAX)) {
-		for_each_set_bit(code, dev->key, KEY_CNT)
+		for_each_set_bit(code, dev->key, KEY_CNT) {
 			input_pass_event(dev, EV_KEY, code, 0);
+			need_sync = true;
+		}
+
+		if (need_sync)
+			input_pass_event(dev, EV_SYN, SYN_REPORT, 1);
+
 		memset(dev->key, 0, sizeof(dev->key));
-		input_pass_event(dev, EV_SYN, SYN_REPORT, 1);
 	}
 }

--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@ -859,12 +859,11 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
 	joydev->handle.handler = handler;
 	joydev->handle.private = joydev;

-	for (i = 0; i < ABS_CNT; i++)
-		if (test_bit(i, dev->absbit)) {
-			joydev->absmap[i] = joydev->nabs;
-			joydev->abspam[joydev->nabs] = i;
-			joydev->nabs++;
-		}
+	for_each_set_bit(i, dev->absbit, ABS_CNT) {
+		joydev->absmap[i] = joydev->nabs;
+		joydev->abspam[joydev->nabs] = i;
+		joydev->nabs++;
+	}

 	for (i = BTN_JOYSTICK - BTN_MISC; i < KEY_MAX - BTN_MISC + 1; i++)
 		if (test_bit(i + BTN_MISC, dev->keybit)) {
--- a/drivers/input/joystick/zhenhua.c
+++ b/drivers/input/joystick/zhenhua.c
@ -47,6 +47,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/slab.h>
+#include <linux/bitrev.h>
 #include <linux/input.h>
 #include <linux/serio.h>

@ -72,16 +73,6 @@ struct zhenhua {
 	char phys[32];
 };

-
-/* bits in all incoming bytes needs to be "reversed" */
-static int zhenhua_bitreverse(int x)
-{
-	x = ((x & 0xaa) >> 1) | ((x & 0x55) << 1);
-	x = ((x & 0xcc) >> 2) | ((x & 0x33) << 2);
-	x = ((x & 0xf0) >> 4) | ((x & 0x0f) << 4);
-	return x;
-}
-
 /*
 * zhenhua_process_packet() decodes packets the driver receives from the
 * RC transmitter. It updates the data accordingly.
@ -120,7 +111,7 @@ static irqreturn_t zhenhua_interrupt(struct serio *serio, unsigned char data, un
 		return IRQ_HANDLED;	/* wrong MSB -- ignore this byte */

 	if (zhenhua->idx < ZHENHUA_MAX_LENGTH)
-		zhenhua->data[zhenhua->idx++] = zhenhua_bitreverse(data);
+		zhenhua->data[zhenhua->idx++] = bitrev8(data);

 	if (zhenhua->idx == ZHENHUA_MAX_LENGTH) {
 		zhenhua_process_packet(zhenhua);
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@ -187,7 +187,7 @@ config KEYBOARD_EP93XX

 config KEYBOARD_GPIO
 	tristate "GPIO Buttons"
-	depends on GPIOLIB
+	depends on GPIOLIB || COMPILE_TEST
 	help
 	  This driver implements support for buttons connected
 	  to GPIO pins of various CPUs (and some other chips).
@ -253,7 +253,7 @@ config KEYBOARD_TCA8418

 config KEYBOARD_MATRIX
 	tristate "GPIO driven matrix keypad support"
-	depends on GPIOLIB
+	depends on GPIOLIB || COMPILE_TEST
 	select INPUT_MATRIXKMAP
 	help
 	  Enable support for GPIO driven matrix keypad.
@ -689,7 +689,7 @@ config KEYBOARD_W90P910
 config KEYBOARD_CROS_EC
 	tristate "ChromeOS EC keyboard"
 	select INPUT_MATRIXKMAP
-	depends on CROS_EC_PROTO
+	depends on MFD_CROS_EC
 	help
 	  Say Y here to enable the matrix keyboard used by ChromeOS devices
 	  and implemented on the ChromeOS EC. You must enable one bus option
--- a/drivers/input/keyboard/adp5589-keys.c
+++ b/drivers/input/keyboard/adp5589-keys.c
@ -1097,7 +1097,6 @@ MODULE_DEVICE_TABLE(i2c, adp5589_id);
 static struct i2c_driver adp5589_driver = {
 	.driver = {
 		.name = KBUILD_MODNAME,
-		.owner = THIS_MODULE,
 		.pm = &adp5589_dev_pm_ops,
 	},
 	.probe = adp5589_probe,
--- a/drivers/input/keyboard/cap11xx.c
+++ b/drivers/input/keyboard/cap11xx.c
@ -12,6 +12,7 @@
 #include <linux/module.h>
 #include <linux/interrupt.h>
 #include <linux/input.h>
+#include <linux/leds.h>
 #include <linux/of_irq.h>
 #include <linux/regmap.h>
 #include <linux/i2c.h>
@ -47,6 +48,20 @@
 #define CAP11XX_REG_CONFIG2		0x44
 #define CAP11XX_REG_CONFIG2_ALT_POL	BIT(6)
 #define CAP11XX_REG_SENSOR_BASE_CNT(X)	(0x50 + (X))
+#define CAP11XX_REG_LED_POLARITY	0x73
+#define CAP11XX_REG_LED_OUTPUT_CONTROL	0x74
+
+#define CAP11XX_REG_LED_DUTY_CYCLE_1	0x90
+#define CAP11XX_REG_LED_DUTY_CYCLE_2	0x91
+#define CAP11XX_REG_LED_DUTY_CYCLE_3	0x92
+#define CAP11XX_REG_LED_DUTY_CYCLE_4	0x93
+
+#define CAP11XX_REG_LED_DUTY_MIN_MASK	(0x0f)
+#define CAP11XX_REG_LED_DUTY_MIN_MASK_SHIFT	(0)
+#define CAP11XX_REG_LED_DUTY_MAX_MASK	(0xf0)
+#define CAP11XX_REG_LED_DUTY_MAX_MASK_SHIFT	(4)
+#define CAP11XX_REG_LED_DUTY_MAX_VALUE	(15)
+
 #define CAP11XX_REG_SENSOR_CALIB	(0xb1 + (X))
 #define CAP11XX_REG_SENSOR_CALIB_LSB1	0xb9
 #define CAP11XX_REG_SENSOR_CALIB_LSB2	0xba
@ -56,10 +71,23 @@

 #define CAP11XX_MANUFACTURER_ID	0x5d

+#ifdef CONFIG_LEDS_CLASS
+struct cap11xx_led {
+	struct cap11xx_priv *priv;
+	struct led_classdev cdev;
+	struct work_struct work;
+	u32 reg;
+	enum led_brightness new_brightness;
+};
+#endif
+
 struct cap11xx_priv {
 	struct regmap *regmap;
 	struct input_dev *idev;

+	struct cap11xx_led *leds;
+	int num_leds;
+
 	/* config */
 	u32 keycodes[];
 };
@ -67,6 +95,7 @@ struct cap11xx_priv {
 struct cap11xx_hw_model {
 	u8 product_id;
 	unsigned int num_channels;
+	unsigned int num_leds;
 };

 enum {
@ -76,9 +105,9 @@ enum {
 };

 static const struct cap11xx_hw_model cap11xx_devices[] = {
-	[CAP1106] = { .product_id = 0x55, .num_channels = 6 },
-	[CAP1126] = { .product_id = 0x53, .num_channels = 6 },
-	[CAP1188] = { .product_id = 0x50, .num_channels = 8 },
+	[CAP1106] = { .product_id = 0x55, .num_channels = 6, .num_leds = 0 },
+	[CAP1126] = { .product_id = 0x53, .num_channels = 6, .num_leds = 2 },
+	[CAP1188] = { .product_id = 0x50, .num_channels = 8, .num_leds = 8 },
 };

 static const struct reg_default cap11xx_reg_defaults[] = {
@ -111,6 +140,7 @@ static const struct reg_default cap11xx_reg_defaults[] = {
 	{ CAP11XX_REG_STANDBY_SENSITIVITY,	0x02 },
 	{ CAP11XX_REG_STANDBY_THRESH,		0x40 },
 	{ CAP11XX_REG_CONFIG2,			0x40 },
+	{ CAP11XX_REG_LED_POLARITY,		0x00 },
 	{ CAP11XX_REG_SENSOR_CALIB_LSB1,	0x00 },
 	{ CAP11XX_REG_SENSOR_CALIB_LSB2,	0x00 },
 };
@ -177,6 +207,12 @@ out:

 static int cap11xx_set_sleep(struct cap11xx_priv *priv, bool sleep)
 {
+	/*
+	 * DLSEEP mode will turn off all LEDS, prevent this
+	 */
+	if (IS_ENABLED(CONFIG_LEDS_CLASS) && priv->num_leds)
+		return 0;
+
 	return regmap_update_bits(priv->regmap, CAP11XX_REG_MAIN_CONTROL,
 				  CAP11XX_REG_MAIN_CONTROL_DLSEEP,
 				  sleep ? CAP11XX_REG_MAIN_CONTROL_DLSEEP : 0);
@ -196,6 +232,104 @@ static void cap11xx_input_close(struct input_dev *idev)
 	cap11xx_set_sleep(priv, true);
 }

+#ifdef CONFIG_LEDS_CLASS
+static void cap11xx_led_work(struct work_struct *work)
+{
+	struct cap11xx_led *led = container_of(work, struct cap11xx_led, work);
+	struct cap11xx_priv *priv = led->priv;
+	int value = led->new_brightness;
+
+	/*
+	 * All LEDs share the same duty cycle as this is a HW limitation.
+	 * Brightness levels per LED are either 0 (OFF) and 1 (ON).
+	 */
+	regmap_update_bits(priv->regmap, CAP11XX_REG_LED_OUTPUT_CONTROL,
+				BIT(led->reg), value ? BIT(led->reg) : 0);
+}
+
+static void cap11xx_led_set(struct led_classdev *cdev,
+			   enum led_brightness value)
+{
+	struct cap11xx_led *led = container_of(cdev, struct cap11xx_led, cdev);
+
+	if (led->new_brightness == value)
+		return;
+
+	led->new_brightness = value;
+	schedule_work(&led->work);
+}
+
+static int cap11xx_init_leds(struct device *dev,
+			     struct cap11xx_priv *priv, int num_leds)
+{
+	struct device_node *node = dev->of_node, *child;
+	struct cap11xx_led *led;
+	int cnt = of_get_child_count(node);
+	int error;
+
+	if (!num_leds || !cnt)
+		return 0;
+
+	if (cnt > num_leds)
+		return -EINVAL;
+
+	led = devm_kcalloc(dev, cnt, sizeof(struct cap11xx_led), GFP_KERNEL);
+	if (!led)
+		return -ENOMEM;
+
+	priv->leds = led;
+
+	error = regmap_update_bits(priv->regmap,
+				CAP11XX_REG_LED_OUTPUT_CONTROL, 0xff, 0);
+	if (error)
+		return error;
+
+	error = regmap_update_bits(priv->regmap, CAP11XX_REG_LED_DUTY_CYCLE_4,
+				CAP11XX_REG_LED_DUTY_MAX_MASK,
+				CAP11XX_REG_LED_DUTY_MAX_VALUE <<
+				CAP11XX_REG_LED_DUTY_MAX_MASK_SHIFT);
+	if (error)
+		return error;
+
+	for_each_child_of_node(node, child) {
+		u32 reg;
+
+		led->cdev.name =
+			of_get_property(child, "label", NULL) ? : child->name;
+		led->cdev.default_trigger =
+			of_get_property(child, "linux,default-trigger", NULL);
+		led->cdev.flags = 0;
+		led->cdev.brightness_set = cap11xx_led_set;
+		led->cdev.max_brightness = 1;
+		led->cdev.brightness = LED_OFF;
+
+		error = of_property_read_u32(child, "reg", &reg);
+		if (error != 0 || reg >= num_leds)
+			return -EINVAL;
+
+		led->reg = reg;
+		led->priv = priv;
+
+		INIT_WORK(&led->work, cap11xx_led_work);
+
+		error = devm_led_classdev_register(dev, &led->cdev);
+		if (error)
+			return error;
+
+		priv->num_leds++;
+		led++;
+	}
+
+	return 0;
+}
+#else
+static int cap11xx_init_leds(struct device *dev,
+			     struct cap11xx_priv *priv, int num_leds)
+{
+	return 0;
+}
+#endif
+
 static int cap11xx_i2c_probe(struct i2c_client *i2c_client,
 			     const struct i2c_device_id *id)
 {
@ -316,6 +450,10 @@ static int cap11xx_i2c_probe(struct i2c_client *i2c_client,
 	priv->idev->open = cap11xx_input_open;
 	priv->idev->close = cap11xx_input_close;

+	error = cap11xx_init_leds(dev, priv, cap->num_leds);
+	if (error)
+		return error;
+
 	input_set_drvdata(priv->idev, priv);

 	/*
@ -361,7 +499,6 @@ MODULE_DEVICE_TABLE(i2c, cap11xx_i2c_ids);
 static struct i2c_driver cap11xx_i2c_driver = {
 	.driver = {
 		.name	= "cap11xx",
-		.owner	= THIS_MODULE,
 		.of_match_table = cap11xx_dt_ids,
 	},
 	.id_table	= cap11xx_i2c_ids,
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@ -239,6 +239,11 @@ static ssize_t gpio_keys_attr_store_helper(struct gpio_keys_drvdata *ddata,
 		}
 	}

+	if (i == ddata->pdata->nbuttons) {
+		error = -EINVAL;
+		goto out;
+	}
+
 	mutex_lock(&ddata->disable_lock);

 	for (i = 0; i < ddata->pdata->nbuttons; i++) {
@ -655,7 +660,9 @@ gpio_keys_get_devtree_pdata(struct device *dev)
 		if (of_property_read_u32(pp, "linux,input-type", &button->type))
 			button->type = EV_KEY;

-		button->wakeup = !!of_get_property(pp, "gpio-key,wakeup", NULL);
+		button->wakeup = of_property_read_bool(pp, "wakeup-source") ||
+				 /* legacy name */
+				 of_property_read_bool(pp, "gpio-key,wakeup");

 		button->can_disable = !!of_get_property(pp, "linux,can-disable", NULL);

--- a/drivers/input/keyboard/gpio_keys_polled.c
+++ b/drivers/input/keyboard/gpio_keys_polled.c
@ -152,7 +152,10 @@ static struct gpio_keys_platform_data *gpio_keys_polled_get_devtree_pdata(struct
 					     &button->type))
 			button->type = EV_KEY;

-		button->wakeup = fwnode_property_present(child, "gpio-key,wakeup");
+		button->wakeup =
+			fwnode_property_read_bool(child, "wakeup-source") ||
+			/* legacy name */
+			fwnode_property_read_bool(child, "gpio-key,wakeup");

 		if (fwnode_property_read_u32(child, "debounce-interval",
 					     &button->debounce_interval))
--- a/drivers/input/keyboard/lm8333.c
+++ b/drivers/input/keyboard/lm8333.c
@ -223,7 +223,6 @@ MODULE_DEVICE_TABLE(i2c, lm8333_id);
 static struct i2c_driver lm8333_driver = {
 	.driver = {
 		.name		= "lm8333",
-		.owner		= THIS_MODULE,
 	},
 	.probe		= lm8333_probe,
 	.remove		= lm8333_remove,
--- a/drivers/input/keyboard/matrix_keypad.c
+++ b/drivers/input/keyboard/matrix_keypad.c
@ -425,8 +425,10 @@ matrix_keypad_parse_dt(struct device *dev)

 	if (of_get_property(np, "linux,no-autorepeat", NULL))
 		pdata->no_autorepeat = true;
-	if (of_get_property(np, "linux,wakeup", NULL))
-		pdata->wakeup = true;
+
+	pdata->wakeup = of_property_read_bool(np, "wakeup-source") ||
+			of_property_read_bool(np, "linux,wakeup"); /* legacy */
+
 	if (of_get_property(np, "gpio-activelow", NULL))
 		pdata->active_low = true;

--- a/drivers/input/keyboard/mcs_touchkey.c
+++ b/drivers/input/keyboard/mcs_touchkey.c
@ -265,7 +265,6 @@ MODULE_DEVICE_TABLE(i2c, mcs_touchkey_id);
 static struct i2c_driver mcs_touchkey_driver = {
 	.driver = {
 		.name	= "mcs_touchkey",
-		.owner	= THIS_MODULE,
 		.pm	= &mcs_touchkey_pm_ops,
 	},
 	.probe		= mcs_touchkey_probe,
--- a/drivers/input/keyboard/mpr121_touchkey.c
+++ b/drivers/input/keyboard/mpr121_touchkey.c
@ -305,7 +305,6 @@ MODULE_DEVICE_TABLE(i2c, mpr121_id);
 static struct i2c_driver mpr_touchkey_driver = {
 	.driver = {
 		.name	= "mpr121",
-		.owner	= THIS_MODULE,
 		.pm	= &mpr121_touchkey_pm_ops,
 	},
 	.id_table	= mpr121_id,
--- a/drivers/input/keyboard/pmic8xxx-keypad.c
+++ b/drivers/input/keyboard/pmic8xxx-keypad.c
@ -507,6 +507,7 @@ static void pmic8xxx_kp_close(struct input_dev *dev)
 */
 static int pmic8xxx_kp_probe(struct platform_device *pdev)
 {
+	struct device_node *np = pdev->dev.of_node;
 	unsigned int rows, cols;
 	bool repeat;
 	bool wakeup;
@ -524,10 +525,11 @@ static int pmic8xxx_kp_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}

-	repeat = !of_property_read_bool(pdev->dev.of_node,
-					"linux,input-no-autorepeat");
-	wakeup = of_property_read_bool(pdev->dev.of_node,
-					"linux,keypad-wakeup");
+	repeat = !of_property_read_bool(np, "linux,input-no-autorepeat");
+
+	wakeup = of_property_read_bool(np, "wakeup-source") ||
+		 /* legacy name */
+		 of_property_read_bool(np, "linux,keypad-wakeup");

 	kp = devm_kzalloc(&pdev->dev, sizeof(*kp), GFP_KERNEL);
 	if (!kp)
--- a/drivers/input/keyboard/qt1070.c
+++ b/drivers/input/keyboard/qt1070.c
@ -277,7 +277,6 @@ MODULE_DEVICE_TABLE(i2c, qt1070_id);
 static struct i2c_driver qt1070_driver = {
 	.driver	= {
 		.name	= "qt1070",
-		.owner	= THIS_MODULE,
 		.pm	= &qt1070_pm_ops,
 	},
 	.id_table	= qt1070_id,
--- a/drivers/input/keyboard/qt2160.c
+++ b/drivers/input/keyboard/qt2160.c
@ -497,7 +497,6 @@ MODULE_DEVICE_TABLE(i2c, qt2160_idtable);
 static struct i2c_driver qt2160_driver = {
 	.driver = {
 		.name	= "qt2160",
-		.owner  = THIS_MODULE,
 	},

 	.id_table	= qt2160_idtable,
--- a/drivers/input/keyboard/samsung-keypad.c
+++ b/drivers/input/keyboard/samsung-keypad.c
@ -299,8 +299,10 @@ samsung_keypad_parse_dt(struct device *dev)
 	if (of_get_property(np, "linux,input-no-autorepeat", NULL))
 		pdata->no_autorepeat = true;

-	if (of_get_property(np, "linux,input-wakeup", NULL))
-		pdata->wakeup = true;
+	pdata->wakeup = of_property_read_bool(np, "wakeup-source") ||
+			/* legacy name */
+			of_property_read_bool(np, "linux,input-wakeup");
+

 	return pdata;
 }
--- a/drivers/input/keyboard/tc3589x-keypad.c
+++ b/drivers/input/keyboard/tc3589x-keypad.c
@ -17,6 +17,7 @@
 #include <linux/i2c.h>
 #include <linux/slab.h>
 #include <linux/mfd/tc3589x.h>
+#include <linux/device.h>

 /* Maximum supported keypad matrix row/columns size */
 #define TC3589x_MAX_KPROW               8
@ -352,7 +353,10 @@ tc3589x_keypad_of_probe(struct device *dev)
 	}

 	plat->no_autorepeat = of_property_read_bool(np, "linux,no-autorepeat");
-	plat->enable_wakeup = of_property_read_bool(np, "linux,wakeup");
+
+	plat->enable_wakeup = of_property_read_bool(np, "wakeup-source") ||
+			      /* legacy name */
+			      of_property_read_bool(np, "linux,wakeup");

 	/* The custom delay format is ms/16 */
 	of_property_read_u32(np, "debounce-delay-ms", &debounce_ms);
@ -386,12 +390,15 @@ static int tc3589x_keypad_probe(struct platform_device *pdev)
 	if (irq < 0)
 		return irq;

-	keypad = kzalloc(sizeof(struct tc_keypad), GFP_KERNEL);
-	input = input_allocate_device();
-	if (!keypad || !input) {
-		dev_err(&pdev->dev, "failed to allocate keypad memory\n");
-		error = -ENOMEM;
-		goto err_free_mem;
+	keypad = devm_kzalloc(&pdev->dev, sizeof(struct tc_keypad),
+			      GFP_KERNEL);
+	if (!keypad)
+		return -ENOMEM;
+
+	input = devm_input_allocate_device(&pdev->dev);
+	if (!input) {
+		dev_err(&pdev->dev, "failed to allocate input device\n");
+		return -ENOMEM;
 	}

 	keypad->board = plat;
@ -410,7 +417,7 @@ static int tc3589x_keypad_probe(struct platform_device *pdev)
 					   NULL, input);
 	if (error) {
 		dev_err(&pdev->dev, "Failed to build keymap\n");
-		goto err_free_mem;
+		return error;
 	}

 	keypad->keymap = input->keycode;
@ -421,20 +428,23 @@ static int tc3589x_keypad_probe(struct platform_device *pdev)

 	input_set_drvdata(input, keypad);

-	error = request_threaded_irq(irq, NULL, tc3589x_keypad_irq,
-				     plat->irqtype | IRQF_ONESHOT,
-				     "tc3589x-keypad", keypad);
-	if (error < 0) {
+	tc3589x_keypad_disable(keypad);
+
+	error = devm_request_threaded_irq(&pdev->dev, irq,
+					  NULL, tc3589x_keypad_irq,
+					  plat->irqtype | IRQF_ONESHOT,
+					  "tc3589x-keypad", keypad);
+	if (error) {
 		dev_err(&pdev->dev,
 				"Could not allocate irq %d,error %d\n",
 				irq, error);
-		goto err_free_mem;
+		return error;
 	}

 	error = input_register_device(input);
 	if (error) {
 		dev_err(&pdev->dev, "Could not register input device\n");
-		goto err_free_irq;
+		return error;
 	}

 	/* let platform decide if keypad is a wakeup source or not */
@ -443,30 +453,6 @@ static int tc3589x_keypad_probe(struct platform_device *pdev)

 	platform_set_drvdata(pdev, keypad);

-	return 0;
-
-err_free_irq:
-	free_irq(irq, keypad);
-err_free_mem:
-	input_free_device(input);
-	kfree(keypad);
-	return error;
-}
-
-static int tc3589x_keypad_remove(struct platform_device *pdev)
-{
-	struct tc_keypad *keypad = platform_get_drvdata(pdev);
-	int irq = platform_get_irq(pdev, 0);
-
-	if (!keypad->keypad_stopped)
-		tc3589x_keypad_disable(keypad);
-
-	free_irq(irq, keypad);
-
-	input_unregister_device(keypad->input);
-
-	kfree(keypad);
-
 	return 0;
 }

@ -518,7 +504,6 @@ static struct platform_driver tc3589x_keypad_driver = {
 		.pm	= &tc3589x_keypad_dev_pm_ops,
 	},
 	.probe	= tc3589x_keypad_probe,
-	.remove	= tc3589x_keypad_remove,
 };
 module_platform_driver(tc3589x_keypad_driver);

--- a/drivers/input/keyboard/tca8418_keypad.c
+++ b/drivers/input/keyboard/tca8418_keypad.c
@ -404,7 +404,6 @@ MODULE_ALIAS("i2c:tca8418");
 static struct i2c_driver tca8418_keypad_driver = {
 	.driver = {
 		.name	= TCA8418_NAME,
-		.owner	= THIS_MODULE,
 		.of_match_table = of_match_ptr(tca8418_dt_ids),
 	},
 	.probe		= tca8418_keypad_probe,
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@ -247,7 +247,7 @@ config INPUT_APANEL
 config INPUT_GP2A
 	tristate "Sharp GP2AP002A00F I2C Proximity/Opto sensor driver"
 	depends on I2C
-	depends on GPIOLIB
+	depends on GPIOLIB || COMPILE_TEST
 	help
 	  Say Y here if you have a Sharp GP2AP002A00F proximity/als combo-chip
 	  hooked to an I2C bus.
@ -257,7 +257,7 @@ config INPUT_GP2A

 config INPUT_GPIO_BEEPER
 	tristate "Generic GPIO Beeper support"
-	depends on GPIOLIB
+	depends on GPIOLIB || COMPILE_TEST
 	help
 	  Say Y here if you have a beeper connected to a GPIO pin.

@ -266,7 +266,7 @@ config INPUT_GPIO_BEEPER

 config INPUT_GPIO_TILT_POLLED
 	tristate "Polled GPIO tilt switch"
-	depends on GPIOLIB
+	depends on GPIOLIB || COMPILE_TEST
 	select INPUT_POLLDEV
 	help
 	  This driver implements support for tilt switches connected
@ -557,7 +557,7 @@ config INPUT_PWM_BEEPER

 config INPUT_GPIO_ROTARY_ENCODER
 	tristate "Rotary encoders connected to GPIO pins"
-	depends on GPIOLIB
+	depends on GPIOLIB || COMPILE_TEST
 	help
 	  Say Y here to add support for rotary encoders connected to GPIO lines.
 	  Check file:Documentation/input/rotary-encoder.txt for more
@ -764,7 +764,8 @@ config INPUT_SOC_BUTTON_ARRAY

 config INPUT_DRV260X_HAPTICS
 	tristate "TI DRV260X haptics support"
-	depends on INPUT && I2C && GPIOLIB
+	depends on INPUT && I2C
+	depends on GPIOLIB || COMPILE_TEST
 	select INPUT_FF_MEMLESS
 	select REGMAP_I2C
 	help
--- a/drivers/input/misc/adxl34x-i2c.c
+++ b/drivers/input/misc/adxl34x-i2c.c
@ -158,7 +158,6 @@ MODULE_DEVICE_TABLE(of, adxl34x_of_id);
 static struct i2c_driver adxl34x_driver = {
 	.driver = {
 		.name = "adxl34x",
-		.owner = THIS_MODULE,
 		.pm = &adxl34x_i2c_pm,
 		.of_match_table = of_match_ptr(adxl34x_of_id),
 	},
--- a/drivers/input/misc/arizona-haptics.c
+++ b/drivers/input/misc/arizona-haptics.c
@ -170,8 +170,8 @@ static int arizona_haptics_probe(struct platform_device *pdev)

 	INIT_WORK(&haptics->work, arizona_haptics_work);

-	haptics->input_dev = input_allocate_device();
-	if (haptics->input_dev == NULL) {
+	haptics->input_dev = devm_input_allocate_device(&pdev->dev);
+	if (!haptics->input_dev) {
 		dev_err(arizona->dev, "Failed to allocate input device\n");
 		return -ENOMEM;
 	}
@ -188,41 +188,23 @@ static int arizona_haptics_probe(struct platform_device *pdev)
 	if (ret < 0) {
 		dev_err(arizona->dev, "input_ff_create_memless() failed: %d\n",
 			ret);
-		goto err_ialloc;
+		return ret;
 	}

 	ret = input_register_device(haptics->input_dev);
 	if (ret < 0) {
 		dev_err(arizona->dev, "couldn't register input device: %d\n",
 			ret);
-		goto err_iff;
+		return ret;
 	}

 	platform_set_drvdata(pdev, haptics);

-	return 0;
-
-err_iff:
-	if (haptics->input_dev)
-		input_ff_destroy(haptics->input_dev);
-err_ialloc:
-	input_free_device(haptics->input_dev);
-
-	return ret;
-}
-
-static int arizona_haptics_remove(struct platform_device *pdev)
-{
-	struct arizona_haptics *haptics = platform_get_drvdata(pdev);
-
-	input_unregister_device(haptics->input_dev);
-
 	return 0;
 }

 static struct platform_driver arizona_haptics_driver = {
 	.probe		= arizona_haptics_probe,
-	.remove		= arizona_haptics_remove,
 	.driver		= {
 		.name	= "arizona-haptics",
 	},
--- a/drivers/input/misc/bma150.c
+++ b/drivers/input/misc/bma150.c
@ -333,10 +333,9 @@ static void bma150_report_xyz(struct bma150_data *bma150)
 	y = ((0xc0 & data[2]) >> 6) | (data[3] << 2);
 	z = ((0xc0 & data[4]) >> 6) | (data[5] << 2);

-	/* sign extension */
-	x = (s16) (x << 6) >> 6;
-	y = (s16) (y << 6) >> 6;
-	z = (s16) (z << 6) >> 6;
+	x = sign_extend32(x, 9);
+	y = sign_extend32(y, 9);
+	z = sign_extend32(z, 9);

 	input_report_abs(bma150->input, ABS_X, x);
 	input_report_abs(bma150->input, ABS_Y, y);
@ -654,7 +653,6 @@ MODULE_DEVICE_TABLE(i2c, bma150_id);

 static struct i2c_driver bma150_driver = {
 	.driver = {
-		.owner	= THIS_MODULE,
 		.name	= BMA150_DRIVER,
 		.pm	= &bma150_pm,
 	},
--- a/drivers/input/misc/cma3000_d0x_i2c.c
+++ b/drivers/input/misc/cma3000_d0x_i2c.c
@ -118,7 +118,6 @@ static struct i2c_driver cma3000_i2c_driver = {
 	.id_table	= cma3000_i2c_id,
 	.driver = {
 		.name	= "cma3000_i2c_accl",
-		.owner	= THIS_MODULE,
 #ifdef CONFIG_PM
 		.pm	= &cma3000_i2c_pm_ops,
 #endif
--- a/drivers/input/misc/drv260x.c
+++ b/drivers/input/misc/drv260x.c
@ -204,7 +204,7 @@ struct drv260x_data {
 	int overdrive_voltage;
 };

-static struct reg_default drv260x_reg_defs[] = {
+static const struct reg_default drv260x_reg_defs[] = {
 	{ DRV260X_STATUS, 0xe0 },
 	{ DRV260X_MODE, 0x40 },
 	{ DRV260X_RT_PB_IN, 0x00 },
@ -720,7 +720,6 @@ static struct i2c_driver drv260x_driver = {
 	.probe		= drv260x_probe,
 	.driver		= {
 		.name	= "drv260x-haptics",
-		.owner	= THIS_MODULE,
 		.of_match_table = of_match_ptr(drv260x_of_match),
 		.pm	= &drv260x_pm_ops,
 	},
--- a/drivers/input/misc/drv2665.c
+++ b/drivers/input/misc/drv2665.c
@ -74,7 +74,7 @@ static const u8 drv2665_sine_wave_form[] = {
 	0x9b, 0x9f, 0xa5, 0xad, 0xb8, 0xc4, 0xd2, 0xe0, 0xf0, 0x00,
 };

-static struct reg_default drv2665_reg_defs[] = {
+static const struct reg_default drv2665_reg_defs[] = {
 	{ DRV2665_STATUS, 0x02 },
 	{ DRV2665_CTRL_1, 0x28 },
 	{ DRV2665_CTRL_2, 0x40 },
@ -309,7 +309,6 @@ static struct i2c_driver drv2665_driver = {
 	.probe		= drv2665_probe,
 	.driver		= {
 		.name	= "drv2665-haptics",
-		.owner	= THIS_MODULE,
 		.of_match_table = of_match_ptr(drv2665_of_match),
 		.pm	= &drv2665_pm_ops,
 	},
--- a/drivers/input/misc/drv2667.c
+++ b/drivers/input/misc/drv2667.c
@ -116,7 +116,7 @@ struct drv2667_data {
 	u32 frequency;
 };

-static struct reg_default drv2667_reg_defs[] = {
+static const struct reg_default drv2667_reg_defs[] = {
 	{ DRV2667_STATUS, 0x02 },
 	{ DRV2667_CTRL_1, 0x28 },
 	{ DRV2667_CTRL_2, 0x40 },
@ -484,7 +484,6 @@ static struct i2c_driver drv2667_driver = {
 	.probe		= drv2667_probe,
 	.driver		= {
 		.name	= "drv2667-haptics",
-		.owner	= THIS_MODULE,
 		.of_match_table = of_match_ptr(drv2667_of_match),
 		.pm	= &drv2667_pm_ops,
 	},
--- a/drivers/input/misc/gp2ap002a00f.c
+++ b/drivers/input/misc/gp2ap002a00f.c
@ -267,11 +267,11 @@ static const struct i2c_device_id gp2a_i2c_id[] = {
 	{ GP2A_I2C_NAME, 0 },
 	{ }
 };
+MODULE_DEVICE_TABLE(i2c, gp2a_i2c_id);

 static struct i2c_driver gp2a_i2c_driver = {
 	.driver = {
 		.name	= GP2A_I2C_NAME,
-		.owner	= THIS_MODULE,
 		.pm	= &gp2a_pm,
 	},
 	.probe		= gp2a_probe,
--- a/drivers/input/misc/kxtj9.c
+++ b/drivers/input/misc/kxtj9.c
@ -658,7 +658,6 @@ MODULE_DEVICE_TABLE(i2c, kxtj9_id);
 static struct i2c_driver kxtj9_driver = {
 	.driver = {
 		.name	= NAME,
-		.owner	= THIS_MODULE,
 		.pm	= &kxtj9_pm_ops,
 	},
 	.probe		= kxtj9_probe,
--- a/drivers/input/misc/max8997_haptic.c
+++ b/drivers/input/misc/max8997_haptic.c
@ -394,7 +394,7 @@ static const struct platform_device_id max8997_haptic_id[] = {
 	{ "max8997-haptic", 0 },
 	{ },
 };
-MODULE_DEVICE_TABLE(i2c, max8997_haptic_id);
+MODULE_DEVICE_TABLE(platform, max8997_haptic_id);

 static struct platform_driver max8997_haptic_driver = {
 	.driver	= {
@ -407,7 +407,6 @@ static struct platform_driver max8997_haptic_driver = {
 };
 module_platform_driver(max8997_haptic_driver);

-MODULE_ALIAS("platform:max8997-haptic");
 MODULE_AUTHOR("Donggeun Kim <dg77.kim@samsung.com>");
 MODULE_DESCRIPTION("max8997_haptic driver");
 MODULE_LICENSE("GPL");
--- a/drivers/input/misc/mpu3050.c
+++ b/drivers/input/misc/mpu3050.c
@ -466,7 +466,6 @@ MODULE_DEVICE_TABLE(of, mpu3050_of_match);
 static struct i2c_driver mpu3050_i2c_driver = {
 	.driver	= {
 		.name	= "mpu3050",
-		.owner	= THIS_MODULE,
 		.pm	= &mpu3050_pm,
 		.of_match_table = mpu3050_of_match,
 	},
--- a/drivers/input/misc/pcf8574_keypad.c
+++ b/drivers/input/misc/pcf8574_keypad.c
@ -208,7 +208,6 @@ MODULE_DEVICE_TABLE(i2c, pcf8574_kp_id);
 static struct i2c_driver pcf8574_kp_driver = {
 	.driver = {
 		.name  = DRV_NAME,
-		.owner = THIS_MODULE,
 #ifdef CONFIG_PM
 		.pm = &pcf8574_kp_pm_ops,
 #endif
--- a/drivers/input/misc/pmic8xxx-pwrkey.c
+++ b/drivers/input/misc/pmic8xxx-pwrkey.c
@ -20,17 +20,72 @@
 #include <linux/regmap.h>
 #include <linux/log2.h>
 #include <linux/of.h>
+#include <linux/of_device.h>

 #define PON_CNTL_1 0x1C
 #define PON_CNTL_PULL_UP BIT(7)
 #define PON_CNTL_TRIG_DELAY_MASK (0x7)
+#define PON_CNTL_1_PULL_UP_EN			0xe0
+#define PON_CNTL_1_USB_PWR_EN			0x10
+#define PON_CNTL_1_WD_EN_RESET			0x08
+
+#define PM8058_SLEEP_CTRL			0x02b
+#define PM8921_SLEEP_CTRL			0x10a
+
+#define SLEEP_CTRL_SMPL_EN_RESET		0x04
+
+/* Regulator master enable addresses */
+#define REG_PM8058_VREG_EN_MSM			0x018
+#define REG_PM8058_VREG_EN_GRP_5_4		0x1c8
+
+/* Regulator control registers for shutdown/reset */
+#define PM8058_S0_CTRL				0x004
+#define PM8058_S1_CTRL				0x005
+#define PM8058_S3_CTRL				0x111
+#define PM8058_L21_CTRL				0x120
+#define PM8058_L22_CTRL				0x121
+
+#define PM8058_REGULATOR_ENABLE_MASK		0x80
+#define PM8058_REGULATOR_ENABLE			0x80
+#define PM8058_REGULATOR_DISABLE		0x00
+#define PM8058_REGULATOR_PULL_DOWN_MASK		0x40
+#define PM8058_REGULATOR_PULL_DOWN_EN		0x40
+
+/* Buck CTRL register */
+#define PM8058_SMPS_LEGACY_VREF_SEL		0x20
+#define PM8058_SMPS_LEGACY_VPROG_MASK		0x1f
+#define PM8058_SMPS_ADVANCED_BAND_MASK		0xC0
+#define PM8058_SMPS_ADVANCED_BAND_SHIFT		6
+#define PM8058_SMPS_ADVANCED_VPROG_MASK		0x3f
+
+/* Buck TEST2 registers for shutdown/reset */
+#define PM8058_S0_TEST2				0x084
+#define PM8058_S1_TEST2				0x085
+#define PM8058_S3_TEST2				0x11a
+
+#define PM8058_REGULATOR_BANK_WRITE		0x80
+#define PM8058_REGULATOR_BANK_MASK		0x70
+#define PM8058_REGULATOR_BANK_SHIFT		4
+#define PM8058_REGULATOR_BANK_SEL(n)	((n) << PM8058_REGULATOR_BANK_SHIFT)
+
+/* Buck TEST2 register bank 1 */
+#define PM8058_SMPS_LEGACY_VLOW_SEL		0x01
+
+/* Buck TEST2 register bank 7 */
+#define PM8058_SMPS_ADVANCED_MODE_MASK		0x02
+#define PM8058_SMPS_ADVANCED_MODE		0x02
+#define PM8058_SMPS_LEGACY_MODE			0x00

 /**
 * struct pmic8xxx_pwrkey - pmic8xxx pwrkey information
 * @key_press_irq: key press irq number
+ * @regmap: device regmap
+ * @shutdown_fn: shutdown configuration function
 */
 struct pmic8xxx_pwrkey {
 	int key_press_irq;
+	struct regmap *regmap;
+	int (*shutdown_fn)(struct pmic8xxx_pwrkey *, bool);
 };

 static irqreturn_t pwrkey_press_irq(int irq, void *_pwr)
@ -76,6 +131,212 @@ static int __maybe_unused pmic8xxx_pwrkey_resume(struct device *dev)
 static SIMPLE_DEV_PM_OPS(pm8xxx_pwr_key_pm_ops,
 		pmic8xxx_pwrkey_suspend, pmic8xxx_pwrkey_resume);

+static void pmic8xxx_pwrkey_shutdown(struct platform_device *pdev)
+{
+	struct pmic8xxx_pwrkey *pwrkey = platform_get_drvdata(pdev);
+	int error;
+	u8 mask, val;
+	bool reset = system_state == SYSTEM_RESTART;
+
+	if (pwrkey->shutdown_fn) {
+		error = pwrkey->shutdown_fn(pwrkey, reset);
+		if (error)
+			return;
+	}
+
+	/*
+	 * Select action to perform (reset or shutdown) when PS_HOLD goes low.
+	 * Also ensure that KPD, CBL0, and CBL1 pull ups are enabled and that
+	 * USB charging is enabled.
+	 */
+	mask = PON_CNTL_1_PULL_UP_EN | PON_CNTL_1_USB_PWR_EN;
+	mask |= PON_CNTL_1_WD_EN_RESET;
+	val = mask;
+	if (!reset)
+		val &= ~PON_CNTL_1_WD_EN_RESET;
+
+	regmap_update_bits(pwrkey->regmap, PON_CNTL_1, mask, val);
+}
+
+/*
+ * Set an SMPS regulator to be disabled in its CTRL register, but enabled
+ * in the master enable register.  Also set it's pull down enable bit.
+ * Take care to make sure that the output voltage doesn't change if switching
+ * from advanced mode to legacy mode.
+ */
+static int pm8058_disable_smps_locally_set_pull_down(struct regmap *regmap,
+	u16 ctrl_addr, u16 test2_addr, u16 master_enable_addr,
+	u8 master_enable_bit)
+{
+	int error;
+	u8 vref_sel, vlow_sel, band, vprog, bank;
+	unsigned int reg;
+
+	bank = PM8058_REGULATOR_BANK_SEL(7);
+	error = regmap_write(regmap, test2_addr, bank);
+	if (error)
+		return error;
+
+	error = regmap_read(regmap, test2_addr, &reg);
+	if (error)
+		return error;
+
+	reg &= PM8058_SMPS_ADVANCED_MODE_MASK;
+	/* Check if in advanced mode. */
+	if (reg == PM8058_SMPS_ADVANCED_MODE) {
+		/* Determine current output voltage. */
+		error = regmap_read(regmap, ctrl_addr, &reg);
+		if (error)
+			return error;
+
+		band = reg & PM8058_SMPS_ADVANCED_BAND_MASK;
+		band >>= PM8058_SMPS_ADVANCED_BAND_SHIFT;
+		switch (band) {
+		case 3:
+			vref_sel = 0;
+			vlow_sel = 0;
+			break;
+		case 2:
+			vref_sel = PM8058_SMPS_LEGACY_VREF_SEL;
+			vlow_sel = 0;
+			break;
+		case 1:
+			vref_sel = PM8058_SMPS_LEGACY_VREF_SEL;
+			vlow_sel = PM8058_SMPS_LEGACY_VLOW_SEL;
+			break;
+		default:
+			pr_err("%s: regulator already disabled\n", __func__);
+			return -EPERM;
+		}
+		vprog = reg & PM8058_SMPS_ADVANCED_VPROG_MASK;
+		/* Round up if fine step is in use. */
+		vprog = (vprog + 1) >> 1;
+		if (vprog > PM8058_SMPS_LEGACY_VPROG_MASK)
+			vprog = PM8058_SMPS_LEGACY_VPROG_MASK;
+
+		/* Set VLOW_SEL bit. */
+		bank = PM8058_REGULATOR_BANK_SEL(1);
+		error = regmap_write(regmap, test2_addr, bank);
+		if (error)
+			return error;
+
+		error = regmap_update_bits(regmap, test2_addr,
+			PM8058_REGULATOR_BANK_WRITE | PM8058_REGULATOR_BANK_MASK
+				| PM8058_SMPS_LEGACY_VLOW_SEL,
+			PM8058_REGULATOR_BANK_WRITE |
+			PM8058_REGULATOR_BANK_SEL(1) | vlow_sel);
+		if (error)
+			return error;
+
+		/* Switch to legacy mode */
+		bank = PM8058_REGULATOR_BANK_SEL(7);
+		error = regmap_write(regmap, test2_addr, bank);
+		if (error)
+			return error;
+
+		error = regmap_update_bits(regmap, test2_addr,
+				PM8058_REGULATOR_BANK_WRITE |
+				PM8058_REGULATOR_BANK_MASK |
+				PM8058_SMPS_ADVANCED_MODE_MASK,
+				PM8058_REGULATOR_BANK_WRITE |
+				PM8058_REGULATOR_BANK_SEL(7) |
+				PM8058_SMPS_LEGACY_MODE);
+		if (error)
+			return error;
+
+		/* Enable locally, enable pull down, keep voltage the same. */
+		error = regmap_update_bits(regmap, ctrl_addr,
+			PM8058_REGULATOR_ENABLE_MASK |
+			PM8058_REGULATOR_PULL_DOWN_MASK |
+			PM8058_SMPS_LEGACY_VREF_SEL |
+			PM8058_SMPS_LEGACY_VPROG_MASK,
+			PM8058_REGULATOR_ENABLE | PM8058_REGULATOR_PULL_DOWN_EN
+				| vref_sel | vprog);
+		if (error)
+			return error;
+	}
+
+	/* Enable in master control register. */
+	error = regmap_update_bits(regmap, master_enable_addr,
+			master_enable_bit, master_enable_bit);
+	if (error)
+		return error;
+
+	/* Disable locally and enable pull down. */
+	return regmap_update_bits(regmap, ctrl_addr,
+		PM8058_REGULATOR_ENABLE_MASK | PM8058_REGULATOR_PULL_DOWN_MASK,
+		PM8058_REGULATOR_DISABLE | PM8058_REGULATOR_PULL_DOWN_EN);
+}
+
+static int pm8058_disable_ldo_locally_set_pull_down(struct regmap *regmap,
+		u16 ctrl_addr, u16 master_enable_addr, u8 master_enable_bit)
+{
+	int error;
+
+	/* Enable LDO in master control register. */
+	error = regmap_update_bits(regmap, master_enable_addr,
+			master_enable_bit, master_enable_bit);
+	if (error)
+		return error;
+
+	/* Disable LDO in CTRL register and set pull down */
+	return regmap_update_bits(regmap, ctrl_addr,
+		PM8058_REGULATOR_ENABLE_MASK | PM8058_REGULATOR_PULL_DOWN_MASK,
+		PM8058_REGULATOR_DISABLE | PM8058_REGULATOR_PULL_DOWN_EN);
+}
+
+static int pm8058_pwrkey_shutdown(struct pmic8xxx_pwrkey *pwrkey, bool reset)
+{
+	int error;
+	struct regmap *regmap = pwrkey->regmap;
+	u8 mask, val;
+
+	/* When shutting down, enable active pulldowns on important rails. */
+	if (!reset) {
+		/* Disable SMPS's 0,1,3 locally and set pulldown enable bits. */
+		pm8058_disable_smps_locally_set_pull_down(regmap,
+			PM8058_S0_CTRL, PM8058_S0_TEST2,
+			REG_PM8058_VREG_EN_MSM, BIT(7));
+		pm8058_disable_smps_locally_set_pull_down(regmap,
+			PM8058_S1_CTRL, PM8058_S1_TEST2,
+			REG_PM8058_VREG_EN_MSM, BIT(6));
+		pm8058_disable_smps_locally_set_pull_down(regmap,
+			PM8058_S3_CTRL, PM8058_S3_TEST2,
+			REG_PM8058_VREG_EN_GRP_5_4, BIT(7) | BIT(4));
+		/* Disable LDO 21 locally and set pulldown enable bit. */
+		pm8058_disable_ldo_locally_set_pull_down(regmap,
+			PM8058_L21_CTRL, REG_PM8058_VREG_EN_GRP_5_4,
+			BIT(1));
+	}
+
+	/*
+	 * Fix-up: Set regulator LDO22 to 1.225 V in high power mode. Leave its
+	 * pull-down state intact. This ensures a safe shutdown.
+	 */
+	error = regmap_update_bits(regmap, PM8058_L22_CTRL, 0xbf, 0x93);
+	if (error)
+		return error;
+
+	/* Enable SMPL if resetting is desired */
+	mask = SLEEP_CTRL_SMPL_EN_RESET;
+	val = 0;
+	if (reset)
+		val = mask;
+	return regmap_update_bits(regmap, PM8058_SLEEP_CTRL, mask, val);
+}
+
+static int pm8921_pwrkey_shutdown(struct pmic8xxx_pwrkey *pwrkey, bool reset)
+{
+	struct regmap *regmap = pwrkey->regmap;
+	u8 mask = SLEEP_CTRL_SMPL_EN_RESET;
+	u8 val = 0;
+
+	/* Enable SMPL if resetting is desired */
+	if (reset)
+		val = mask;
+	return regmap_update_bits(regmap, PM8921_SLEEP_CTRL, mask, val);
+}
+
 static int pmic8xxx_pwrkey_probe(struct platform_device *pdev)
 {
 	struct input_dev *pwr;
@ -109,6 +370,8 @@ static int pmic8xxx_pwrkey_probe(struct platform_device *pdev)
 	if (!pwrkey)
 		return -ENOMEM;

+	pwrkey->shutdown_fn = of_device_get_match_data(&pdev->dev);
+	pwrkey->regmap = regmap;
 	pwrkey->key_press_irq = key_press_irq;

 	pwr = devm_input_allocate_device(&pdev->dev);
@ -182,8 +445,8 @@ static int pmic8xxx_pwrkey_remove(struct platform_device *pdev)
 }

 static const struct of_device_id pm8xxx_pwr_key_id_table[] = {
-	{ .compatible = "qcom,pm8058-pwrkey" },
-	{ .compatible = "qcom,pm8921-pwrkey" },
+	{ .compatible = "qcom,pm8058-pwrkey", .data = &pm8058_pwrkey_shutdown },
+	{ .compatible = "qcom,pm8921-pwrkey", .data = &pm8921_pwrkey_shutdown },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, pm8xxx_pwr_key_id_table);
@ -191,6 +454,7 @@ MODULE_DEVICE_TABLE(of, pm8xxx_pwr_key_id_table);
 static struct platform_driver pmic8xxx_pwrkey_driver = {
 	.probe		= pmic8xxx_pwrkey_probe,
 	.remove		= pmic8xxx_pwrkey_remove,
+	.shutdown	= pmic8xxx_pwrkey_shutdown,
 	.driver		= {
 		.name	= "pm8xxx-pwrkey",
 		.pm	= &pm8xxx_pwr_key_pm_ops,
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@ -320,10 +320,8 @@ static int uinput_validate_absbits(struct input_dev *dev)
 	 * Check if absmin/absmax/absfuzz/absflat are sane.
 	 */

-	for (cnt = 0; cnt < ABS_CNT; cnt++) {
+	for_each_set_bit(cnt, dev->absbit, ABS_CNT) {
 		int min, max;
-		if (!test_bit(cnt, dev->absbit))
-			continue;

 		min = input_abs_get_min(dev, cnt);
 		max = input_abs_get_max(dev, cnt);
@ -416,7 +414,7 @@ static int uinput_setup_device(struct uinput_device *udev,
 	dev->id.product	= user_dev->id.product;
 	dev->id.version	= user_dev->id.version;

-	for (i = 0; i < ABS_CNT; i++) {
+	for_each_set_bit(i, dev->absbit, ABS_CNT) {
 		input_abs_set_max(dev, i, user_dev->absmax[i]);
 		input_abs_set_min(dev, i, user_dev->absmin[i]);
 		input_abs_set_fuzz(dev, i, user_dev->absfuzz[i]);
--- a/drivers/input/mouse/Kconfig
+++ b/drivers/input/mouse/Kconfig
@ -341,7 +341,7 @@ config MOUSE_VSXXXAA

 config MOUSE_GPIO
 	tristate "GPIO mouse"
-	depends on GPIOLIB
+	depends on GPIOLIB || COMPILE_TEST
 	select INPUT_POLLDEV
 	help
 	  This driver simulates a mouse on GPIO lines of various CPUs (and some
--- a/drivers/input/mouse/Makefile
+++ b/drivers/input/mouse/Makefile
@ -24,7 +24,7 @@ obj-$(CONFIG_MOUSE_SYNAPTICS_I2C)	+= synaptics_i2c.o
 obj-$(CONFIG_MOUSE_SYNAPTICS_USB)	+= synaptics_usb.o
 obj-$(CONFIG_MOUSE_VSXXXAA)		+= vsxxxaa.o

-cyapatp-objs := cyapa.o cyapa_gen3.o cyapa_gen5.o
+cyapatp-objs := cyapa.o cyapa_gen3.o cyapa_gen5.o cyapa_gen6.o
 psmouse-objs := psmouse-base.o synaptics.o focaltech.o

 psmouse-$(CONFIG_MOUSE_PS2_ALPS)	+= alps.o
--- a/drivers/input/mouse/cyapa.c
+++ b/drivers/input/mouse/cyapa.c
@ -6,7 +6,7 @@
 *   Daniel Kurtz <djkurtz@chromium.org>
 *   Benson Leung <bleung@chromium.org>
 *
- * Copyright (C) 2011-2014 Cypress Semiconductor, Inc.
+ * Copyright (C) 2011-2015 Cypress Semiconductor, Inc.
 * Copyright (C) 2011-2012 Google, Inc.
 *
 * This file is subject to the terms and conditions of the GNU General Public
@ -21,10 +21,12 @@
 #include <linux/interrupt.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
+#include <linux/regulator/consumer.h>
 #include <linux/slab.h>
 #include <linux/uaccess.h>
 #include <linux/pm_runtime.h>
 #include <linux/acpi.h>
+#include <linux/of.h>
 #include "cyapa.h"


@ -39,11 +41,33 @@ const char product_id[] = "CYTRA";

 static int cyapa_reinitialize(struct cyapa *cyapa);

-static inline bool cyapa_is_bootloader_mode(struct cyapa *cyapa)
+bool cyapa_is_pip_bl_mode(struct cyapa *cyapa)
 {
+	if (cyapa->gen == CYAPA_GEN6 && cyapa->state == CYAPA_STATE_GEN6_BL)
+		return true;
+
 	if (cyapa->gen == CYAPA_GEN5 && cyapa->state == CYAPA_STATE_GEN5_BL)
 		return true;

+	return false;
+}
+
+bool cyapa_is_pip_app_mode(struct cyapa *cyapa)
+{
+	if (cyapa->gen == CYAPA_GEN6 && cyapa->state == CYAPA_STATE_GEN6_APP)
+		return true;
+
+	if (cyapa->gen == CYAPA_GEN5 && cyapa->state == CYAPA_STATE_GEN5_APP)
+		return true;
+
+	return false;
+}
+
+static bool cyapa_is_bootloader_mode(struct cyapa *cyapa)
+{
+	if (cyapa_is_pip_bl_mode(cyapa))
+		return true;
+
 	if (cyapa->gen == CYAPA_GEN3 &&
 		cyapa->state >= CYAPA_STATE_BL_BUSY &&
 		cyapa->state <= CYAPA_STATE_BL_ACTIVE)
@ -54,7 +78,7 @@ static inline bool cyapa_is_bootloader_mode(struct cyapa *cyapa)

 static inline bool cyapa_is_operational_mode(struct cyapa *cyapa)
 {
-	if (cyapa->gen == CYAPA_GEN5 && cyapa->state == CYAPA_STATE_GEN5_APP)
+	if (cyapa_is_pip_app_mode(cyapa))
 		return true;

 	if (cyapa->gen == CYAPA_GEN3 && cyapa->state == CYAPA_STATE_OP)
@ -188,6 +212,15 @@ static int cyapa_get_state(struct cyapa *cyapa)
 			if (!error)
 				goto out_detected;
 		}
+		if (cyapa->gen == CYAPA_GEN_UNKNOWN ||
+				cyapa->gen == CYAPA_GEN6 ||
+				cyapa->gen == CYAPA_GEN5) {
+			error = cyapa_pip_state_parse(cyapa,
+					status, BL_STATUS_SIZE);
+			if (!error)
+				goto out_detected;
+		}
+		/* For old Gen5 trackpads detecting. */
 		if ((cyapa->gen == CYAPA_GEN_UNKNOWN ||
 				cyapa->gen == CYAPA_GEN5) &&
 			!smbus && even_addr) {
@ -284,6 +317,9 @@ static int cyapa_check_is_operational(struct cyapa *cyapa)
 		return error;

 	switch (cyapa->gen) {
+	case CYAPA_GEN6:
+		cyapa->ops = &cyapa_gen6_ops;
+		break;
 	case CYAPA_GEN5:
 		cyapa->ops = &cyapa_gen5_ops;
 		break;
@ -306,7 +342,7 @@ static int cyapa_check_is_operational(struct cyapa *cyapa)

 /*
 * Returns 0 on device detected, negative errno on no device detected.
- * And when the device is detected and opertaional, it will be reset to
+ * And when the device is detected and operational, it will be reset to
 * full power active mode automatically.
 */
 static int cyapa_detect(struct cyapa *cyapa)
@ -333,6 +369,7 @@ static int cyapa_open(struct input_dev *input)
 {
 	struct cyapa *cyapa = input_get_drvdata(input);
 	struct i2c_client *client = cyapa->client;
+	struct device *dev = &client->dev;
 	int error;

 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);
@ -346,10 +383,9 @@ static int cyapa_open(struct input_dev *input)
 		 * when in operational mode.
 		 */
 		error = cyapa->ops->set_power_mode(cyapa,
-				PWR_MODE_FULL_ACTIVE, 0);
+				PWR_MODE_FULL_ACTIVE, 0, false);
 		if (error) {
-			dev_warn(&client->dev,
-				"set active power failed: %d\n", error);
+			dev_warn(dev, "set active power failed: %d\n", error);
 			goto out;
 		}
 	} else {
@ -361,10 +397,14 @@ static int cyapa_open(struct input_dev *input)
 	}

 	enable_irq(client->irq);
-	if (!pm_runtime_enabled(&client->dev)) {
-		pm_runtime_set_active(&client->dev);
-		pm_runtime_enable(&client->dev);
+	if (!pm_runtime_enabled(dev)) {
+		pm_runtime_set_active(dev);
+		pm_runtime_enable(dev);
 	}
+
+	pm_runtime_get_sync(dev);
+	pm_runtime_mark_last_busy(dev);
+	pm_runtime_put_sync_autosuspend(dev);
 out:
 	mutex_unlock(&cyapa->state_sync_lock);
 	return error;
@ -374,16 +414,17 @@ static void cyapa_close(struct input_dev *input)
 {
 	struct cyapa *cyapa = input_get_drvdata(input);
 	struct i2c_client *client = cyapa->client;
+	struct device *dev = &cyapa->client->dev;

 	mutex_lock(&cyapa->state_sync_lock);

 	disable_irq(client->irq);
-	if (pm_runtime_enabled(&client->dev))
-		pm_runtime_disable(&client->dev);
-	pm_runtime_set_suspended(&client->dev);
+	if (pm_runtime_enabled(dev))
+		pm_runtime_disable(dev);
+	pm_runtime_set_suspended(dev);

 	if (cyapa->operational)
-		cyapa->ops->set_power_mode(cyapa, PWR_MODE_OFF, 0);
+		cyapa->ops->set_power_mode(cyapa, PWR_MODE_OFF, 0, false);

 	mutex_unlock(&cyapa->state_sync_lock);
 }
@ -443,6 +484,7 @@ static int cyapa_create_input_dev(struct cyapa *cyapa)
 	if (cyapa->gen >= CYAPA_GEN5) {
 		input_set_abs_params(input, ABS_MT_WIDTH_MAJOR, 0, 255, 0, 0);
 		input_set_abs_params(input, ABS_MT_WIDTH_MINOR, 0, 255, 0, 0);
+		input_set_abs_params(input, ABS_DISTANCE, 0, 1, 0, 0);
 	}

 	input_abs_set_res(input, ABS_MT_POSITION_X,
@ -492,7 +534,7 @@ static void cyapa_enable_irq_for_cmd(struct cyapa *cyapa)
 		 */
 		if (!input || cyapa->operational)
 			cyapa->ops->set_power_mode(cyapa,
-				PWR_MODE_FULL_ACTIVE, 0);
+				PWR_MODE_FULL_ACTIVE, 0, false);
 		/* Gen3 always using polling mode for command. */
 		if (cyapa->gen >= CYAPA_GEN5)
 			enable_irq(cyapa->client->irq);
@ -507,7 +549,8 @@ static void cyapa_disable_irq_for_cmd(struct cyapa *cyapa)
 		if (cyapa->gen >= CYAPA_GEN5)
 			disable_irq(cyapa->client->irq);
 		if (!input || cyapa->operational)
-			cyapa->ops->set_power_mode(cyapa, PWR_MODE_OFF, 0);
+			cyapa->ops->set_power_mode(cyapa,
+						   PWR_MODE_OFF, 0, false);
 	}
 }

@ -563,6 +606,8 @@ static int cyapa_initialize(struct cyapa *cyapa)
 	error = cyapa_gen3_ops.initialize(cyapa);
 	if (!error)
 		error = cyapa_gen5_ops.initialize(cyapa);
+	if (!error)
+		error = cyapa_gen6_ops.initialize(cyapa);
 	if (error)
 		return error;

@ -572,7 +617,7 @@ static int cyapa_initialize(struct cyapa *cyapa)

 	/* Power down the device until we need it. */
 	if (cyapa->operational)
-		cyapa->ops->set_power_mode(cyapa, PWR_MODE_OFF, 0);
+		cyapa->ops->set_power_mode(cyapa, PWR_MODE_OFF, 0, false);

 	return 0;
 }
@ -588,7 +633,8 @@ static int cyapa_reinitialize(struct cyapa *cyapa)

 	/* Avoid command failures when TP was in OFF state. */
 	if (cyapa->operational)
-		cyapa->ops->set_power_mode(cyapa, PWR_MODE_FULL_ACTIVE, 0);
+		cyapa->ops->set_power_mode(cyapa,
+					   PWR_MODE_FULL_ACTIVE, 0, false);

 	error = cyapa_detect(cyapa);
 	if (error)
@ -607,7 +653,8 @@ out:
 	if (!input || !input->users) {
 		/* Reset to power OFF state to save power when no user open. */
 		if (cyapa->operational)
-			cyapa->ops->set_power_mode(cyapa, PWR_MODE_OFF, 0);
+			cyapa->ops->set_power_mode(cyapa,
+						   PWR_MODE_OFF, 0, false);
 	} else if (!error && cyapa->operational) {
 		/*
 		 * Make sure only enable runtime PM when device is
@ -615,6 +662,10 @@ out:
 		 */
 		pm_runtime_set_active(dev);
 		pm_runtime_enable(dev);
+
+		pm_runtime_get_sync(dev);
+		pm_runtime_mark_last_busy(dev);
+		pm_runtime_put_sync_autosuspend(dev);
 	}

 	return error;
@ -624,27 +675,44 @@ static irqreturn_t cyapa_irq(int irq, void *dev_id)
 {
 	struct cyapa *cyapa = dev_id;
 	struct device *dev = &cyapa->client->dev;
+	int error;

-	pm_runtime_get_sync(dev);
 	if (device_may_wakeup(dev))
 		pm_wakeup_event(dev, 0);

-	/* Interrupt event maybe cuased by host command to trackpad device. */
+	/* Interrupt event can be caused by host command to trackpad device. */
 	if (cyapa->ops->irq_cmd_handler(cyapa)) {
 		/*
 		 * Interrupt event maybe from trackpad device input reporting.
 		 */
 		if (!cyapa->input) {
 			/*
-			 * Still in probling or in firware image
-			 * udpating or reading.
+			 * Still in probing or in firmware image
+			 * updating or reading.
 			 */
 			cyapa->ops->sort_empty_output_data(cyapa,
 					NULL, NULL, NULL);
 			goto out;
 		}

-		if (!cyapa->operational || cyapa->ops->irq_handler(cyapa)) {
+		if (cyapa->operational) {
+			error = cyapa->ops->irq_handler(cyapa);
+
+			/*
+			 * Apply runtime power management to touch report event
+			 * except the events caused by the command responses.
+			 * Note:
+			 * It will introduce about 20~40 ms additional delay
+			 * time in receiving for first valid touch report data.
+			 * The time is used to execute device runtime resume
+			 * process.
+			 */
+			pm_runtime_get_sync(dev);
+			pm_runtime_mark_last_busy(dev);
+			pm_runtime_put_sync_autosuspend(dev);
+		}
+
+		if (!cyapa->operational || error) {
 			if (!mutex_trylock(&cyapa->state_sync_lock)) {
 				cyapa->ops->sort_empty_output_data(cyapa,
 					NULL, NULL, NULL);
@ -656,8 +724,6 @@ static irqreturn_t cyapa_irq(int irq, void *dev_id)
 	}

 out:
-	pm_runtime_mark_last_busy(dev);
-	pm_runtime_put_sync_autosuspend(dev);
 	return IRQ_HANDLED;
 }

@ -1051,12 +1117,12 @@ static ssize_t cyapa_update_fw_store(struct device *dev,
 		dev_dbg(dev, "firmware update successfully done.\n");

 	/*
-	 * Redetect trackpad device states because firmware update process
+	 * Re-detect trackpad device states because firmware update process
 	 * will reset trackpad device into bootloader mode.
 	 */
 	ret = cyapa_reinitialize(cyapa);
 	if (ret) {
-		dev_err(dev, "failed to redetect after updated: %d\n", ret);
+		dev_err(dev, "failed to re-detect after updated: %d\n", ret);
 		error = error ? error : ret;
 	}

@ -1120,9 +1186,11 @@ static char *cyapa_state_to_string(struct cyapa *cyapa)
 	case CYAPA_STATE_BL_ACTIVE:
 		return "bootloader active";
 	case CYAPA_STATE_GEN5_BL:
+	case CYAPA_STATE_GEN6_BL:
 		return "bootloader";
 	case CYAPA_STATE_OP:
 	case CYAPA_STATE_GEN5_APP:
+	case CYAPA_STATE_GEN6_APP:
 		return "operational";  /* Normal valid state. */
 	default:
 		return "invalid mode";
@ -1175,6 +1243,13 @@ static void cyapa_remove_sysfs_group(void *data)
 	sysfs_remove_group(&cyapa->client->dev.kobj, &cyapa_sysfs_group);
 }

+static void cyapa_disable_regulator(void *data)
+{
+	struct cyapa *cyapa = data;
+
+	regulator_disable(cyapa->vcc);
+}
+
 static int cyapa_probe(struct i2c_client *client,
 		       const struct i2c_device_id *dev_id)
 {
@ -1208,6 +1283,27 @@ static int cyapa_probe(struct i2c_client *client,
 	sprintf(cyapa->phys, "i2c-%d-%04x/input0", client->adapter->nr,
 		client->addr);

+	cyapa->vcc = devm_regulator_get(dev, "vcc");
+	if (IS_ERR(cyapa->vcc)) {
+		error = PTR_ERR(cyapa->vcc);
+		dev_err(dev, "failed to get vcc regulator: %d\n", error);
+		return error;
+	}
+
+	error = regulator_enable(cyapa->vcc);
+	if (error) {
+		dev_err(dev, "failed to enable regulator: %d\n", error);
+		return error;
+	}
+
+	error = devm_add_action(dev, cyapa_disable_regulator, cyapa);
+	if (error) {
+		cyapa_disable_regulator(cyapa);
+		dev_err(dev, "failed to add disable regulator action: %d\n",
+			error);
+		return error;
+	}
+
 	error = cyapa_initialize(cyapa);
 	if (error) {
 		dev_err(dev, "failed to detect and initialize tp device.\n");
@ -1296,12 +1392,19 @@ static int __maybe_unused cyapa_suspend(struct device *dev)
 		power_mode = device_may_wakeup(dev) ? cyapa->suspend_power_mode
 						    : PWR_MODE_OFF;
 		error = cyapa->ops->set_power_mode(cyapa, power_mode,
-				cyapa->suspend_sleep_time);
+				cyapa->suspend_sleep_time, true);
 		if (error)
 			dev_err(dev, "suspend set power mode failed: %d\n",
 					error);
 	}

+	/*
+	 * Disable proximity interrupt when system idle, want true touch to
+	 * wake the system.
+	 */
+	if (cyapa->dev_pwr_mode != PWR_MODE_OFF)
+		cyapa->ops->set_proximity(cyapa, false);
+
 	if (device_may_wakeup(dev))
 		cyapa->irq_wake = (enable_irq_wake(client->irq) == 0);

@ -1322,7 +1425,10 @@ static int __maybe_unused cyapa_resume(struct device *dev)
 		cyapa->irq_wake = false;
 	}

-	/* Update device states and runtime PM states. */
+	/*
+	 * Update device states and runtime PM states.
+	 * Re-Enable proximity interrupt after enter operational mode.
+	 */
 	error = cyapa_reinitialize(cyapa);
 	if (error)
 		dev_warn(dev, "failed to reinitialize TP device: %d\n", error);
@ -1340,7 +1446,8 @@ static int __maybe_unused cyapa_runtime_suspend(struct device *dev)

 	error = cyapa->ops->set_power_mode(cyapa,
 			cyapa->runtime_suspend_power_mode,
-			cyapa->runtime_suspend_sleep_time);
+			cyapa->runtime_suspend_sleep_time,
+			false);
 	if (error)
 		dev_warn(dev, "runtime suspend failed: %d\n", error);

@ -1352,7 +1459,8 @@ static int __maybe_unused cyapa_runtime_resume(struct device *dev)
 	struct cyapa *cyapa = dev_get_drvdata(dev);
 	int error;

-	error = cyapa->ops->set_power_mode(cyapa, PWR_MODE_FULL_ACTIVE, 0);
+	error = cyapa->ops->set_power_mode(cyapa,
+					   PWR_MODE_FULL_ACTIVE, 0, false);
 	if (error)
 		dev_warn(dev, "runtime resume failed: %d\n", error);

@ -1374,17 +1482,26 @@ MODULE_DEVICE_TABLE(i2c, cyapa_id_table);
 static const struct acpi_device_id cyapa_acpi_id[] = {
 	{ "CYAP0000", 0 },  /* Gen3 trackpad with 0x67 I2C address. */
 	{ "CYAP0001", 0 },  /* Gen5 trackpad with 0x24 I2C address. */
+	{ "CYAP0002", 0 },  /* Gen6 trackpad with 0x24 I2C address. */
 	{ }
 };
 MODULE_DEVICE_TABLE(acpi, cyapa_acpi_id);
 #endif

+#ifdef CONFIG_OF
+static const struct of_device_id cyapa_of_match[] = {
+	{ .compatible = "cypress,cyapa" },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, cyapa_of_match);
+#endif
+
 static struct i2c_driver cyapa_driver = {
 	.driver = {
 		.name = "cyapa",
-		.owner = THIS_MODULE,
 		.pm = &cyapa_pm_ops,
 		.acpi_match_table = ACPI_PTR(cyapa_acpi_id),
+		.of_match_table = of_match_ptr(cyapa_of_match),
 	},

 	.probe = cyapa_probe,
--- a/drivers/input/mouse/cyapa.h
+++ b/drivers/input/mouse/cyapa.h
@ -3,7 +3,7 @@
 *
 * Author: Dudley Du <dudl@cypress.com>
 *
- * Copyright (C) 2014 Cypress Semiconductor, Inc.
+ * Copyright (C) 2014-2015 Cypress Semiconductor, Inc.
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file COPYING in the main directory of this archive for
@ -19,13 +19,14 @@
 #define CYAPA_GEN_UNKNOWN   0x00   /* unknown protocol. */
 #define CYAPA_GEN3   0x03   /* support MT-protocol B with tracking ID. */
 #define CYAPA_GEN5   0x05   /* support TrueTouch GEN5 trackpad device. */
+#define CYAPA_GEN6   0x06   /* support TrueTouch GEN6 trackpad device. */

 #define CYAPA_NAME   "Cypress APA Trackpad (cyapa)"

 /*
 * Macros for SMBus communication
 */
-#define SMBUS_READ   0x01
+#define SMBUS_READ  0x01
 #define SMBUS_WRITE 0x00
 #define SMBUS_ENCODE_IDX(cmd, idx) ((cmd) | (((idx) & 0x03) << 1))
 #define SMBUS_ENCODE_RW(cmd, rw) ((cmd) | ((rw) & 0x01))
@ -159,12 +160,89 @@

 #define AUTOSUSPEND_DELAY   2000 /* unit : ms */

-#define UNINIT_SLEEP_TIME 0xFFFF
-#define UNINIT_PWR_MODE   0xFF
-
 #define BTN_ONLY_MODE_NAME   "buttononly"
 #define OFF_MODE_NAME        "off"

+/* Common macros for PIP interface. */
+#define PIP_HID_DESCRIPTOR_ADDR		0x0001
+#define PIP_REPORT_DESCRIPTOR_ADDR	0x0002
+#define PIP_INPUT_REPORT_ADDR		0x0003
+#define PIP_OUTPUT_REPORT_ADDR		0x0004
+#define PIP_CMD_DATA_ADDR		0x0006
+
+#define PIP_RETRIEVE_DATA_STRUCTURE	0x24
+#define PIP_CMD_CALIBRATE		0x28
+#define PIP_BL_CMD_VERIFY_APP_INTEGRITY	0x31
+#define PIP_BL_CMD_GET_BL_INFO		0x38
+#define PIP_BL_CMD_PROGRAM_VERIFY_ROW	0x39
+#define PIP_BL_CMD_LAUNCH_APP		0x3b
+#define PIP_BL_CMD_INITIATE_BL		0x48
+#define PIP_INVALID_CMD			0xff
+
+#define PIP_HID_DESCRIPTOR_SIZE		32
+#define PIP_HID_APP_REPORT_ID		0xf7
+#define PIP_HID_BL_REPORT_ID		0xff
+
+#define PIP_BL_CMD_REPORT_ID		0x40
+#define PIP_BL_RESP_REPORT_ID		0x30
+#define PIP_APP_CMD_REPORT_ID		0x2f
+#define PIP_APP_RESP_REPORT_ID		0x1f
+
+#define PIP_READ_SYS_INFO_CMD_LENGTH	7
+#define PIP_BL_READ_APP_INFO_CMD_LENGTH	13
+#define PIP_MIN_BL_CMD_LENGTH		13
+#define PIP_MIN_BL_RESP_LENGTH		11
+#define PIP_MIN_APP_CMD_LENGTH		7
+#define PIP_MIN_APP_RESP_LENGTH		5
+#define PIP_UNSUPPORTED_CMD_RESP_LENGTH	6
+#define PIP_READ_SYS_INFO_RESP_LENGTH	71
+#define PIP_BL_APP_INFO_RESP_LENGTH	30
+#define PIP_BL_GET_INFO_RESP_LENGTH	19
+
+#define PIP_BL_PLATFORM_VER_SHIFT	4
+#define PIP_BL_PLATFORM_VER_MASK	0x0f
+
+#define PIP_PRODUCT_FAMILY_MASK		0xf000
+#define PIP_PRODUCT_FAMILY_TRACKPAD	0x1000
+
+#define PIP_DEEP_SLEEP_STATE_ON		0x00
+#define PIP_DEEP_SLEEP_STATE_OFF	0x01
+#define PIP_DEEP_SLEEP_STATE_MASK	0x03
+#define PIP_APP_DEEP_SLEEP_REPORT_ID	0xf0
+#define PIP_DEEP_SLEEP_RESP_LENGTH	5
+#define PIP_DEEP_SLEEP_OPCODE		0x08
+#define PIP_DEEP_SLEEP_OPCODE_MASK	0x0f
+
+#define PIP_RESP_LENGTH_OFFSET		0
+#define	    PIP_RESP_LENGTH_SIZE	2
+#define PIP_RESP_REPORT_ID_OFFSET	2
+#define PIP_RESP_RSVD_OFFSET		3
+#define     PIP_RESP_RSVD_KEY		0x00
+#define PIP_RESP_BL_SOP_OFFSET		4
+#define     PIP_SOP_KEY			0x01  /* Start of Packet */
+#define     PIP_EOP_KEY			0x17  /* End of Packet */
+#define PIP_RESP_APP_CMD_OFFSET		4
+#define     GET_PIP_CMD_CODE(reg)	((reg) & 0x7f)
+#define PIP_RESP_STATUS_OFFSET		5
+
+#define VALID_CMD_RESP_HEADER(resp, cmd)				  \
+	(((resp)[PIP_RESP_REPORT_ID_OFFSET] == PIP_APP_RESP_REPORT_ID) && \
+	((resp)[PIP_RESP_RSVD_OFFSET] == PIP_RESP_RSVD_KEY) &&		  \
+	(GET_PIP_CMD_CODE((resp)[PIP_RESP_APP_CMD_OFFSET]) == (cmd)))
+
+#define PIP_CMD_COMPLETE_SUCCESS(resp_data) \
+	((resp_data)[PIP_RESP_STATUS_OFFSET] == 0x00)
+
+/* Variables to record latest gen5 trackpad power states. */
+#define UNINIT_SLEEP_TIME	0xffff
+#define UNINIT_PWR_MODE		0xff
+#define PIP_DEV_SET_PWR_STATE(cyapa, s)		((cyapa)->dev_pwr_mode = (s))
+#define PIP_DEV_GET_PWR_STATE(cyapa)		((cyapa)->dev_pwr_mode)
+#define PIP_DEV_SET_SLEEP_TIME(cyapa, t)	((cyapa)->dev_sleep_time = (t))
+#define PIP_DEV_GET_SLEEP_TIME(cyapa)		((cyapa)->dev_sleep_time)
+#define PIP_DEV_UNINIT_SLEEP_TIME(cyapa)	\
+		(((cyapa)->dev_sleep_time) == UNINIT_SLEEP_TIME)
+
 /* The touch.id is used as the MT slot id, thus max MT slot is 15 */
 #define CYAPA_MAX_MT_SLOTS  15

@ -195,10 +273,12 @@ struct cyapa_dev_ops {
 	int (*sort_empty_output_data)(struct cyapa *,
 			u8 *, int *, cb_sort);

-	int (*set_power_mode)(struct cyapa *, u8, u16);
+	int (*set_power_mode)(struct cyapa *, u8, u16, bool);
+
+	int (*set_proximity)(struct cyapa *, bool);
 };

-struct cyapa_gen5_cmd_states {
+struct cyapa_pip_cmd_states {
 	struct mutex cmd_lock;
 	struct completion cmd_ready;
 	atomic_t cmd_issued;
@ -214,7 +294,7 @@ struct cyapa_gen5_cmd_states {
 };

 union cyapa_cmd_states {
-	struct cyapa_gen5_cmd_states gen5;
+	struct cyapa_pip_cmd_states pip;
 };

 enum cyapa_state {
@ -225,6 +305,14 @@ enum cyapa_state {
 	CYAPA_STATE_OP,
 	CYAPA_STATE_GEN5_BL,
 	CYAPA_STATE_GEN5_APP,
+	CYAPA_STATE_GEN6_BL,
+	CYAPA_STATE_GEN6_APP,
+};
+
+struct gen6_interval_setting {
+	u16 active_interval;
+	u16 lp1_interval;
+	u16 lp2_interval;
 };

 /* The main device structure */
@ -233,6 +321,7 @@ struct cyapa {
 	u8 status[BL_STATUS_SIZE];
 	bool operational; /* true: ready for data reporting; false: not. */

+	struct regulator *vcc;
 	struct i2c_client *client;
 	struct input_dev *input;
 	char phys[32];	/* Device physical location */
@ -246,9 +335,11 @@ struct cyapa {
 	u16 runtime_suspend_sleep_time;
 	u8 dev_pwr_mode;
 	u16 dev_sleep_time;
+	struct gen6_interval_setting gen6_interval_setting;

 	/* Read from query data region. */
 	char product_id[16];
+	u8 platform_ver;  /* Platform version. */
 	u8 fw_maj_ver;  /* Firmware major version. */
 	u8 fw_min_ver;  /* Firmware minor version. */
 	u8 btn_capability;
@ -259,7 +350,7 @@ struct cyapa {
 	int physical_size_y;

 	/* Used in ttsp and truetouch based trackpad devices. */
-	u8 x_origin;  /* X Axis Origin: 0 = left side; 1 = rigth side. */
+	u8 x_origin;  /* X Axis Origin: 0 = left side; 1 = right side. */
 	u8 y_origin;  /* Y Axis Origin: 0 = top; 1 = bottom. */
 	int electrodes_x;  /* Number of electrodes on the X Axis*/
 	int electrodes_y;  /* Number of electrodes on the Y Axis*/
@ -282,9 +373,9 @@ struct cyapa {


 ssize_t cyapa_i2c_reg_read_block(struct cyapa *cyapa, u8 reg, size_t len,
-				u8 *values);
+				 u8 *values);
 ssize_t cyapa_smbus_read_block(struct cyapa *cyapa, u8 cmd, size_t len,
-				u8 *values);
+			       u8 *values);

 ssize_t cyapa_read_block(struct cyapa *cyapa, u8 cmd_idx, u8 *values);

@ -293,9 +384,51 @@ int cyapa_poll_state(struct cyapa *cyapa, unsigned int timeout);
 u8 cyapa_sleep_time_to_pwr_cmd(u16 sleep_time);
 u16 cyapa_pwr_cmd_to_sleep_time(u8 pwr_mode);

+ssize_t cyapa_i2c_pip_read(struct cyapa *cyapa, u8 *buf, size_t size);
+ssize_t cyapa_i2c_pip_write(struct cyapa *cyapa, u8 *buf, size_t size);
+int cyapa_empty_pip_output_data(struct cyapa *cyapa,
+				u8 *buf, int *len, cb_sort func);
+int cyapa_i2c_pip_cmd_irq_sync(struct cyapa *cyapa,
+			       u8 *cmd, int cmd_len,
+			       u8 *resp_data, int *resp_len,
+			       unsigned long timeout,
+			       cb_sort func,
+			       bool irq_mode);
+int cyapa_pip_state_parse(struct cyapa *cyapa, u8 *reg_data, int len);
+bool cyapa_pip_sort_system_info_data(struct cyapa *cyapa, u8 *buf, int len);
+bool cyapa_sort_tsg_pip_bl_resp_data(struct cyapa *cyapa, u8 *data, int len);
+int cyapa_pip_deep_sleep(struct cyapa *cyapa, u8 state);
+bool cyapa_sort_tsg_pip_app_resp_data(struct cyapa *cyapa, u8 *data, int len);
+int cyapa_pip_bl_exit(struct cyapa *cyapa);
+int cyapa_pip_bl_enter(struct cyapa *cyapa);

+
+bool cyapa_is_pip_bl_mode(struct cyapa *cyapa);
+bool cyapa_is_pip_app_mode(struct cyapa *cyapa);
+int cyapa_pip_cmd_state_initialize(struct cyapa *cyapa);
+
+int cyapa_pip_resume_scanning(struct cyapa *cyapa);
+int cyapa_pip_suspend_scanning(struct cyapa *cyapa);
+
+int cyapa_pip_check_fw(struct cyapa *cyapa, const struct firmware *fw);
+int cyapa_pip_bl_initiate(struct cyapa *cyapa, const struct firmware *fw);
+int cyapa_pip_do_fw_update(struct cyapa *cyapa, const struct firmware *fw);
+int cyapa_pip_bl_activate(struct cyapa *cyapa);
+int cyapa_pip_bl_deactivate(struct cyapa *cyapa);
+ssize_t cyapa_pip_do_calibrate(struct device *dev,
+			       struct device_attribute *attr,
+			       const char *buf, size_t count);
+int cyapa_pip_set_proximity(struct cyapa *cyapa, bool enable);
+
+bool cyapa_pip_irq_cmd_handler(struct cyapa *cyapa);
+int cyapa_pip_irq_handler(struct cyapa *cyapa);
+
+
+extern u8 pip_read_sys_info[];
+extern u8 pip_bl_read_app_info[];
 extern const char product_id[];
 extern const struct cyapa_dev_ops cyapa_gen3_ops;
 extern const struct cyapa_dev_ops cyapa_gen5_ops;
+extern const struct cyapa_dev_ops cyapa_gen6_ops;

 #endif
--- a/drivers/input/mouse/cyapa_gen3.c
+++ b/drivers/input/mouse/cyapa_gen3.c
@ -6,7 +6,7 @@
 *   Daniel Kurtz <djkurtz@chromium.org>
 *   Benson Leung <bleung@chromium.org>
 *
- * Copyright (C) 2011-2014 Cypress Semiconductor, Inc.
+ * Copyright (C) 2011-2015 Cypress Semiconductor, Inc.
 * Copyright (C) 2011-2012 Google, Inc.
 *
 * This file is subject to the terms and conditions of the GNU General Public
@ -950,7 +950,7 @@ static u16 cyapa_get_wait_time_for_pwr_cmd(u8 pwr_mode)
 * Device power mode can only be set when device is in operational mode.
 */
 static int cyapa_gen3_set_power_mode(struct cyapa *cyapa, u8 power_mode,
-				     u16 always_unused)
+		u16 always_unused, bool is_suspend_unused)
 {
 	int ret;
 	u8 power;
@ -999,6 +999,11 @@ static int cyapa_gen3_set_power_mode(struct cyapa *cyapa, u8 power_mode,
 	return ret;
 }

+static int cyapa_gen3_set_proximity(struct cyapa *cyapa, bool enable)
+{
+	return -EOPNOTSUPP;
+}
+
 static int cyapa_gen3_get_query_data(struct cyapa *cyapa)
 {
 	u8 query_data[QUERY_DATA_SIZE];
@ -1107,7 +1112,7 @@ static int cyapa_gen3_do_operational_check(struct cyapa *cyapa)
 		 * may cause problems, so we set the power mode first here.
 		 */
 		error = cyapa_gen3_set_power_mode(cyapa,
-				PWR_MODE_FULL_ACTIVE, 0);
+				PWR_MODE_FULL_ACTIVE, 0, false);
 		if (error)
 			dev_err(dev, "%s: set full power mode failed: %d\n",
 				__func__, error);
@ -1156,7 +1161,7 @@ static bool cyapa_gen3_irq_cmd_handler(struct cyapa *cyapa)
 	 * so, stop cyapa_gen3_irq_handler to continue process to
 	 * avoid unwanted to error detecting and processing.
 	 *
-	 * And also, avoid the periodicly accerted interrupts to be processed
+	 * And also, avoid the periodically asserted interrupts to be processed
 	 * as touch inputs when gen3 failed to launch into application mode,
 	 * which will cause gen3 stays in bootloader mode.
 	 */
@ -1243,4 +1248,6 @@ const struct cyapa_dev_ops cyapa_gen3_ops = {
 	.irq_cmd_handler = cyapa_gen3_irq_cmd_handler,
 	.sort_empty_output_data = cyapa_gen3_empty_output_data,
 	.set_power_mode = cyapa_gen3_set_power_mode,
+
+	.set_proximity = cyapa_gen3_set_proximity,
 };
--- a/drivers/input/mouse/cyapa_gen5.c
+++ b/drivers/input/mouse/cyapa_gen5.c
--- a/drivers/input/mouse/cyapa_gen6.c
+++ b/drivers/input/mouse/cyapa_gen6.c
@ -0,0 +1,749 @@
+/*
+ * Cypress APA trackpad with I2C interface
+ *
+ * Author: Dudley Du <dudl@cypress.com>
+ *
+ * Copyright (C) 2015 Cypress Semiconductor, Inc.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/input/mt.h>
+#include <linux/mutex.h>
+#include <linux/completion.h>
+#include <linux/slab.h>
+#include <asm/unaligned.h>
+#include <linux/crc-itu-t.h>
+#include "cyapa.h"
+
+
+#define GEN6_ENABLE_CMD_IRQ	0x41
+#define GEN6_DISABLE_CMD_IRQ	0x42
+#define GEN6_ENABLE_DEV_IRQ	0x43
+#define GEN6_DISABLE_DEV_IRQ	0x44
+
+#define GEN6_POWER_MODE_ACTIVE		0x01
+#define GEN6_POWER_MODE_LP_MODE1	0x02
+#define GEN6_POWER_MODE_LP_MODE2	0x03
+#define GEN6_POWER_MODE_BTN_ONLY	0x04
+
+#define GEN6_SET_POWER_MODE_INTERVAL	0x47
+#define GEN6_GET_POWER_MODE_INTERVAL	0x48
+
+#define GEN6_MAX_RX_NUM 14
+#define GEN6_RETRIEVE_DATA_ID_RX_ATTENURATOR_IDAC	0x00
+#define GEN6_RETRIEVE_DATA_ID_ATTENURATOR_TRIM		0x12
+
+
+struct pip_app_cmd_head {
+	__le16 addr;
+	__le16 length;
+	u8 report_id;
+	u8 resv;  /* Reserved, must be 0 */
+	u8 cmd_code;  /* bit7: resv, set to 0; bit6~0: command code.*/
+} __packed;
+
+struct pip_app_resp_head {
+	__le16 length;
+	u8 report_id;
+	u8 resv;  /* Reserved, must be 0 */
+	u8 cmd_code;  /* bit7: TGL; bit6~0: command code.*/
+	/*
+	 * The value of data_status can be the first byte of data or
+	 * the command status or the unsupported command code depending on the
+	 * requested command code.
+	*/
+	u8 data_status;
+} __packed;
+
+struct pip_fixed_info {
+	u8 silicon_id_high;
+	u8 silicon_id_low;
+	u8 family_id;
+};
+
+static u8 pip_get_bl_info[] = {
+	0x04, 0x00, 0x0B, 0x00, 0x40, 0x00, 0x01, 0x38,
+	0x00, 0x00, 0x70, 0x9E, 0x17
+};
+
+static bool cyapa_sort_pip_hid_descriptor_data(struct cyapa *cyapa,
+		u8 *buf, int len)
+{
+	if (len != PIP_HID_DESCRIPTOR_SIZE)
+		return false;
+
+	if (buf[PIP_RESP_REPORT_ID_OFFSET] == PIP_HID_APP_REPORT_ID ||
+		buf[PIP_RESP_REPORT_ID_OFFSET] == PIP_HID_BL_REPORT_ID)
+		return true;
+
+	return false;
+}
+
+static int cyapa_get_pip_fixed_info(struct cyapa *cyapa,
+		struct pip_fixed_info *pip_info, bool is_bootloader)
+{
+	u8 resp_data[PIP_READ_SYS_INFO_RESP_LENGTH];
+	int resp_len;
+	u16 product_family;
+	int error;
+
+	if (is_bootloader) {
+		/* Read Bootloader Information to determine Gen5 or Gen6. */
+		resp_len = sizeof(resp_data);
+		error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
+				pip_get_bl_info, sizeof(pip_get_bl_info),
+				resp_data, &resp_len,
+				2000, cyapa_sort_tsg_pip_bl_resp_data,
+				false);
+		if (error || resp_len < PIP_BL_GET_INFO_RESP_LENGTH)
+			return error ? error : -EIO;
+
+		pip_info->family_id = resp_data[8];
+		pip_info->silicon_id_low = resp_data[10];
+		pip_info->silicon_id_high = resp_data[11];
+
+		return 0;
+	}
+
+	/* Get App System Information to determine Gen5 or Gen6. */
+	resp_len = sizeof(resp_data);
+	error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
+			pip_read_sys_info, PIP_READ_SYS_INFO_CMD_LENGTH,
+			resp_data, &resp_len,
+			2000, cyapa_pip_sort_system_info_data, false);
+	if (error || resp_len < PIP_READ_SYS_INFO_RESP_LENGTH)
+		return error ? error : -EIO;
+
+	product_family = get_unaligned_le16(&resp_data[7]);
+	if ((product_family & PIP_PRODUCT_FAMILY_MASK) !=
+		PIP_PRODUCT_FAMILY_TRACKPAD)
+		return -EINVAL;
+
+	pip_info->family_id = resp_data[19];
+	pip_info->silicon_id_low = resp_data[21];
+	pip_info->silicon_id_high = resp_data[22];
+
+	return 0;
+
+}
+
+int cyapa_pip_state_parse(struct cyapa *cyapa, u8 *reg_data, int len)
+{
+	u8 cmd[] = { 0x01, 0x00};
+	struct pip_fixed_info pip_info;
+	u8 resp_data[PIP_HID_DESCRIPTOR_SIZE];
+	int resp_len;
+	bool is_bootloader;
+	int error;
+
+	cyapa->state = CYAPA_STATE_NO_DEVICE;
+
+	/* Try to wake from it deep sleep state if it is. */
+	cyapa_pip_deep_sleep(cyapa, PIP_DEEP_SLEEP_STATE_ON);
+
+	/* Empty the buffer queue to get fresh data with later commands. */
+	cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
+
+	/*
+	 * Read description info from trackpad device to determine running in
+	 * APP mode or Bootloader mode.
+	 */
+	resp_len = PIP_HID_DESCRIPTOR_SIZE;
+	error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
+			cmd, sizeof(cmd),
+			resp_data, &resp_len,
+			300,
+			cyapa_sort_pip_hid_descriptor_data,
+			false);
+	if (error)
+		return error;
+
+	if (resp_data[PIP_RESP_REPORT_ID_OFFSET] == PIP_HID_BL_REPORT_ID)
+		is_bootloader = true;
+	else if (resp_data[PIP_RESP_REPORT_ID_OFFSET] == PIP_HID_APP_REPORT_ID)
+		is_bootloader = false;
+	else
+		return -EAGAIN;
+
+	/* Get PIP fixed information to determine Gen5 or Gen6. */
+	memset(&pip_info, 0, sizeof(struct pip_fixed_info));
+	error = cyapa_get_pip_fixed_info(cyapa, &pip_info, is_bootloader);
+	if (error)
+		return error;
+
+	if (pip_info.family_id == 0x9B && pip_info.silicon_id_high == 0x0B) {
+		cyapa->gen = CYAPA_GEN6;
+		cyapa->state = is_bootloader ? CYAPA_STATE_GEN6_BL
+					     : CYAPA_STATE_GEN6_APP;
+	} else if (pip_info.family_id == 0x91 &&
+		   pip_info.silicon_id_high == 0x02) {
+		cyapa->gen = CYAPA_GEN5;
+		cyapa->state = is_bootloader ? CYAPA_STATE_GEN5_BL
+					     : CYAPA_STATE_GEN5_APP;
+	}
+
+	return 0;
+}
+
+static int cyapa_gen6_read_sys_info(struct cyapa *cyapa)
+{
+	u8 resp_data[PIP_READ_SYS_INFO_RESP_LENGTH];
+	int resp_len;
+	u16 product_family;
+	u8 rotat_align;
+	int error;
+
+	/* Get App System Information to determine Gen5 or Gen6. */
+	resp_len = sizeof(resp_data);
+	error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
+			pip_read_sys_info, PIP_READ_SYS_INFO_CMD_LENGTH,
+			resp_data, &resp_len,
+			2000, cyapa_pip_sort_system_info_data, false);
+	if (error || resp_len < sizeof(resp_data))
+		return error ? error : -EIO;
+
+	product_family = get_unaligned_le16(&resp_data[7]);
+	if ((product_family & PIP_PRODUCT_FAMILY_MASK) !=
+		PIP_PRODUCT_FAMILY_TRACKPAD)
+		return -EINVAL;
+
+	cyapa->platform_ver = (resp_data[67] >> PIP_BL_PLATFORM_VER_SHIFT) &
+			      PIP_BL_PLATFORM_VER_MASK;
+	cyapa->fw_maj_ver = resp_data[9];
+	cyapa->fw_min_ver = resp_data[10];
+
+	cyapa->electrodes_x = resp_data[33];
+	cyapa->electrodes_y = resp_data[34];
+
+	cyapa->physical_size_x =  get_unaligned_le16(&resp_data[35]) / 100;
+	cyapa->physical_size_y = get_unaligned_le16(&resp_data[37]) / 100;
+
+	cyapa->max_abs_x = get_unaligned_le16(&resp_data[39]);
+	cyapa->max_abs_y = get_unaligned_le16(&resp_data[41]);
+
+	cyapa->max_z = get_unaligned_le16(&resp_data[43]);
+
+	cyapa->x_origin = resp_data[45] & 0x01;
+	cyapa->y_origin = resp_data[46] & 0x01;
+
+	cyapa->btn_capability = (resp_data[70] << 3) & CAPABILITY_BTN_MASK;
+
+	memcpy(&cyapa->product_id[0], &resp_data[51], 5);
+	cyapa->product_id[5] = '-';
+	memcpy(&cyapa->product_id[6], &resp_data[56], 6);
+	cyapa->product_id[12] = '-';
+	memcpy(&cyapa->product_id[13], &resp_data[62], 2);
+	cyapa->product_id[15] = '\0';
+
+	rotat_align = resp_data[68];
+	if (rotat_align) {
+		cyapa->electrodes_rx = cyapa->electrodes_y;
+		cyapa->electrodes_rx = cyapa->electrodes_y;
+	} else {
+		cyapa->electrodes_rx = cyapa->electrodes_x;
+		cyapa->electrodes_rx = cyapa->electrodes_y;
+	}
+	cyapa->aligned_electrodes_rx = (cyapa->electrodes_rx + 3) & ~3u;
+
+	if (!cyapa->electrodes_x || !cyapa->electrodes_y ||
+		!cyapa->physical_size_x || !cyapa->physical_size_y ||
+		!cyapa->max_abs_x || !cyapa->max_abs_y || !cyapa->max_z)
+		return -EINVAL;
+
+	return 0;
+}
+
+static int cyapa_gen6_bl_read_app_info(struct cyapa *cyapa)
+{
+	u8 resp_data[PIP_BL_APP_INFO_RESP_LENGTH];
+	int resp_len;
+	int error;
+
+	resp_len = sizeof(resp_data);
+	error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
+			pip_bl_read_app_info, PIP_BL_READ_APP_INFO_CMD_LENGTH,
+			resp_data, &resp_len,
+			500, cyapa_sort_tsg_pip_bl_resp_data, false);
+	if (error || resp_len < PIP_BL_APP_INFO_RESP_LENGTH ||
+		!PIP_CMD_COMPLETE_SUCCESS(resp_data))
+		return error ? error : -EIO;
+
+	cyapa->fw_maj_ver = resp_data[8];
+	cyapa->fw_min_ver = resp_data[9];
+
+	cyapa->platform_ver = (resp_data[12] >> PIP_BL_PLATFORM_VER_SHIFT) &
+			      PIP_BL_PLATFORM_VER_MASK;
+
+	memcpy(&cyapa->product_id[0], &resp_data[13], 5);
+	cyapa->product_id[5] = '-';
+	memcpy(&cyapa->product_id[6], &resp_data[18], 6);
+	cyapa->product_id[12] = '-';
+	memcpy(&cyapa->product_id[13], &resp_data[24], 2);
+	cyapa->product_id[15] = '\0';
+
+	return 0;
+
+}
+
+static int cyapa_gen6_config_dev_irq(struct cyapa *cyapa, u8 cmd_code)
+{
+	u8 cmd[] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00, cmd_code };
+	u8 resp_data[6];
+	int resp_len;
+	int error;
+
+	resp_len = sizeof(resp_data);
+	error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, sizeof(cmd),
+			resp_data, &resp_len,
+			500, cyapa_sort_tsg_pip_app_resp_data, false);
+	if (error || !VALID_CMD_RESP_HEADER(resp_data, cmd_code) ||
+			!PIP_CMD_COMPLETE_SUCCESS(resp_data)
+			)
+		return error < 0 ? error : -EINVAL;
+
+	return 0;
+}
+
+static int cyapa_gen6_set_proximity(struct cyapa *cyapa, bool enable)
+{
+	int error;
+
+	cyapa_gen6_config_dev_irq(cyapa, GEN6_DISABLE_CMD_IRQ);
+	error = cyapa_pip_set_proximity(cyapa, enable);
+	cyapa_gen6_config_dev_irq(cyapa, GEN6_ENABLE_CMD_IRQ);
+
+	return error;
+}
+
+static int cyapa_gen6_change_power_state(struct cyapa *cyapa, u8 power_mode)
+{
+	u8 cmd[] = { 0x04, 0x00, 0x06, 0x00, 0x2f, 0x00, 0x46, power_mode };
+	u8 resp_data[6];
+	int resp_len;
+	int error;
+
+	resp_len = sizeof(resp_data);
+	error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, sizeof(cmd),
+			resp_data, &resp_len,
+			500, cyapa_sort_tsg_pip_app_resp_data, false);
+	if (error || !VALID_CMD_RESP_HEADER(resp_data, 0x46))
+		return error < 0 ? error : -EINVAL;
+
+	/* New power state applied in device not match the set power state. */
+	if (resp_data[5] != power_mode)
+		return -EAGAIN;
+
+	return 0;
+}
+
+static int cyapa_gen6_set_interval_setting(struct cyapa *cyapa,
+		struct gen6_interval_setting *interval_setting)
+{
+	struct gen6_set_interval_cmd {
+		__le16 addr;
+		__le16 length;
+		u8 report_id;
+		u8 rsvd;  /* Reserved, must be 0 */
+		u8 cmd_code;
+		__le16 active_interval;
+		__le16 lp1_interval;
+		__le16 lp2_interval;
+	} __packed set_interval_cmd;
+	u8 resp_data[11];
+	int resp_len;
+	int error;
+
+	memset(&set_interval_cmd, 0, sizeof(set_interval_cmd));
+	put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &set_interval_cmd.addr);
+	put_unaligned_le16(sizeof(set_interval_cmd) - 2,
+			   &set_interval_cmd.length);
+	set_interval_cmd.report_id = PIP_APP_CMD_REPORT_ID;
+	set_interval_cmd.cmd_code = GEN6_SET_POWER_MODE_INTERVAL;
+	put_unaligned_le16(interval_setting->active_interval,
+			   &set_interval_cmd.active_interval);
+	put_unaligned_le16(interval_setting->lp1_interval,
+			   &set_interval_cmd.lp1_interval);
+	put_unaligned_le16(interval_setting->lp2_interval,
+			   &set_interval_cmd.lp2_interval);
+
+	resp_len = sizeof(resp_data);
+	error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
+			(u8 *)&set_interval_cmd, sizeof(set_interval_cmd),
+			resp_data, &resp_len,
+			500, cyapa_sort_tsg_pip_app_resp_data, false);
+	if (error ||
+		!VALID_CMD_RESP_HEADER(resp_data, GEN6_SET_POWER_MODE_INTERVAL))
+		return error < 0 ? error : -EINVAL;
+
+	/* Get the real set intervals from response. */
+	interval_setting->active_interval = get_unaligned_le16(&resp_data[5]);
+	interval_setting->lp1_interval = get_unaligned_le16(&resp_data[7]);
+	interval_setting->lp2_interval = get_unaligned_le16(&resp_data[9]);
+
+	return 0;
+}
+
+static int cyapa_gen6_get_interval_setting(struct cyapa *cyapa,
+		struct gen6_interval_setting *interval_setting)
+{
+	u8 cmd[] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00,
+		     GEN6_GET_POWER_MODE_INTERVAL };
+	u8 resp_data[11];
+	int resp_len;
+	int error;
+
+	resp_len = sizeof(resp_data);
+	error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, sizeof(cmd),
+			resp_data, &resp_len,
+			500, cyapa_sort_tsg_pip_app_resp_data, false);
+	if (error ||
+		!VALID_CMD_RESP_HEADER(resp_data, GEN6_GET_POWER_MODE_INTERVAL))
+		return error < 0 ? error : -EINVAL;
+
+	interval_setting->active_interval = get_unaligned_le16(&resp_data[5]);
+	interval_setting->lp1_interval = get_unaligned_le16(&resp_data[7]);
+	interval_setting->lp2_interval = get_unaligned_le16(&resp_data[9]);
+
+	return 0;
+}
+
+static int cyapa_gen6_deep_sleep(struct cyapa *cyapa, u8 state)
+{
+	u8 ping[] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00, 0x00 };
+
+	if (state == PIP_DEEP_SLEEP_STATE_ON)
+		/*
+		 * Send ping command to notify device prepare for wake up
+		 * when it's in deep sleep mode. At this time, device will
+		 * response nothing except an I2C NAK.
+		 */
+		cyapa_i2c_pip_write(cyapa, ping, sizeof(ping));
+
+	return cyapa_pip_deep_sleep(cyapa, state);
+}
+
+static int cyapa_gen6_set_power_mode(struct cyapa *cyapa,
+		u8 power_mode, u16 sleep_time, bool is_suspend)
+{
+	struct device *dev = &cyapa->client->dev;
+	struct gen6_interval_setting *interval_setting =
+			&cyapa->gen6_interval_setting;
+	u8 lp_mode;
+	int error;
+
+	if (cyapa->state != CYAPA_STATE_GEN6_APP)
+		return 0;
+
+	if (PIP_DEV_GET_PWR_STATE(cyapa) == UNINIT_PWR_MODE) {
+		/*
+		 * Assume TP in deep sleep mode when driver is loaded,
+		 * avoid driver unload and reload command IO issue caused by TP
+		 * has been set into deep sleep mode when unloading.
+		 */
+		PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_OFF);
+	}
+
+	if (PIP_DEV_UNINIT_SLEEP_TIME(cyapa) &&
+		PIP_DEV_GET_PWR_STATE(cyapa) != PWR_MODE_OFF)
+		PIP_DEV_SET_SLEEP_TIME(cyapa, UNINIT_SLEEP_TIME);
+
+	if (PIP_DEV_GET_PWR_STATE(cyapa) == power_mode) {
+		if (power_mode == PWR_MODE_OFF ||
+			power_mode == PWR_MODE_FULL_ACTIVE ||
+			power_mode == PWR_MODE_BTN_ONLY ||
+			PIP_DEV_GET_SLEEP_TIME(cyapa) == sleep_time) {
+			/* Has in correct power mode state, early return. */
+			return 0;
+		}
+	}
+
+	if (power_mode == PWR_MODE_OFF) {
+		cyapa_gen6_config_dev_irq(cyapa, GEN6_DISABLE_CMD_IRQ);
+
+		error = cyapa_gen6_deep_sleep(cyapa, PIP_DEEP_SLEEP_STATE_OFF);
+		if (error) {
+			dev_err(dev, "enter deep sleep fail: %d\n", error);
+			return error;
+		}
+
+		PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_OFF);
+		return 0;
+	}
+
+	/*
+	 * When trackpad in power off mode, it cannot change to other power
+	 * state directly, must be wake up from sleep firstly, then
+	 * continue to do next power sate change.
+	 */
+	if (PIP_DEV_GET_PWR_STATE(cyapa) == PWR_MODE_OFF) {
+		error = cyapa_gen6_deep_sleep(cyapa, PIP_DEEP_SLEEP_STATE_ON);
+		if (error) {
+			dev_err(dev, "deep sleep wake fail: %d\n", error);
+			return error;
+		}
+	}
+
+	/*
+	 * Disable device assert interrupts for command response to avoid
+	 * disturbing system suspending or hibernating process.
+	 */
+	cyapa_gen6_config_dev_irq(cyapa, GEN6_DISABLE_CMD_IRQ);
+
+	if (power_mode == PWR_MODE_FULL_ACTIVE) {
+		error = cyapa_gen6_change_power_state(cyapa,
+				GEN6_POWER_MODE_ACTIVE);
+		if (error) {
+			dev_err(dev, "change to active fail: %d\n", error);
+			goto out;
+		}
+
+		PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_FULL_ACTIVE);
+
+		/* Sync the interval setting from device. */
+		cyapa_gen6_get_interval_setting(cyapa, interval_setting);
+
+	} else if (power_mode == PWR_MODE_BTN_ONLY) {
+		error = cyapa_gen6_change_power_state(cyapa,
+				GEN6_POWER_MODE_BTN_ONLY);
+		if (error) {
+			dev_err(dev, "fail to button only mode: %d\n", error);
+			goto out;
+		}
+
+		PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_BTN_ONLY);
+	} else {
+		/*
+		 * Gen6 internally supports to 2 low power scan interval time,
+		 * so can help to switch power mode quickly.
+		 * such as runtime suspend and system suspend.
+		 */
+		if (interval_setting->lp1_interval == sleep_time) {
+			lp_mode = GEN6_POWER_MODE_LP_MODE1;
+		} else if (interval_setting->lp2_interval == sleep_time) {
+			lp_mode = GEN6_POWER_MODE_LP_MODE2;
+		} else {
+			if (interval_setting->lp1_interval == 0) {
+				interval_setting->lp1_interval = sleep_time;
+				lp_mode = GEN6_POWER_MODE_LP_MODE1;
+			} else {
+				interval_setting->lp2_interval = sleep_time;
+				lp_mode = GEN6_POWER_MODE_LP_MODE2;
+			}
+			cyapa_gen6_set_interval_setting(cyapa,
+							interval_setting);
+		}
+
+		error = cyapa_gen6_change_power_state(cyapa, lp_mode);
+		if (error) {
+			dev_err(dev, "set power state to 0x%02x failed: %d\n",
+				lp_mode, error);
+			goto out;
+		}
+
+		PIP_DEV_SET_SLEEP_TIME(cyapa, sleep_time);
+		PIP_DEV_SET_PWR_STATE(cyapa,
+			cyapa_sleep_time_to_pwr_cmd(sleep_time));
+	}
+
+out:
+	cyapa_gen6_config_dev_irq(cyapa, GEN6_ENABLE_CMD_IRQ);
+	return error;
+}
+
+static int cyapa_gen6_initialize(struct cyapa *cyapa)
+{
+	return 0;
+}
+
+static int cyapa_pip_retrieve_data_structure(struct cyapa *cyapa,
+		u16 read_offset, u16 read_len, u8 data_id,
+		u8 *data, int *data_buf_lens)
+{
+	struct retrieve_data_struct_cmd {
+		struct pip_app_cmd_head head;
+		__le16 read_offset;
+		__le16 read_length;
+		u8 data_id;
+	} __packed cmd;
+	u8 resp_data[GEN6_MAX_RX_NUM + 10];
+	int resp_len;
+	int error;
+
+	memset(&cmd, 0, sizeof(cmd));
+	put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &cmd.head.addr);
+	put_unaligned_le16(sizeof(cmd), &cmd.head.length - 2);
+	cmd.head.report_id = PIP_APP_CMD_REPORT_ID;
+	cmd.head.cmd_code = PIP_RETRIEVE_DATA_STRUCTURE;
+	put_unaligned_le16(read_offset, &cmd.read_offset);
+	put_unaligned_le16(read_len, &cmd.read_length);
+	cmd.data_id = data_id;
+
+	resp_len = sizeof(resp_data);
+	error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
+				(u8 *)&cmd, sizeof(cmd),
+				resp_data, &resp_len,
+				500, cyapa_sort_tsg_pip_app_resp_data,
+				true);
+	if (error || !PIP_CMD_COMPLETE_SUCCESS(resp_data) ||
+		resp_data[6] != data_id ||
+		!VALID_CMD_RESP_HEADER(resp_data, PIP_RETRIEVE_DATA_STRUCTURE))
+		return (error < 0) ? error : -EAGAIN;
+
+	read_len = get_unaligned_le16(&resp_data[7]);
+	if (*data_buf_lens < read_len) {
+		*data_buf_lens = read_len;
+		return -ENOBUFS;
+	}
+
+	memcpy(data, &resp_data[10], read_len);
+	*data_buf_lens = read_len;
+	return 0;
+}
+
+static ssize_t cyapa_gen6_show_baseline(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct cyapa *cyapa = dev_get_drvdata(dev);
+	u8 data[GEN6_MAX_RX_NUM];
+	int data_len;
+	int size = 0;
+	int i;
+	int error;
+	int resume_error;
+
+	if (!cyapa_is_pip_app_mode(cyapa))
+		return -EBUSY;
+
+	/* 1. Suspend Scanning*/
+	error = cyapa_pip_suspend_scanning(cyapa);
+	if (error)
+		return error;
+
+	/* 2. IDAC and RX Attenuator Calibration Data (Center Frequency). */
+	data_len = sizeof(data);
+	error = cyapa_pip_retrieve_data_structure(cyapa, 0, data_len,
+			GEN6_RETRIEVE_DATA_ID_RX_ATTENURATOR_IDAC,
+			data, &data_len);
+	if (error)
+		goto resume_scanning;
+
+	size = scnprintf(buf, PAGE_SIZE, "%d %d %d %d %d %d ",
+			data[0],  /* RX Attenuator Mutual */
+			data[1],  /* IDAC Mutual */
+			data[2],  /* RX Attenuator Self RX */
+			data[3],  /* IDAC Self RX */
+			data[4],  /* RX Attenuator Self TX */
+			data[5]	  /* IDAC Self TX */
+			);
+
+	/* 3. Read Attenuator Trim. */
+	data_len = sizeof(data);
+	error = cyapa_pip_retrieve_data_structure(cyapa, 0, data_len,
+			GEN6_RETRIEVE_DATA_ID_ATTENURATOR_TRIM,
+			data, &data_len);
+	if (error)
+		goto resume_scanning;
+
+	/* set attenuator trim values. */
+	for (i = 0; i < data_len; i++)
+		size += scnprintf(buf + size, PAGE_SIZE - size,	"%d ", data[i]);
+	size += scnprintf(buf + size, PAGE_SIZE - size, "\n");
+
+resume_scanning:
+	/* 4. Resume Scanning*/
+	resume_error = cyapa_pip_resume_scanning(cyapa);
+	if (resume_error || error) {
+		memset(buf, 0, PAGE_SIZE);
+		return resume_error ? resume_error : error;
+	}
+
+	return size;
+}
+
+static int cyapa_gen6_operational_check(struct cyapa *cyapa)
+{
+	struct device *dev = &cyapa->client->dev;
+	int error;
+
+	if (cyapa->gen != CYAPA_GEN6)
+		return -ENODEV;
+
+	switch (cyapa->state) {
+	case CYAPA_STATE_GEN6_BL:
+		error = cyapa_pip_bl_exit(cyapa);
+		if (error) {
+			/* Try to update trackpad product information. */
+			cyapa_gen6_bl_read_app_info(cyapa);
+			goto out;
+		}
+
+		cyapa->state = CYAPA_STATE_GEN6_APP;
+
+	case CYAPA_STATE_GEN6_APP:
+		/*
+		 * If trackpad device in deep sleep mode,
+		 * the app command will fail.
+		 * So always try to reset trackpad device to full active when
+		 * the device state is required.
+		 */
+		error = cyapa_gen6_set_power_mode(cyapa,
+				PWR_MODE_FULL_ACTIVE, 0, false);
+		if (error)
+			dev_warn(dev, "%s: failed to set power active mode.\n",
+				__func__);
+
+		/* By default, the trackpad proximity function is enabled. */
+		error = cyapa_pip_set_proximity(cyapa, true);
+		if (error)
+			dev_warn(dev, "%s: failed to enable proximity.\n",
+				__func__);
+
+		/* Get trackpad product information. */
+		error = cyapa_gen6_read_sys_info(cyapa);
+		if (error)
+			goto out;
+		/* Only support product ID starting with CYTRA */
+		if (memcmp(cyapa->product_id, product_id,
+				strlen(product_id)) != 0) {
+			dev_err(dev, "%s: unknown product ID (%s)\n",
+				__func__, cyapa->product_id);
+			error = -EINVAL;
+		}
+		break;
+	default:
+		error = -EINVAL;
+	}
+
+out:
+	return error;
+}
+
+const struct cyapa_dev_ops cyapa_gen6_ops = {
+	.check_fw = cyapa_pip_check_fw,
+	.bl_enter = cyapa_pip_bl_enter,
+	.bl_initiate = cyapa_pip_bl_initiate,
+	.update_fw = cyapa_pip_do_fw_update,
+	.bl_activate = cyapa_pip_bl_activate,
+	.bl_deactivate = cyapa_pip_bl_deactivate,
+
+	.show_baseline = cyapa_gen6_show_baseline,
+	.calibrate_store = cyapa_pip_do_calibrate,
+
+	.initialize = cyapa_gen6_initialize,
+
+	.state_parse = cyapa_pip_state_parse,
+	.operational_check = cyapa_gen6_operational_check,
+
+	.irq_handler = cyapa_pip_irq_handler,
+	.irq_cmd_handler = cyapa_pip_irq_cmd_handler,
+	.sort_empty_output_data = cyapa_empty_pip_output_data,
+	.set_power_mode = cyapa_gen6_set_power_mode,
+
+	.set_proximity = cyapa_gen6_set_proximity,
+};
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@ -4,7 +4,7 @@
 * Copyright (c) 2013 ELAN Microelectronics Corp.
 *
 * Author: 林政維 (Duson Lin) <dusonlin@emc.com.tw>
- * Version: 1.5.9
+ * Version: 1.6.0
 *
 * Based on cyapa driver:
 * copyright (c) 2011-2012 Cypress Semiconductor, Inc.
@ -40,7 +40,7 @@
 #include "elan_i2c.h"

 #define DRIVER_NAME		"elan_i2c"
-#define ELAN_DRIVER_VERSION	"1.5.9"
+#define ELAN_DRIVER_VERSION	"1.6.0"
 #define ETP_MAX_PRESSURE	255
 #define ETP_FWIDTH_REDUCE	90
 #define ETP_FINGER_WIDTH	15
@ -84,7 +84,7 @@ struct elan_tp_data {
 	int			pressure_adjustment;
 	u8			mode;
 	u8			ic_type;
-	u16			fw_vaildpage_count;
+	u16			fw_validpage_count;
 	u16			fw_signature_address;

 	bool			irq_wake;
@ -94,25 +94,28 @@ struct elan_tp_data {
 	bool			baseline_ready;
 };

-static int elan_get_fwinfo(u8 ic_type, u16 *vaildpage_count,
+static int elan_get_fwinfo(u8 iap_version, u16 *validpage_count,
 			   u16 *signature_address)
 {
-	switch(ic_type) {
+	switch (iap_version) {
+	case 0x08:
+		*validpage_count = 512;
+		break;
 	case 0x09:
-		*vaildpage_count = 768;
+		*validpage_count = 768;
 		break;
 	case 0x0D:
-		*vaildpage_count = 896;
+		*validpage_count = 896;
 		break;
 	default:
 		/* unknown ic type clear value */
-		*vaildpage_count = 0;
+		*validpage_count = 0;
 		*signature_address = 0;
 		return -ENXIO;
 	}

 	*signature_address =
-		(*vaildpage_count * ETP_FW_PAGE_SIZE) - ETP_FW_SIGNATURE_SIZE;
+		(*validpage_count * ETP_FW_PAGE_SIZE) - ETP_FW_SIGNATURE_SIZE;

 	return 0;
 }
@ -261,11 +264,11 @@ static int elan_query_device_info(struct elan_tp_data *data)
 	if (error)
 		return error;

-	error = elan_get_fwinfo(data->ic_type, &data->fw_vaildpage_count,
+	error = elan_get_fwinfo(data->iap_version, &data->fw_validpage_count,
 				&data->fw_signature_address);
 	if (error) {
 		dev_err(&data->client->dev,
-			"unknown ic type %d\n", data->ic_type);
+			"unknown iap version %d\n", data->iap_version);
 		return error;
 	}

@ -353,7 +356,7 @@ static int __elan_update_firmware(struct elan_tp_data *data,
 	iap_start_addr = get_unaligned_le16(&fw->data[ETP_IAP_START_ADDR * 2]);

 	boot_page_count = (iap_start_addr * 2) / ETP_FW_PAGE_SIZE;
-	for (i = boot_page_count; i < data->fw_vaildpage_count; i++) {
+	for (i = boot_page_count; i < data->fw_validpage_count; i++) {
 		u16 checksum = 0;
 		const u8 *page = &fw->data[i * ETP_FW_PAGE_SIZE];

@ -1165,6 +1168,8 @@ MODULE_DEVICE_TABLE(i2c, elan_id);
 #ifdef CONFIG_ACPI
 static const struct acpi_device_id elan_acpi_id[] = {
 	{ "ELAN0000", 0 },
+	{ "ELAN0100", 0 },
+	{ "ELAN0600", 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(acpi, elan_acpi_id);
@ -1181,10 +1186,10 @@ MODULE_DEVICE_TABLE(of, elan_of_match);
 static struct i2c_driver elan_driver = {
 	.driver = {
 		.name	= DRIVER_NAME,
-		.owner	= THIS_MODULE,
 		.pm	= &elan_pm_ops,
 		.acpi_match_table = ACPI_PTR(elan_acpi_id),
 		.of_match_table = of_match_ptr(elan_of_match),
+		.probe_type = PROBE_PREFER_ASYNCHRONOUS,
 	},
 	.probe		= elan_probe,
 	.id_table	= elan_id,
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@ -1540,6 +1540,10 @@ static int psmouse_connect(struct serio *serio, struct serio_driver *drv)
 	if (error)
 		goto err_clear_drvdata;

+	/* give PT device some time to settle down before probing */
+	if (serio->id.type == SERIO_PS_PSTHRU)
+		usleep_range(10000, 15000);
+
 	if (psmouse_probe(psmouse) < 0) {
 		error = -ENODEV;
 		goto err_close_serio;
--- a/drivers/input/mouse/sentelic.c
+++ b/drivers/input/mouse/sentelic.c
@ -432,7 +432,7 @@ static int fsp_onpad_hscr(struct psmouse *psmouse, bool enable)
 static ssize_t fsp_attr_set_setreg(struct psmouse *psmouse, void *data,
 				   const char *buf, size_t count)
 {
-	int reg, val;
+	unsigned int reg, val;
 	char *rest;
 	ssize_t retval;

@ -440,7 +440,7 @@ static ssize_t fsp_attr_set_setreg(struct psmouse *psmouse, void *data,
 	if (rest == buf || *rest != ' ' || reg > 0xff)
 		return -EINVAL;

-	retval = kstrtoint(rest + 1, 16, &val);
+	retval = kstrtouint(rest + 1, 16, &val);
 	if (retval)
 		return retval;

@ -476,9 +476,10 @@ static ssize_t fsp_attr_set_getreg(struct psmouse *psmouse, void *data,
 					const char *buf, size_t count)
 {
 	struct fsp_data *pad = psmouse->private;
-	int reg, val, err;
+	unsigned int reg, val;
+	int err;

-	err = kstrtoint(buf, 16, &reg);
+	err = kstrtouint(buf, 16, &reg);
 	if (err)
 		return err;

@ -511,9 +512,10 @@ static ssize_t fsp_attr_show_pagereg(struct psmouse *psmouse,
 static ssize_t fsp_attr_set_pagereg(struct psmouse *psmouse, void *data,
 					const char *buf, size_t count)
 {
-	int val, err;
+	unsigned int val;
+	int err;

-	err = kstrtoint(buf, 16, &val);
+	err = kstrtouint(buf, 16, &val);
 	if (err)
 		return err;

--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@ -519,14 +519,18 @@ static int synaptics_set_mode(struct psmouse *psmouse)
 	struct synaptics_data *priv = psmouse->private;

 	priv->mode = 0;
-	if (priv->absolute_mode)
+
+	if (priv->absolute_mode) {
 		priv->mode |= SYN_BIT_ABSOLUTE_MODE;
-	if (priv->disable_gesture)
+		if (SYN_CAP_EXTENDED(priv->capabilities))
+			priv->mode |= SYN_BIT_W_MODE;
+	}
+
+	if (!SYN_MODE_WMODE(priv->mode) && priv->disable_gesture)
 		priv->mode |= SYN_BIT_DISABLE_GESTURE;
+
 	if (psmouse->rate >= 80)
 		priv->mode |= SYN_BIT_HIGH_RATE;
-	if (SYN_CAP_EXTENDED(priv->capabilities))
-		priv->mode |= SYN_BIT_W_MODE;

 	if (synaptics_mode_cmd(psmouse, priv->mode))
 		return -1;
--- a/drivers/input/mouse/synaptics_i2c.c
+++ b/drivers/input/mouse/synaptics_i2c.c
@ -655,7 +655,6 @@ MODULE_DEVICE_TABLE(i2c, synaptics_i2c_id_table);
 static struct i2c_driver synaptics_i2c_driver = {
 	.driver = {
 		.name	= DRIVER_NAME,
-		.owner	= THIS_MODULE,
 		.pm	= &synaptics_i2c_pm,
 	},

--- a/drivers/input/serio/ambakmi.c
+++ b/drivers/input/serio/ambakmi.c
@ -175,9 +175,9 @@ static int amba_kmi_remove(struct amba_device *dev)
 	return 0;
 }

-static int amba_kmi_resume(struct amba_device *dev)
+static int __maybe_unused amba_kmi_resume(struct device *dev)
 {
-	struct amba_kmi_port *kmi = amba_get_drvdata(dev);
+	struct amba_kmi_port *kmi = dev_get_drvdata(dev);

 	/* kick the serio layer to rescan this port */
 	serio_reconnect(kmi->io);
@ -185,6 +185,8 @@ static int amba_kmi_resume(struct amba_device *dev)
 	return 0;
 }

+static SIMPLE_DEV_PM_OPS(amba_kmi_dev_pm_ops, NULL, amba_kmi_resume);
+
 static struct amba_id amba_kmi_idtable[] = {
 	{
 		.id	= 0x00041050,
@ -199,11 +201,11 @@ static struct amba_driver ambakmi_driver = {
 	.drv		= {
 		.name	= "kmi-pl050",
 		.owner	= THIS_MODULE,
+		.pm	= &amba_kmi_dev_pm_ops,
 	},
 	.id_table	= amba_kmi_idtable,
 	.probe		= amba_kmi_probe,
 	.remove		= amba_kmi_remove,
-	.resume		= amba_kmi_resume,
 };

 module_amba_driver(ambakmi_driver);
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@ -88,6 +88,10 @@ MODULE_PARM_DESC(nopnp, "Do not use PNP to detect controller settings");
 static bool i8042_debug;
 module_param_named(debug, i8042_debug, bool, 0600);
 MODULE_PARM_DESC(debug, "Turn i8042 debugging mode on and off");
+
+static bool i8042_unmask_kbd_data;
+module_param_named(unmask_kbd_data, i8042_unmask_kbd_data, bool, 0600);
+MODULE_PARM_DESC(unmask_kbd_data, "Unconditional enable (may reveal sensitive data) of normally sanitize-filtered kbd data traffic debug log [pre-condition: i8042.debug=1 enabled]");
 #endif

 static bool i8042_bypass_aux_irq_test;
@ -116,6 +120,7 @@ struct i8042_port {
 	struct serio *serio;
 	int irq;
 	bool exists;
+	bool driver_bound;
 	signed char mux;
 };

@ -133,6 +138,7 @@ static bool i8042_kbd_irq_registered;
 static bool i8042_aux_irq_registered;
 static unsigned char i8042_suppress_kbd_ack;
 static struct platform_device *i8042_platform_device;
+static struct notifier_block i8042_kbd_bind_notifier_block;

 static irqreturn_t i8042_interrupt(int irq, void *dev_id);
 static bool (*i8042_platform_filter)(unsigned char data, unsigned char str,
@ -528,10 +534,10 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id)
 	port = &i8042_ports[port_no];
 	serio = port->exists ? port->serio : NULL;

-	dbg("%02x <- i8042 (interrupt, %d, %d%s%s)\n",
-	    data, port_no, irq,
-	    dfl & SERIO_PARITY ? ", bad parity" : "",
-	    dfl & SERIO_TIMEOUT ? ", timeout" : "");
+	filter_dbg(port->driver_bound, data, "<- i8042 (interrupt, %d, %d%s%s)\n",
+		   port_no, irq,
+		   dfl & SERIO_PARITY ? ", bad parity" : "",
+		   dfl & SERIO_TIMEOUT ? ", timeout" : "");

 	filtered = i8042_filter(data, str, serio);

@ -1438,6 +1444,29 @@ static int __init i8042_setup_kbd(void)
 	return error;
 }

+static int i8042_kbd_bind_notifier(struct notifier_block *nb,
+				   unsigned long action, void *data)
+{
+	struct device *dev = data;
+	struct serio *serio = to_serio_port(dev);
+	struct i8042_port *port = serio->port_data;
+
+	if (serio != i8042_ports[I8042_KBD_PORT_NO].serio)
+		return 0;
+
+	switch (action) {
+	case BUS_NOTIFY_BOUND_DRIVER:
+		port->driver_bound = true;
+		break;
+
+	case BUS_NOTIFY_UNBIND_DRIVER:
+		port->driver_bound = false;
+		break;
+	}
+
+	return 0;
+}
+
 static int __init i8042_probe(struct platform_device *dev)
 {
 	int error;
@ -1507,6 +1536,10 @@ static struct platform_driver i8042_driver = {
 	.shutdown	= i8042_shutdown,
 };

+static struct notifier_block i8042_kbd_bind_notifier_block = {
+	.notifier_call = i8042_kbd_bind_notifier,
+};
+
 static int __init i8042_init(void)
 {
 	struct platform_device *pdev;
@ -1528,6 +1561,7 @@ static int __init i8042_init(void)
 		goto err_platform_exit;
 	}

+	bus_register_notifier(&serio_bus, &i8042_kbd_bind_notifier_block);
 	panic_blink = i8042_panic_blink;

 	return 0;
@ -1543,6 +1577,7 @@ static void __exit i8042_exit(void)
 	platform_driver_unregister(&i8042_driver);
 	i8042_platform_exit();

+	bus_unregister_notifier(&serio_bus, &i8042_kbd_bind_notifier_block);
 	panic_blink = NULL;
 }

--- a/drivers/input/serio/i8042.h
+++ b/drivers/input/serio/i8042.h
@ -73,6 +73,17 @@ static unsigned long i8042_start_time;
 			printk(KERN_DEBUG KBUILD_MODNAME ": [%d] " format,	\
 			       (int) (jiffies - i8042_start_time), ##arg);	\
 	} while (0)
+
+#define filter_dbg(filter, data, format, args...)		\
+	do {							\
+		if (!i8042_debug)				\
+			break;					\
+								\
+		if (!filter || i8042_unmask_kbd_data)		\
+			dbg("%02x " format, data, ##args);	\
+		else						\
+			dbg("** " format, ##args);		\
+	} while (0)
 #else
 #define dbg_init() do { } while (0)
 #define dbg(format, arg...)							\
@ -80,6 +91,8 @@ static unsigned long i8042_start_time;
 		if (0)								\
 			printk(KERN_DEBUG pr_fmt(format), ##arg);		\
 	} while (0)
+
+#define filter_dbg(filter, data, format, args...) do { } while (0)
 #endif

 #endif /* _I8042_H */
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@ -49,8 +49,6 @@ static DEFINE_MUTEX(serio_mutex);

 static LIST_HEAD(serio_list);

-static struct bus_type serio_bus;
-
 static void serio_add_port(struct serio *serio);
 static int serio_reconnect_port(struct serio *serio);
 static void serio_disconnect_port(struct serio *serio);
@ -1017,7 +1015,7 @@ irqreturn_t serio_interrupt(struct serio *serio,
 }
 EXPORT_SYMBOL(serio_interrupt);

-static struct bus_type serio_bus = {
+struct bus_type serio_bus = {
 	.name		= "serio",
 	.drv_groups	= serio_driver_groups,
 	.match		= serio_bus_match,
@ -1029,6 +1027,7 @@ static struct bus_type serio_bus = {
 	.pm		= &serio_pm_ops,
 #endif
 };
+EXPORT_SYMBOL(serio_bus);

 static int __init serio_init(void)
 {
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@ -11,9 +11,9 @@ menuconfig INPUT_TOUCHSCREEN

 if INPUT_TOUCHSCREEN

-config OF_TOUCHSCREEN
+config TOUCHSCREEN_PROPERTIES
 	def_tristate INPUT
-	depends on INPUT && OF
+	depends on INPUT

 config TOUCHSCREEN_88PM860X
 	tristate "Marvell 88PM860x touchscreen"
@ -118,7 +118,7 @@ config TOUCHSCREEN_ATMEL_MXT
 config TOUCHSCREEN_AUO_PIXCIR
 	tristate "AUO in-cell touchscreen using Pixcir ICs"
 	depends on I2C
-	depends on GPIOLIB
+	depends on GPIOLIB || COMPILE_TEST
 	help
 	  Say Y here if you have a AUO display with in-cell touchscreen
 	  using Pixcir ICs.
@ -142,7 +142,7 @@ config TOUCHSCREEN_BU21013

 config TOUCHSCREEN_CHIPONE_ICN8318
 	tristate "chipone icn8318 touchscreen controller"
-	depends on GPIOLIB
+	depends on GPIOLIB || COMPILE_TEST
 	depends on I2C
 	depends on OF
 	help
@ -156,7 +156,7 @@ config TOUCHSCREEN_CHIPONE_ICN8318
 config TOUCHSCREEN_CY8CTMG110
 	tristate "cy8ctmg110 touchscreen"
 	depends on I2C
-	depends on GPIOLIB
+	depends on GPIOLIB || COMPILE_TEST
 	help
 	  Say Y here if you have a cy8ctmg110 capacitive touchscreen on
 	  an AAVA device.
@ -915,10 +915,11 @@ config TOUCHSCREEN_TSC_SERIO
 	  module will be called tsc40.

 config TOUCHSCREEN_TSC2005
-        tristate "TSC2005 based touchscreens"
-        depends on SPI_MASTER
-        help
-          Say Y here if you have a TSC2005 based touchscreen.
+	tristate "TSC2005 based touchscreens"
+	depends on SPI_MASTER
+	select REGMAP_SPI
+	help
+	  Say Y here if you have a TSC2005 based touchscreen.

 	  If unsure, say N.

@ -1029,7 +1030,7 @@ config TOUCHSCREEN_TPS6507X
 config TOUCHSCREEN_ZFORCE
 	tristate "Neonode zForce infrared touchscreens"
 	depends on I2C
-	depends on GPIOLIB
+	depends on GPIOLIB || COMPILE_TEST
 	help
 	  Say Y here if you have a touchscreen using the zforce
 	  infraread technology from Neonode.
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@ -6,7 +6,7 @@

 wm97xx-ts-y := wm97xx-core.o

-obj-$(CONFIG_OF_TOUCHSCREEN)		+= of_touchscreen.o
+obj-$(CONFIG_TOUCHSCREEN_PROPERTIES)	+= of_touchscreen.o
 obj-$(CONFIG_TOUCHSCREEN_88PM860X)	+= 88pm860x-ts.o
 obj-$(CONFIG_TOUCHSCREEN_AD7877)	+= ad7877.o
 obj-$(CONFIG_TOUCHSCREEN_AD7879)	+= ad7879.o
--- a/drivers/input/touchscreen/ad7879-i2c.c
+++ b/drivers/input/touchscreen/ad7879-i2c.c
@ -94,7 +94,6 @@ MODULE_DEVICE_TABLE(i2c, ad7879_id);
 static struct i2c_driver ad7879_i2c_driver = {
 	.driver = {
 		.name	= "ad7879",
-		.owner	= THIS_MODULE,
 		.pm	= &ad7879_pm_ops,
 	},
 	.probe		= ad7879_i2c_probe,
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@ -1234,7 +1234,8 @@ static const struct ads7846_platform_data *ads7846_probe_dt(struct device *dev)
 	of_property_read_u32(node, "ti,pendown-gpio-debounce",
 			     &pdata->gpio_pendown_debounce);

-	pdata->wakeup = of_property_read_bool(node, "linux,wakeup");
+	pdata->wakeup = of_property_read_bool(node, "wakeup-source") ||
+			of_property_read_bool(node, "linux,wakeup");

 	pdata->gpio_pendown = of_get_named_gpio(dev->of_node, "pendown-gpio", 0);

--- a/drivers/input/touchscreen/ar1021_i2c.c
+++ b/drivers/input/touchscreen/ar1021_i2c.c
@ -166,7 +166,6 @@ MODULE_DEVICE_TABLE(of, ar1021_i2c_of_match);
 static struct i2c_driver ar1021_i2c_driver = {
 	.driver	= {
 		.name	= "ar1021_i2c",
-		.owner	= THIS_MODULE,
 		.pm	= &ar1021_i2c_pm,
 		.of_match_table = ar1021_i2c_of_match,
 	},
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@ -22,34 +22,20 @@
 #include <linux/delay.h>
 #include <linux/firmware.h>
 #include <linux/i2c.h>
-#include <linux/i2c/atmel_mxt_ts.h>
+#include <linux/platform_data/atmel_mxt_ts.h>
 #include <linux/input/mt.h>
 #include <linux/interrupt.h>
 #include <linux/of.h>
 #include <linux/slab.h>
 #include <asm/unaligned.h>

-/* Version */
-#define MXT_VER_20		20
-#define MXT_VER_21		21
-#define MXT_VER_22		22
-
 /* Firmware files */
 #define MXT_FW_NAME		"maxtouch.fw"
 #define MXT_CFG_NAME		"maxtouch.cfg"
 #define MXT_CFG_MAGIC		"OBP_RAW V1"

 /* Registers */
-#define MXT_INFO		0x00
-#define MXT_FAMILY_ID		0x00
-#define MXT_VARIANT_ID		0x01
-#define MXT_VERSION		0x02
-#define MXT_BUILD		0x03
-#define MXT_MATRIX_X_SIZE	0x04
-#define MXT_MATRIX_Y_SIZE	0x05
-#define MXT_OBJECT_NUM		0x06
 #define MXT_OBJECT_START	0x07
-
 #define MXT_OBJECT_SIZE		6
 #define MXT_INFO_CHECKSUM_SIZE	3
 #define MXT_MAX_BLOCK_WRITE	256
@ -103,21 +89,16 @@
 #define MXT_T6_STATUS_COMSERR	(1 << 2)

 /* MXT_GEN_POWER_T7 field */
-#define MXT_POWER_IDLEACQINT	0
-#define MXT_POWER_ACTVACQINT	1
-#define MXT_POWER_ACTV2IDLETO	2
+struct t7_config {
+	u8 idle;
+	u8 active;
+} __packed;

-/* MXT_GEN_ACQUIRE_T8 field */
-#define MXT_ACQUIRE_CHRGTIME	0
-#define MXT_ACQUIRE_TCHDRIFT	2
-#define MXT_ACQUIRE_DRIFTST	3
-#define MXT_ACQUIRE_TCHAUTOCAL	4
-#define MXT_ACQUIRE_SYNC	5
-#define MXT_ACQUIRE_ATCHCALST	6
-#define MXT_ACQUIRE_ATCHCALSTHR	7
+#define MXT_POWER_CFG_RUN		0
+#define MXT_POWER_CFG_DEEPSLEEP		1

 /* MXT_TOUCH_MULTI_T9 field */
-#define MXT_TOUCH_CTRL		0
+#define MXT_T9_CTRL		0
 #define MXT_T9_ORIENT		9
 #define MXT_T9_RANGE		18

@ -139,51 +120,10 @@ struct t9_range {
 /* MXT_TOUCH_MULTI_T9 orient */
 #define MXT_T9_ORIENT_SWITCH	(1 << 0)

-/* MXT_PROCI_GRIPFACE_T20 field */
-#define MXT_GRIPFACE_CTRL	0
-#define MXT_GRIPFACE_XLOGRIP	1
-#define MXT_GRIPFACE_XHIGRIP	2
-#define MXT_GRIPFACE_YLOGRIP	3
-#define MXT_GRIPFACE_YHIGRIP	4
-#define MXT_GRIPFACE_MAXTCHS	5
-#define MXT_GRIPFACE_SZTHR1	7
-#define MXT_GRIPFACE_SZTHR2	8
-#define MXT_GRIPFACE_SHPTHR1	9
-#define MXT_GRIPFACE_SHPTHR2	10
-#define MXT_GRIPFACE_SUPEXTTO	11
-
-/* MXT_PROCI_NOISE field */
-#define MXT_NOISE_CTRL		0
-#define MXT_NOISE_OUTFLEN	1
-#define MXT_NOISE_GCAFUL_LSB	3
-#define MXT_NOISE_GCAFUL_MSB	4
-#define MXT_NOISE_GCAFLL_LSB	5
-#define MXT_NOISE_GCAFLL_MSB	6
-#define MXT_NOISE_ACTVGCAFVALID	7
-#define MXT_NOISE_NOISETHR	8
-#define MXT_NOISE_FREQHOPSCALE	10
-#define MXT_NOISE_FREQ0		11
-#define MXT_NOISE_FREQ1		12
-#define MXT_NOISE_FREQ2		13
-#define MXT_NOISE_FREQ3		14
-#define MXT_NOISE_FREQ4		15
-#define MXT_NOISE_IDLEGCAFVALID	16
-
 /* MXT_SPT_COMMSCONFIG_T18 */
 #define MXT_COMMS_CTRL		0
 #define MXT_COMMS_CMD		1

-/* MXT_SPT_CTECONFIG_T28 field */
-#define MXT_CTE_CTRL		0
-#define MXT_CTE_CMD		1
-#define MXT_CTE_MODE		2
-#define MXT_CTE_IDLEGCAFDEPTH	3
-#define MXT_CTE_ACTVGCAFDEPTH	4
-#define MXT_CTE_VOLTAGE		5
-
-#define MXT_VOLTAGE_DEFAULT	2700000
-#define MXT_VOLTAGE_STEP	10000
-
 /* Define for MXT_GEN_COMMAND_T6 */
 #define MXT_BOOT_VALUE		0xa5
 #define MXT_RESET_VALUE		0x01
@ -291,6 +231,7 @@ struct mxt_data {
 	u8 last_message_count;
 	u8 num_touchids;
 	u8 multitouch;
+	struct t7_config t7_cfg;

 	/* Cached parameters from object table */
 	u16 T5_address;
@ -997,16 +938,15 @@ static irqreturn_t mxt_process_messages_t44(struct mxt_data *data)

 	count = data->msg_buf[0];

-	if (count == 0) {
-		/*
-		 * This condition is caused by the CHG line being configured
-		 * in Mode 0. It results in unnecessary I2C operations but it
-		 * is benign.
-		 */
-		dev_dbg(dev, "Interrupt triggered but zero messages\n");
+	/*
+	 * This condition may be caused by the CHG line being configured in
+	 * Mode 0. It results in unnecessary I2C operations but it is benign.
+	 */
+	if (count == 0)
 		return IRQ_NONE;
-	} else if (count > data->max_reportid) {
-		dev_err(dev, "T44 count %d exceeded max report id\n", count);
+
+	if (count > data->max_reportid) {
+		dev_warn(dev, "T44 count %d exceeded max report id\n", count);
 		count = data->max_reportid;
 	}

@ -1157,7 +1097,9 @@ static int mxt_soft_reset(struct mxt_data *data)
 	struct device *dev = &data->client->dev;
 	int ret = 0;

-	dev_info(dev, "Resetting chip\n");
+	dev_info(dev, "Resetting device\n");
+
+	disable_irq(data->irq);

 	reinit_completion(&data->reset_completion);

@ -1165,6 +1107,11 @@ static int mxt_soft_reset(struct mxt_data *data)
 	if (ret)
 		return ret;

+	/* Ignore CHG line for 100ms after reset */
+	msleep(100);
+
+	enable_irq(data->irq);
+
 	ret = mxt_wait_for_completion(data, &data->reset_completion,
 				      MXT_RESET_TIMEOUT);
 	if (ret)
@ -1361,6 +1308,8 @@ static int mxt_upload_cfg_mem(struct mxt_data *data, unsigned int cfg_start,
 	return 0;
 }

+static int mxt_init_t7_power_cfg(struct mxt_data *data);
+
 /*
 * mxt_update_cfg - download configuration to chip
 *
@ -1508,6 +1457,9 @@ static int mxt_update_cfg(struct mxt_data *data, const struct firmware *cfg)

 	dev_info(dev, "Config successfully updated\n");

+	/* T7 config may have changed */
+	mxt_init_t7_power_cfg(data);
+
 release_mem:
 	kfree(config_mem);
 	return ret;
@ -1533,7 +1485,7 @@ static int mxt_get_info(struct mxt_data *data)
 	int error;

 	/* Read 7-byte info block starting at address 0 */
-	error = __mxt_read_reg(client, MXT_INFO, sizeof(*info), info);
+	error = __mxt_read_reg(client, 0, sizeof(*info), info);
 	if (error)
 		return error;

@ -1905,6 +1857,8 @@ static int mxt_initialize_input_device(struct mxt_data *data)
 	if (pdata->t19_num_keys) {
 		mxt_set_up_as_touchpad(input_dev, data);
 		mt_flags |= INPUT_MT_POINTER;
+	} else {
+		mt_flags |= INPUT_MT_DIRECT;
 	}

 	/* For multi touch */
@ -2051,6 +2005,60 @@ err_free_object_table:
 	return error;
 }

+static int mxt_set_t7_power_cfg(struct mxt_data *data, u8 sleep)
+{
+	struct device *dev = &data->client->dev;
+	int error;
+	struct t7_config *new_config;
+	struct t7_config deepsleep = { .active = 0, .idle = 0 };
+
+	if (sleep == MXT_POWER_CFG_DEEPSLEEP)
+		new_config = &deepsleep;
+	else
+		new_config = &data->t7_cfg;
+
+	error = __mxt_write_reg(data->client, data->T7_address,
+				sizeof(data->t7_cfg), new_config);
+	if (error)
+		return error;
+
+	dev_dbg(dev, "Set T7 ACTV:%d IDLE:%d\n",
+		new_config->active, new_config->idle);
+
+	return 0;
+}
+
+static int mxt_init_t7_power_cfg(struct mxt_data *data)
+{
+	struct device *dev = &data->client->dev;
+	int error;
+	bool retry = false;
+
+recheck:
+	error = __mxt_read_reg(data->client, data->T7_address,
+				sizeof(data->t7_cfg), &data->t7_cfg);
+	if (error)
+		return error;
+
+	if (data->t7_cfg.active == 0 || data->t7_cfg.idle == 0) {
+		if (!retry) {
+			dev_dbg(dev, "T7 cfg zero, resetting\n");
+			mxt_soft_reset(data);
+			retry = true;
+			goto recheck;
+		} else {
+			dev_dbg(dev, "T7 cfg zero after reset, overriding\n");
+			data->t7_cfg.active = 20;
+			data->t7_cfg.idle = 100;
+			return mxt_set_t7_power_cfg(data, MXT_POWER_CFG_RUN);
+		}
+	}
+
+	dev_dbg(dev, "Initialized power cfg: ACTV %d, IDLE %d\n",
+		data->t7_cfg.active, data->t7_cfg.idle);
+	return 0;
+}
+
 static int mxt_configure_objects(struct mxt_data *data,
 				 const struct firmware *cfg)
 {
@ -2058,6 +2066,12 @@ static int mxt_configure_objects(struct mxt_data *data,
 	struct mxt_info *info = &data->info;
 	int error;

+	error = mxt_init_t7_power_cfg(data);
+	if (error) {
+		dev_err(dev, "Failed to initialize power cfg\n");
+		return error;
+	}
+
 	if (cfg) {
 		error = mxt_update_cfg(data, cfg);
 		if (error)
@ -2346,14 +2360,41 @@ static const struct attribute_group mxt_attr_group = {

 static void mxt_start(struct mxt_data *data)
 {
-	/* Touch enable */
-	mxt_write_object(data, data->multitouch, MXT_TOUCH_CTRL, 0x83);
+	switch (data->pdata->suspend_mode) {
+	case MXT_SUSPEND_T9_CTRL:
+		mxt_soft_reset(data);
+
+		/* Touch enable */
+		/* 0x83 = SCANEN | RPTEN | ENABLE */
+		mxt_write_object(data,
+				MXT_TOUCH_MULTI_T9, MXT_T9_CTRL, 0x83);
+		break;
+
+	case MXT_SUSPEND_DEEP_SLEEP:
+	default:
+		mxt_set_t7_power_cfg(data, MXT_POWER_CFG_RUN);
+
+		/* Recalibrate since chip has been in deep sleep */
+		mxt_t6_command(data, MXT_COMMAND_CALIBRATE, 1, false);
+		break;
+	}
+
 }

 static void mxt_stop(struct mxt_data *data)
 {
-	/* Touch disable */
-	mxt_write_object(data, data->multitouch, MXT_TOUCH_CTRL, 0);
+	switch (data->pdata->suspend_mode) {
+	case MXT_SUSPEND_T9_CTRL:
+		/* Touch disable */
+		mxt_write_object(data,
+				MXT_TOUCH_MULTI_T9, MXT_T9_CTRL, 0);
+		break;
+
+	case MXT_SUSPEND_DEEP_SLEEP:
+	default:
+		mxt_set_t7_power_cfg(data, MXT_POWER_CFG_DEEPSLEEP);
+		break;
+	}
 }

 static int mxt_input_open(struct input_dev *dev)
@ -2376,19 +2417,18 @@ static void mxt_input_close(struct input_dev *dev)
 static const struct mxt_platform_data *mxt_parse_dt(struct i2c_client *client)
 {
 	struct mxt_platform_data *pdata;
+	struct device_node *np = client->dev.of_node;
 	u32 *keymap;
-	u32 keycode;
-	int proplen, i, ret;
+	int proplen, ret;

-	if (!client->dev.of_node)
+	if (!np)
 		return ERR_PTR(-ENOENT);

 	pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
 	if (!pdata)
 		return ERR_PTR(-ENOMEM);

-	if (of_find_property(client->dev.of_node, "linux,gpio-keymap",
-			     &proplen)) {
+	if (of_find_property(np, "linux,gpio-keymap", &proplen)) {
 		pdata->t19_num_keys = proplen / sizeof(u32);

 		keymap = devm_kzalloc(&client->dev,
@ -2397,18 +2437,17 @@ static const struct mxt_platform_data *mxt_parse_dt(struct i2c_client *client)
 		if (!keymap)
 			return ERR_PTR(-ENOMEM);

-		for (i = 0; i < pdata->t19_num_keys; i++) {
-			ret = of_property_read_u32_index(client->dev.of_node,
-					"linux,gpio-keymap", i, &keycode);
-			if (ret)
-				keycode = KEY_RESERVED;
-
-			keymap[i] = keycode;
-		}
+		ret = of_property_read_u32_array(np, "linux,gpio-keymap",
+						 keymap, pdata->t19_num_keys);
+		if (ret)
+			dev_warn(&client->dev,
+				 "Couldn't read linux,gpio-keymap: %d\n", ret);

 		pdata->t19_keymap = keymap;
 	}

+	pdata->suspend_mode = MXT_SUSPEND_DEEP_SLEEP;
+
 	return pdata;
 }
 #else
@ -2609,6 +2648,9 @@ static int __maybe_unused mxt_suspend(struct device *dev)
 	struct mxt_data *data = i2c_get_clientdata(client);
 	struct input_dev *input_dev = data->input_dev;

+	if (!input_dev)
+		return 0;
+
 	mutex_lock(&input_dev->mutex);

 	if (input_dev->users)
@ -2625,7 +2667,8 @@ static int __maybe_unused mxt_resume(struct device *dev)
 	struct mxt_data *data = i2c_get_clientdata(client);
 	struct input_dev *input_dev = data->input_dev;

-	mxt_soft_reset(data);
+	if (!input_dev)
+		return 0;

 	mutex_lock(&input_dev->mutex);

@ -2666,7 +2709,6 @@ MODULE_DEVICE_TABLE(i2c, mxt_id);
 static struct i2c_driver mxt_driver = {
 	.driver = {
 		.name	= "atmel_mxt_ts",
-		.owner	= THIS_MODULE,
 		.of_match_table = of_match_ptr(mxt_of_match),
 		.acpi_match_table = ACPI_PTR(mxt_acpi_id),
 		.pm	= &mxt_pm_ops,
--- a/drivers/input/touchscreen/auo-pixcir-ts.c
+++ b/drivers/input/touchscreen/auo-pixcir-ts.c
@ -686,7 +686,6 @@ MODULE_DEVICE_TABLE(of, auo_pixcir_ts_dt_idtable);

 static struct i2c_driver auo_pixcir_driver = {
 	.driver = {
-		.owner	= THIS_MODULE,
 		.name	= "auo_pixcir_ts",
 		.pm	= &auo_pixcir_pm_ops,
 		.of_match_table	= of_match_ptr(auo_pixcir_ts_dt_idtable),
--- a/drivers/input/touchscreen/bu21013_ts.c
+++ b/drivers/input/touchscreen/bu21013_ts.c
@ -716,7 +716,6 @@ MODULE_DEVICE_TABLE(i2c, bu21013_id);
 static struct i2c_driver bu21013_driver = {
 	.driver	= {
 		.name	=	DRIVER_TP,
-		.owner	=	THIS_MODULE,
 #ifdef CONFIG_PM
 		.pm	=	&bu21013_dev_pm_ops,
 #endif
--- a/drivers/input/touchscreen/chipone_icn8318.c
+++ b/drivers/input/touchscreen/chipone_icn8318.c
@ -300,7 +300,6 @@ MODULE_DEVICE_TABLE(i2c, icn8318_i2c_id);

 static struct i2c_driver icn8318_driver = {
 	.driver = {
-		.owner	= THIS_MODULE,
 		.name	= "chipone_icn8318",
 		.pm	= &icn8318_pm_ops,
 		.of_match_table = icn8318_of_match,
--- a/drivers/input/touchscreen/cy8ctmg110_ts.c
+++ b/drivers/input/touchscreen/cy8ctmg110_ts.c
@ -347,7 +347,6 @@ MODULE_DEVICE_TABLE(i2c, cy8ctmg110_idtable);

 static struct i2c_driver cy8ctmg110_driver = {
 	.driver		= {
-		.owner	= THIS_MODULE,
 		.name	= CY8CTMG110_DRIVER_NAME,
 		.pm	= &cy8ctmg110_pm,
 	},
--- a/drivers/input/touchscreen/cyttsp4_i2c.c
+++ b/drivers/input/touchscreen/cyttsp4_i2c.c
@ -74,7 +74,6 @@ MODULE_DEVICE_TABLE(i2c, cyttsp4_i2c_id);
 static struct i2c_driver cyttsp4_i2c_driver = {
 	.driver = {
 		.name	= CYTTSP4_I2C_NAME,
-		.owner	= THIS_MODULE,
 		.pm	= &cyttsp4_pm_ops,
 	},
 	.probe		= cyttsp4_i2c_probe,
--- a/drivers/input/touchscreen/cyttsp_i2c.c
+++ b/drivers/input/touchscreen/cyttsp_i2c.c
@ -74,7 +74,6 @@ MODULE_DEVICE_TABLE(i2c, cyttsp_i2c_id);
 static struct i2c_driver cyttsp_i2c_driver = {
 	.driver = {
 		.name	= CY_I2C_NAME,
-		.owner	= THIS_MODULE,
 		.pm	= &cyttsp_pm_ops,
 	},
 	.probe		= cyttsp_i2c_probe,
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@ -1041,7 +1041,7 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client,
 			     0, tsdata->num_y * 64 - 1, 0, 0);

 	if (!pdata)
-		touchscreen_parse_of_params(input, true);
+		touchscreen_parse_properties(input, true);

 	error = input_mt_init_slots(input, MAX_SUPPORT_POINTS, INPUT_MT_DIRECT);
 	if (error) {
@ -1134,7 +1134,6 @@ MODULE_DEVICE_TABLE(of, edt_ft5x06_of_match);

 static struct i2c_driver edt_ft5x06_ts_driver = {
 	.driver = {
-		.owner = THIS_MODULE,
 		.name = "edt_ft5x06",
 		.of_match_table = of_match_ptr(edt_ft5x06_of_match),
 		.pm = &edt_ft5x06_ts_pm_ops,
--- a/drivers/input/touchscreen/egalax_ts.c
+++ b/drivers/input/touchscreen/egalax_ts.c
@ -264,11 +264,11 @@ static const struct of_device_id egalax_ts_dt_ids[] = {
 	{ .compatible = "eeti,egalax_ts" },
 	{ /* sentinel */ }
 };
+MODULE_DEVICE_TABLE(of, egalax_ts_dt_ids);

 static struct i2c_driver egalax_ts_driver = {
 	.driver = {
 		.name	= "egalax_ts",
-		.owner	= THIS_MODULE,
 		.pm	= &egalax_ts_pm_ops,
 		.of_match_table	= egalax_ts_dt_ids,
 	},
--- a/drivers/input/touchscreen/elants_i2c.c
+++ b/drivers/input/touchscreen/elants_i2c.c
@ -38,6 +38,8 @@
 #include <linux/input/mt.h>
 #include <linux/acpi.h>
 #include <linux/of.h>
+#include <linux/gpio/consumer.h>
+#include <linux/regulator/consumer.h>
 #include <asm/unaligned.h>

 /* Device, Driver information */
@ -102,6 +104,9 @@
 /* calibration timeout definition */
 #define ELAN_CALI_TIMEOUT_MSEC	10000

+#define ELAN_POWERON_DELAY_USEC	500
+#define ELAN_RESET_DELAY_MSEC	20
+
 enum elants_state {
 	ELAN_STATE_NORMAL,
 	ELAN_WAIT_QUEUE_HEADER,
@ -118,6 +123,10 @@ struct elants_data {
 	struct i2c_client *client;
 	struct input_dev *input;

+	struct regulator *vcc33;
+	struct regulator *vccio;
+	struct gpio_desc *reset_gpio;
+
 	u16 fw_version;
 	u8 test_version;
 	u8 solution_version;
@ -141,6 +150,7 @@ struct elants_data {
 	u8 buf[MAX_PACKET_SIZE];

 	bool wake_irq_enabled;
+	bool keep_power_in_suspend;
 };

 static int elants_i2c_send(struct i2c_client *client,
@ -605,6 +615,7 @@ static int elants_i2c_do_update_firmware(struct i2c_client *client,
 	const u8 enter_iap[] = { 0x45, 0x49, 0x41, 0x50 };
 	const u8 enter_iap2[] = { 0x54, 0x00, 0x12, 0x34 };
 	const u8 iap_ack[] = { 0x55, 0xaa, 0x33, 0xcc };
+	const u8 close_idle[] = {0x54, 0x2c, 0x01, 0x01};
 	u8 buf[HEADER_SIZE];
 	u16 send_id;
 	int page, n_fw_pages;
@ -617,8 +628,13 @@ static int elants_i2c_do_update_firmware(struct i2c_client *client,
 	} else {
 		/* Start IAP Procedure */
 		dev_dbg(&client->dev, "Normal IAP procedure\n");
+		/* Close idle mode */
+		error = elants_i2c_send(client, close_idle, sizeof(close_idle));
+		if (error)
+			dev_err(&client->dev, "Failed close idle: %d\n", error);
+		msleep(60);
 		elants_i2c_sw_reset(client);
-
+		msleep(20);
 		error = elants_i2c_send(client, enter_iap, sizeof(enter_iap));
 	}

@ -1052,6 +1068,67 @@ static void elants_i2c_remove_sysfs_group(void *_data)
 	sysfs_remove_group(&ts->client->dev.kobj, &elants_attribute_group);
 }

+static int elants_i2c_power_on(struct elants_data *ts)
+{
+	int error;
+
+	/*
+	 * If we do not have reset gpio assume platform firmware
+	 * controls regulators and does power them on for us.
+	 */
+	if (IS_ERR_OR_NULL(ts->reset_gpio))
+		return 0;
+
+	gpiod_set_value_cansleep(ts->reset_gpio, 1);
+
+	error = regulator_enable(ts->vcc33);
+	if (error) {
+		dev_err(&ts->client->dev,
+			"failed to enable vcc33 regulator: %d\n",
+			error);
+		goto release_reset_gpio;
+	}
+
+	error = regulator_enable(ts->vccio);
+	if (error) {
+		dev_err(&ts->client->dev,
+			"failed to enable vccio regulator: %d\n",
+			error);
+		regulator_disable(ts->vcc33);
+		goto release_reset_gpio;
+	}
+
+	/*
+	 * We need to wait a bit after powering on controller before
+	 * we are allowed to release reset GPIO.
+	 */
+	udelay(ELAN_POWERON_DELAY_USEC);
+
+release_reset_gpio:
+	gpiod_set_value_cansleep(ts->reset_gpio, 0);
+	if (error)
+		return error;
+
+	msleep(ELAN_RESET_DELAY_MSEC);
+
+	return 0;
+}
+
+static void elants_i2c_power_off(void *_data)
+{
+	struct elants_data *ts = _data;
+
+	if (!IS_ERR_OR_NULL(ts->reset_gpio)) {
+		/*
+		 * Activate reset gpio to prevent leakage through the
+		 * pin once we shut off power to the controller.
+		 */
+		gpiod_set_value_cansleep(ts->reset_gpio, 1);
+		regulator_disable(ts->vccio);
+		regulator_disable(ts->vcc33);
+	}
+}
+
 static int elants_i2c_probe(struct i2c_client *client,
 			    const struct i2c_device_id *id)
 {
@ -1066,13 +1143,6 @@ static int elants_i2c_probe(struct i2c_client *client,
 		return -ENXIO;
 	}

-	/* Make sure there is something at this address */
-	if (i2c_smbus_xfer(client->adapter, client->addr, 0,
-			I2C_SMBUS_READ, 0, I2C_SMBUS_BYTE, &dummy) < 0) {
-		dev_err(&client->dev, "nothing at this address\n");
-		return -ENXIO;
-	}
-
 	ts = devm_kzalloc(&client->dev, sizeof(struct elants_data), GFP_KERNEL);
 	if (!ts)
 		return -ENOMEM;
@ -1083,6 +1153,62 @@ static int elants_i2c_probe(struct i2c_client *client,
 	ts->client = client;
 	i2c_set_clientdata(client, ts);

+	ts->vcc33 = devm_regulator_get(&client->dev, "vcc33");
+	if (IS_ERR(ts->vcc33)) {
+		error = PTR_ERR(ts->vcc33);
+		if (error != -EPROBE_DEFER)
+			dev_err(&client->dev,
+				"Failed to get 'vcc33' regulator: %d\n",
+				error);
+		return error;
+	}
+
+	ts->vccio = devm_regulator_get(&client->dev, "vccio");
+	if (IS_ERR(ts->vccio)) {
+		error = PTR_ERR(ts->vccio);
+		if (error != -EPROBE_DEFER)
+			dev_err(&client->dev,
+				"Failed to get 'vccio' regulator: %d\n",
+				error);
+		return error;
+	}
+
+	ts->reset_gpio = devm_gpiod_get(&client->dev, "reset", GPIOD_OUT_LOW);
+	if (IS_ERR(ts->reset_gpio)) {
+		error = PTR_ERR(ts->reset_gpio);
+
+		if (error == -EPROBE_DEFER)
+			return error;
+
+		if (error != -ENOENT && error != -ENOSYS) {
+			dev_err(&client->dev,
+				"failed to get reset gpio: %d\n",
+				error);
+			return error;
+		}
+
+		ts->keep_power_in_suspend = true;
+	}
+
+	error = elants_i2c_power_on(ts);
+	if (error)
+		return error;
+
+	error = devm_add_action(&client->dev, elants_i2c_power_off, ts);
+	if (error) {
+		dev_err(&client->dev,
+			"failed to install power off action: %d\n", error);
+		elants_i2c_power_off(ts);
+		return error;
+	}
+
+	/* Make sure there is something at this address */
+	if (i2c_smbus_xfer(client->adapter, client->addr, 0,
+			   I2C_SMBUS_READ, 0, I2C_SMBUS_BYTE, &dummy) < 0) {
+		dev_err(&client->dev, "nothing at this address\n");
+		return -ENXIO;
+	}
+
 	error = elants_i2c_initialize(ts);
 	if (error) {
 		dev_err(&client->dev, "failed to initialize: %d\n", error);
@ -1190,18 +1316,24 @@ static int __maybe_unused elants_i2c_suspend(struct device *dev)

 	disable_irq(client->irq);

-	for (retry_cnt = 0; retry_cnt < MAX_RETRIES; retry_cnt++) {
-		error = elants_i2c_send(client, set_sleep_cmd,
-					sizeof(set_sleep_cmd));
-		if (!error)
-			break;
+	if (device_may_wakeup(dev) || ts->keep_power_in_suspend) {
+		for (retry_cnt = 0; retry_cnt < MAX_RETRIES; retry_cnt++) {
+			error = elants_i2c_send(client, set_sleep_cmd,
+						sizeof(set_sleep_cmd));
+			if (!error)
+				break;

-		dev_err(&client->dev, "suspend command failed: %d\n", error);
+			dev_err(&client->dev,
+				"suspend command failed: %d\n", error);
+		}
+
+		if (device_may_wakeup(dev))
+			ts->wake_irq_enabled =
+					(enable_irq_wake(client->irq) == 0);
+	} else {
+		elants_i2c_power_off(ts);
 	}

-	if (device_may_wakeup(dev))
-		ts->wake_irq_enabled = (enable_irq_wake(client->irq) == 0);
-
 	return 0;
 }

@ -1216,13 +1348,19 @@ static int __maybe_unused elants_i2c_resume(struct device *dev)
 	if (device_may_wakeup(dev) && ts->wake_irq_enabled)
 		disable_irq_wake(client->irq);

-	for (retry_cnt = 0; retry_cnt < MAX_RETRIES; retry_cnt++) {
-		error = elants_i2c_send(client, set_active_cmd,
-					sizeof(set_active_cmd));
-		if (!error)
-			break;
+	if (ts->keep_power_in_suspend) {
+		for (retry_cnt = 0; retry_cnt < MAX_RETRIES; retry_cnt++) {
+			error = elants_i2c_send(client, set_active_cmd,
+						sizeof(set_active_cmd));
+			if (!error)
+				break;

-		dev_err(&client->dev, "resume command failed: %d\n", error);
+			dev_err(&client->dev,
+				"resume command failed: %d\n", error);
+		}
+	} else {
+		elants_i2c_power_on(ts);
+		elants_i2c_initialize(ts);
 	}

 	ts->state = ELAN_STATE_NORMAL;
@ -1261,10 +1399,10 @@ static struct i2c_driver elants_i2c_driver = {
 	.id_table = elants_i2c_id,
 	.driver = {
 		.name = DEVICE_NAME,
-		.owner = THIS_MODULE,
 		.pm = &elants_i2c_pm_ops,
 		.acpi_match_table = ACPI_PTR(elants_acpi_id),
 		.of_match_table = of_match_ptr(elants_of_match),
+		.probe_type = PROBE_PREFER_ASYNCHRONOUS,
 	},
 };
 module_i2c_driver(elants_i2c_driver);
--- a/drivers/input/touchscreen/goodix.c
+++ b/drivers/input/touchscreen/goodix.c
@ -420,6 +420,7 @@ static const struct i2c_device_id goodix_ts_id[] = {
 	{ "GDIX1001:00", 0 },
 	{ }
 };
+MODULE_DEVICE_TABLE(i2c, goodix_ts_id);

 #ifdef CONFIG_ACPI
 static const struct acpi_device_id goodix_acpi_match[] = {
@ -448,7 +449,6 @@ static struct i2c_driver goodix_ts_driver = {
 	.id_table = goodix_ts_id,
 	.driver = {
 		.name = "Goodix-TS",
-		.owner = THIS_MODULE,
 		.acpi_match_table = ACPI_PTR(goodix_acpi_match),
 		.of_match_table = of_match_ptr(goodix_of_match),
 	},
--- a/drivers/input/touchscreen/ili210x.c
+++ b/drivers/input/touchscreen/ili210x.c
@ -343,7 +343,6 @@ MODULE_DEVICE_TABLE(i2c, ili210x_i2c_id);
 static struct i2c_driver ili210x_ts_driver = {
 	.driver = {
 		.name = "ili210x_i2c",
-		.owner = THIS_MODULE,
 		.pm = &ili210x_i2c_pm,
 	},
 	.id_table = ili210x_i2c_id,
--- a/drivers/input/touchscreen/max11801_ts.c
+++ b/drivers/input/touchscreen/max11801_ts.c
@ -229,7 +229,6 @@ MODULE_DEVICE_TABLE(i2c, max11801_ts_id);
 static struct i2c_driver max11801_ts_driver = {
 	.driver = {
 		.name	= "max11801_ts",
-		.owner	= THIS_MODULE,
 	},
 	.id_table	= max11801_ts_id,
 	.probe		= max11801_ts_probe,
--- a/drivers/input/touchscreen/mms114.c
+++ b/drivers/input/touchscreen/mms114.c
@ -572,12 +572,12 @@ static const struct of_device_id mms114_dt_match[] = {
 	{ .compatible = "melfas,mms114" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, mms114_dt_match);
 #endif

 static struct i2c_driver mms114_driver = {
 	.driver = {
 		.name	= "mms114",
-		.owner	= THIS_MODULE,
 		.pm	= &mms114_pm_ops,
 		.of_match_table = of_match_ptr(mms114_dt_match),
 	},
--- a/drivers/input/touchscreen/of_touchscreen.c
+++ b/drivers/input/touchscreen/of_touchscreen.c
@ -9,12 +9,12 @@
 *
 */

-#include <linux/of.h>
+#include <linux/property.h>
 #include <linux/input.h>
 #include <linux/input/mt.h>
 #include <linux/input/touchscreen.h>

-static bool touchscreen_get_prop_u32(struct device_node *np,
+static bool touchscreen_get_prop_u32(struct device *dev,
 				     const char *property,
 				     unsigned int default_value,
 				     unsigned int *value)
@ -22,7 +22,7 @@ static bool touchscreen_get_prop_u32(struct device_node *np,
 	u32 val;
 	int error;

-	error = of_property_read_u32(np, property, &val);
+	error = device_property_read_u32(dev, property, &val);
 	if (error) {
 		*value = default_value;
 		return false;
@ -39,13 +39,9 @@ static void touchscreen_set_params(struct input_dev *dev,
 	struct input_absinfo *absinfo;

 	if (!test_bit(axis, dev->absbit)) {
-		/*
-		 * Emit a warning only if the axis is not a multitouch
-		 * axis, which might not be set by the driver.
-		 */
-		if (!input_is_mt_axis(axis))
-			dev_warn(&dev->dev,
-				 "DT specifies parameters but the axis is not set up\n");
+		dev_warn(&dev->dev,
+			 "DT specifies parameters but the axis %lu is not set up\n",
+			 axis);
 		return;
 	}

@ -55,52 +51,58 @@ static void touchscreen_set_params(struct input_dev *dev,
 }

 /**
- * touchscreen_parse_of_params - parse common touchscreen DT properties
- * @dev: device that should be parsed
+ * touchscreen_parse_properties - parse common touchscreen DT properties
+ * @input: input device that should be parsed
+ * @multitouch: specifies whether parsed properties should be applied to
+ *	single-touch or multi-touch axes
 *
 * This function parses common DT properties for touchscreens and setups the
- * input device accordingly. The function keeps previously setuped default
+ * input device accordingly. The function keeps previously set up default
 * values if no value is specified via DT.
 */
-void touchscreen_parse_of_params(struct input_dev *dev, bool multitouch)
+void touchscreen_parse_properties(struct input_dev *input, bool multitouch)
 {
-	struct device_node *np = dev->dev.parent->of_node;
+	struct device *dev = input->dev.parent;
 	unsigned int axis;
 	unsigned int maximum, fuzz;
 	bool data_present;

-	input_alloc_absinfo(dev);
-	if (!dev->absinfo)
+	input_alloc_absinfo(input);
+	if (!input->absinfo)
 		return;

 	axis = multitouch ? ABS_MT_POSITION_X : ABS_X;
-	data_present = touchscreen_get_prop_u32(np, "touchscreen-size-x",
-						input_abs_get_max(dev, axis),
+	data_present = touchscreen_get_prop_u32(dev, "touchscreen-size-x",
+						input_abs_get_max(input,
+								  axis) + 1,
 						&maximum) |
-		       touchscreen_get_prop_u32(np, "touchscreen-fuzz-x",
-						input_abs_get_fuzz(dev, axis),
+		       touchscreen_get_prop_u32(dev, "touchscreen-fuzz-x",
+						input_abs_get_fuzz(input, axis),
 						&fuzz);
 	if (data_present)
-		touchscreen_set_params(dev, axis, maximum, fuzz);
+		touchscreen_set_params(input, axis, maximum - 1, fuzz);

 	axis = multitouch ? ABS_MT_POSITION_Y : ABS_Y;
-	data_present = touchscreen_get_prop_u32(np, "touchscreen-size-y",
-						input_abs_get_max(dev, axis),
+	data_present = touchscreen_get_prop_u32(dev, "touchscreen-size-y",
+						input_abs_get_max(input,
+								  axis) + 1,
 						&maximum) |
-		       touchscreen_get_prop_u32(np, "touchscreen-fuzz-y",
-						input_abs_get_fuzz(dev, axis),
+		       touchscreen_get_prop_u32(dev, "touchscreen-fuzz-y",
+						input_abs_get_fuzz(input, axis),
 						&fuzz);
 	if (data_present)
-		touchscreen_set_params(dev, axis, maximum, fuzz);
+		touchscreen_set_params(input, axis, maximum - 1, fuzz);

 	axis = multitouch ? ABS_MT_PRESSURE : ABS_PRESSURE;
-	data_present = touchscreen_get_prop_u32(np, "touchscreen-max-pressure",
-						input_abs_get_max(dev, axis),
+	data_present = touchscreen_get_prop_u32(dev,
+						"touchscreen-max-pressure",
+						input_abs_get_max(input, axis),
 						&maximum) |
-		       touchscreen_get_prop_u32(np, "touchscreen-fuzz-pressure",
-						input_abs_get_fuzz(dev, axis),
+		       touchscreen_get_prop_u32(dev,
+						"touchscreen-fuzz-pressure",
+						input_abs_get_fuzz(input, axis),
 						&fuzz);
 	if (data_present)
-		touchscreen_set_params(dev, axis, maximum, fuzz);
+		touchscreen_set_params(input, axis, maximum, fuzz);
 }
-EXPORT_SYMBOL(touchscreen_parse_of_params);
+EXPORT_SYMBOL(touchscreen_parse_properties);
--- a/drivers/input/touchscreen/pixcir_i2c_ts.c
+++ b/drivers/input/touchscreen/pixcir_i2c_ts.c
@ -24,20 +24,23 @@
 #include <linux/i2c.h>
 #include <linux/input.h>
 #include <linux/input/mt.h>
-#include <linux/input/pixcir_ts.h>
+#include <linux/input/touchscreen.h>
 #include <linux/gpio.h>
-#include <linux/of.h>
-#include <linux/of_gpio.h>
+#include <linux/gpio/consumer.h>
+/*#include <linux/of.h>*/
 #include <linux/of_device.h>
+#include <linux/platform_data/pixcir_i2c_ts.h>

 #define PIXCIR_MAX_SLOTS       5 /* Max fingers supported by driver */

 struct pixcir_i2c_ts_data {
 	struct i2c_client *client;
 	struct input_dev *input;
-	const struct pixcir_ts_platform_data *pdata;
-	bool running;
+	struct gpio_desc *gpio_attb;
+	struct gpio_desc *gpio_reset;
+	const struct pixcir_i2c_chip_data *chip;
 	int max_fingers;	/* Max fingers supported in this instance */
+	bool running;
 };

 struct pixcir_touch {
@ -60,7 +63,7 @@ static void pixcir_ts_parse(struct pixcir_i2c_ts_data *tsdata,
 	u8 touch;
 	int ret, i;
 	int readsize;
-	const struct pixcir_i2c_chip_data *chip = &tsdata->pdata->chip;
+	const struct pixcir_i2c_chip_data *chip = tsdata->chip;

 	memset(report, 0, sizeof(struct pixcir_report_data));

@ -113,13 +116,13 @@ static void pixcir_ts_report(struct pixcir_i2c_ts_data *ts,
 	struct pixcir_touch *touch;
 	int n, i, slot;
 	struct device *dev = &ts->client->dev;
-	const struct pixcir_i2c_chip_data *chip = &ts->pdata->chip;
+	const struct pixcir_i2c_chip_data *chip = ts->chip;

 	n = report->num_touches;
 	if (n > PIXCIR_MAX_SLOTS)
 		n = PIXCIR_MAX_SLOTS;

-	if (!chip->has_hw_ids) {
+	if (!ts->chip->has_hw_ids) {
 		for (i = 0; i < n; i++) {
 			touch = &report->touches[i];
 			pos[i].x = touch->x;
@ -161,7 +164,6 @@ static void pixcir_ts_report(struct pixcir_i2c_ts_data *ts,
 static irqreturn_t pixcir_ts_isr(int irq, void *dev_id)
 {
 	struct pixcir_i2c_ts_data *tsdata = dev_id;
-	const struct pixcir_ts_platform_data *pdata = tsdata->pdata;
 	struct pixcir_report_data report;

 	while (tsdata->running) {
@ -171,7 +173,7 @@ static irqreturn_t pixcir_ts_isr(int irq, void *dev_id)
 		/* report it */
 		pixcir_ts_report(tsdata, &report);

-		if (gpio_get_value(pdata->gpio_attb)) {
+		if (gpiod_get_value_cansleep(tsdata->gpio_attb)) {
 			if (report.num_touches) {
 				/*
 				 * Last report with no finger up?
@ -189,6 +191,17 @@ static irqreturn_t pixcir_ts_isr(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }

+static void pixcir_reset(struct pixcir_i2c_ts_data *tsdata)
+{
+	if (!IS_ERR_OR_NULL(tsdata->gpio_reset)) {
+		gpiod_set_value_cansleep(tsdata->gpio_reset, 1);
+		ndelay(100);	/* datasheet section 1.2.3 says 80ns min. */
+		gpiod_set_value_cansleep(tsdata->gpio_reset, 0);
+		/* wait for controller ready. 100ms guess. */
+		msleep(100);
+	}
+}
+
 static int pixcir_set_power_mode(struct pixcir_i2c_ts_data *ts,
 				 enum pixcir_power_mode mode)
 {
@ -411,85 +424,59 @@ static SIMPLE_DEV_PM_OPS(pixcir_dev_pm_ops,
 #ifdef CONFIG_OF
 static const struct of_device_id pixcir_of_match[];

-static struct pixcir_ts_platform_data *pixcir_parse_dt(struct device *dev)
+static int pixcir_parse_dt(struct device *dev,
+			   struct pixcir_i2c_ts_data *tsdata)
 {
-	struct pixcir_ts_platform_data *pdata;
-	struct device_node *np = dev->of_node;
 	const struct of_device_id *match;

 	match = of_match_device(of_match_ptr(pixcir_of_match), dev);
 	if (!match)
-		return ERR_PTR(-EINVAL);
+		return -EINVAL;

-	pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
-	if (!pdata)
-		return ERR_PTR(-ENOMEM);
+	tsdata->chip = (const struct pixcir_i2c_chip_data *)match->data;
+	if (!tsdata->chip)
+		return -EINVAL;

-	pdata->chip = *(const struct pixcir_i2c_chip_data *)match->data;
-
-	pdata->gpio_attb = of_get_named_gpio(np, "attb-gpio", 0);
-	/* gpio_attb validity is checked in probe */
-
-	if (of_property_read_u32(np, "touchscreen-size-x", &pdata->x_max)) {
-		dev_err(dev, "Failed to get touchscreen-size-x property\n");
-		return ERR_PTR(-EINVAL);
-	}
-	pdata->x_max -= 1;
-
-	if (of_property_read_u32(np, "touchscreen-size-y", &pdata->y_max)) {
-		dev_err(dev, "Failed to get touchscreen-size-y property\n");
-		return ERR_PTR(-EINVAL);
-	}
-	pdata->y_max -= 1;
-
-	dev_dbg(dev, "%s: x %d, y %d, gpio %d\n", __func__,
-		pdata->x_max + 1, pdata->y_max + 1, pdata->gpio_attb);
-
-	return pdata;
+	return 0;
 }
 #else
-static struct pixcir_ts_platform_data *pixcir_parse_dt(struct device *dev)
+static int pixcir_parse_dt(struct device *dev,
+			   struct pixcir_i2c_ts_data *tsdata)
 {
-	return ERR_PTR(-EINVAL);
+	return -EINVAL;
 }
 #endif

 static int pixcir_i2c_ts_probe(struct i2c_client *client,
-					 const struct i2c_device_id *id)
+			       const struct i2c_device_id *id)
 {
 	const struct pixcir_ts_platform_data *pdata =
 			dev_get_platdata(&client->dev);
 	struct device *dev = &client->dev;
-	struct device_node *np = dev->of_node;
 	struct pixcir_i2c_ts_data *tsdata;
 	struct input_dev *input;
 	int error;

-	if (np && !pdata) {
-		pdata = pixcir_parse_dt(dev);
-		if (IS_ERR(pdata))
-			return PTR_ERR(pdata);
-	}
+	tsdata = devm_kzalloc(dev, sizeof(*tsdata), GFP_KERNEL);
+	if (!tsdata)
+		return -ENOMEM;

-	if (!pdata) {
+	if (pdata) {
+		tsdata->chip = &pdata->chip;
+	} else if (dev->of_node) {
+		error = pixcir_parse_dt(dev, tsdata);
+		if (error)
+			return error;
+	} else {
 		dev_err(&client->dev, "platform data not defined\n");
 		return -EINVAL;
 	}

-	if (!gpio_is_valid(pdata->gpio_attb)) {
-		dev_err(dev, "Invalid gpio_attb in pdata\n");
+	if (!tsdata->chip->max_fingers) {
+		dev_err(dev, "Invalid max_fingers in chip data\n");
 		return -EINVAL;
 	}

-	if (!pdata->chip.max_fingers) {
-		dev_err(dev, "Invalid max_fingers in pdata\n");
-		return -EINVAL;
-	}
-
-	tsdata = devm_kzalloc(dev, sizeof(*tsdata), GFP_KERNEL);
-	if (!tsdata)
-		return -ENOMEM;
-
 	input = devm_input_allocate_device(dev);
 	if (!input) {
 		dev_err(dev, "Failed to allocate input device\n");
@ -498,7 +485,6 @@ static int pixcir_i2c_ts_probe(struct i2c_client *client,

 	tsdata->client = client;
 	tsdata->input = input;
-	tsdata->pdata = pdata;

 	input->name = client->name;
 	input->id.bustype = BUS_I2C;
@ -506,15 +492,21 @@ static int pixcir_i2c_ts_probe(struct i2c_client *client,
 	input->close = pixcir_input_close;
 	input->dev.parent = &client->dev;

-	__set_bit(EV_KEY, input->evbit);
-	__set_bit(EV_ABS, input->evbit);
-	__set_bit(BTN_TOUCH, input->keybit);
-	input_set_abs_params(input, ABS_X, 0, pdata->x_max, 0, 0);
-	input_set_abs_params(input, ABS_Y, 0, pdata->y_max, 0, 0);
-	input_set_abs_params(input, ABS_MT_POSITION_X, 0, pdata->x_max, 0, 0);
-	input_set_abs_params(input, ABS_MT_POSITION_Y, 0, pdata->y_max, 0, 0);
+	if (pdata) {
+		input_set_abs_params(input, ABS_MT_POSITION_X, 0, pdata->x_max, 0, 0);
+		input_set_abs_params(input, ABS_MT_POSITION_Y, 0, pdata->y_max, 0, 0);
+	} else {
+		input_set_capability(input, EV_ABS, ABS_MT_POSITION_X);
+		input_set_capability(input, EV_ABS, ABS_MT_POSITION_Y);
+		touchscreen_parse_properties(input, true);
+		if (!input_abs_get_max(input, ABS_MT_POSITION_X) ||
+		    !input_abs_get_max(input, ABS_MT_POSITION_Y)) {
+			dev_err(dev, "Touchscreen size is not specified\n");
+			return -EINVAL;
+		}
+	}

-	tsdata->max_fingers = tsdata->pdata->chip.max_fingers;
+	tsdata->max_fingers = tsdata->chip->max_fingers;
 	if (tsdata->max_fingers > PIXCIR_MAX_SLOTS) {
 		tsdata->max_fingers = PIXCIR_MAX_SLOTS;
 		dev_info(dev, "Limiting maximum fingers to %d\n",
@ -530,10 +522,18 @@ static int pixcir_i2c_ts_probe(struct i2c_client *client,

 	input_set_drvdata(input, tsdata);

-	error = devm_gpio_request_one(dev, pdata->gpio_attb,
-				      GPIOF_DIR_IN, "pixcir_i2c_attb");
-	if (error) {
-		dev_err(dev, "Failed to request ATTB gpio\n");
+	tsdata->gpio_attb = devm_gpiod_get(dev, "attb", GPIOD_IN);
+	if (IS_ERR(tsdata->gpio_attb)) {
+		error = PTR_ERR(tsdata->gpio_attb);
+		dev_err(dev, "Failed to request ATTB gpio: %d\n", error);
+		return error;
+	}
+
+	tsdata->gpio_reset = devm_gpiod_get_optional(dev, "reset",
+						     GPIOD_OUT_LOW);
+	if (IS_ERR(tsdata->gpio_reset)) {
+		error = PTR_ERR(tsdata->gpio_reset);
+		dev_err(dev, "Failed to request RESET gpio: %d\n", error);
 		return error;
 	}

@ -545,6 +545,8 @@ static int pixcir_i2c_ts_probe(struct i2c_client *client,
 		return error;
 	}

+	pixcir_reset(tsdata);
+
 	/* Always be in IDLE mode to save power, device supports auto wake */
 	error = pixcir_set_power_mode(tsdata, PIXCIR_POWER_IDLE);
 	if (error) {
@ -602,7 +604,6 @@ MODULE_DEVICE_TABLE(of, pixcir_of_match);

 static struct i2c_driver pixcir_i2c_ts_driver = {
 	.driver = {
-		.owner	= THIS_MODULE,
 		.name	= "pixcir_ts",
 		.pm	= &pixcir_dev_pm_ops,
 		.of_match_table = of_match_ptr(pixcir_of_match),
--- a/drivers/input/touchscreen/st1232.c
+++ b/drivers/input/touchscreen/st1232.c
@ -296,7 +296,6 @@ static struct i2c_driver st1232_ts_driver = {
 	.id_table	= st1232_ts_id,
 	.driver = {
 		.name	= ST1232_TS_NAME,
-		.owner	= THIS_MODULE,
 		.of_match_table = of_match_ptr(st1232_ts_dt_ids),
 		.pm	= &st1232_ts_pm_ops,
 	},
--- a/drivers/input/touchscreen/sur40.c
+++ b/drivers/input/touchscreen/sur40.c
@ -581,6 +581,7 @@ static int sur40_probe(struct usb_interface *interface,
 	sur40->alloc_ctx = vb2_dma_sg_init_ctx(sur40->dev);
 	if (IS_ERR(sur40->alloc_ctx)) {
 		dev_err(sur40->dev, "Can't allocate buffer context");
+		error = PTR_ERR(sur40->alloc_ctx);
 		goto err_unreg_v4l2;
 	}

--- a/drivers/input/touchscreen/tsc2005.c
+++ b/drivers/input/touchscreen/tsc2005.c
@ -30,10 +30,11 @@
 #include <linux/delay.h>
 #include <linux/pm.h>
 #include <linux/of.h>
-#include <linux/of_gpio.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/tsc2005.h>
 #include <linux/regulator/consumer.h>
+#include <linux/regmap.h>
+#include <linux/gpio/consumer.h>

 /*
 * The touchscreen interface operates as follows:
@ -61,16 +62,24 @@
 #define TSC2005_CMD_12BIT		0x04

 /* control byte 0 */
-#define TSC2005_REG_READ		0x0001
-#define TSC2005_REG_PND0		0x0002
-#define TSC2005_REG_X			0x0000
-#define TSC2005_REG_Y			0x0008
-#define TSC2005_REG_Z1			0x0010
-#define TSC2005_REG_Z2			0x0018
-#define TSC2005_REG_TEMP_HIGH		0x0050
-#define TSC2005_REG_CFR0		0x0060
-#define TSC2005_REG_CFR1		0x0068
-#define TSC2005_REG_CFR2		0x0070
+#define TSC2005_REG_READ		0x01 /* R/W access */
+#define TSC2005_REG_PND0		0x02 /* Power Not Down Control */
+#define TSC2005_REG_X			(0x0 << 3)
+#define TSC2005_REG_Y			(0x1 << 3)
+#define TSC2005_REG_Z1			(0x2 << 3)
+#define TSC2005_REG_Z2			(0x3 << 3)
+#define TSC2005_REG_AUX			(0x4 << 3)
+#define TSC2005_REG_TEMP1		(0x5 << 3)
+#define TSC2005_REG_TEMP2		(0x6 << 3)
+#define TSC2005_REG_STATUS		(0x7 << 3)
+#define TSC2005_REG_AUX_HIGH		(0x8 << 3)
+#define TSC2005_REG_AUX_LOW		(0x9 << 3)
+#define TSC2005_REG_TEMP_HIGH		(0xA << 3)
+#define TSC2005_REG_TEMP_LOW		(0xB << 3)
+#define TSC2005_REG_CFR0		(0xC << 3)
+#define TSC2005_REG_CFR1		(0xD << 3)
+#define TSC2005_REG_CFR2		(0xE << 3)
+#define TSC2005_REG_CONV_FUNC		(0xF << 3)

 /* configuration register 0 */
 #define TSC2005_CFR0_PRECHARGE_276US	0x0040
@ -112,20 +121,37 @@
 #define TSC2005_SPI_MAX_SPEED_HZ	10000000
 #define TSC2005_PENUP_TIME_MS		40

-struct tsc2005_spi_rd {
-	struct spi_transfer	spi_xfer;
-	u32			spi_tx;
-	u32			spi_rx;
+static const struct regmap_range tsc2005_writable_ranges[] = {
+	regmap_reg_range(TSC2005_REG_AUX_HIGH, TSC2005_REG_CFR2),
 };

+static const struct regmap_access_table tsc2005_writable_table = {
+	.yes_ranges = tsc2005_writable_ranges,
+	.n_yes_ranges = ARRAY_SIZE(tsc2005_writable_ranges),
+};
+
+static struct regmap_config tsc2005_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 16,
+	.reg_stride = 0x08,
+	.max_register = 0x78,
+	.read_flag_mask = TSC2005_REG_READ,
+	.write_flag_mask = TSC2005_REG_PND0,
+	.wr_table = &tsc2005_writable_table,
+	.use_single_rw = true,
+};
+
+struct tsc2005_data {
+	u16 x;
+	u16 y;
+	u16 z1;
+	u16 z2;
+} __packed;
+#define TSC2005_DATA_REGS 4
+
 struct tsc2005 {
 	struct spi_device	*spi;
-
-	struct spi_message      spi_read_msg;
-	struct tsc2005_spi_rd	spi_x;
-	struct tsc2005_spi_rd	spi_y;
-	struct tsc2005_spi_rd	spi_z1;
-	struct tsc2005_spi_rd	spi_z2;
+	struct regmap		*regmap;

 	struct input_dev	*idev;
 	char			phys[32];
@ -154,7 +180,7 @@ struct tsc2005 {

 	struct regulator	*vio;

-	int			reset_gpio;
+	struct gpio_desc	*reset_gpio;
 	void			(*set_reset)(bool enable);
 };

@ -182,62 +208,6 @@ static int tsc2005_cmd(struct tsc2005 *ts, u8 cmd)
 	return 0;
 }

-static int tsc2005_write(struct tsc2005 *ts, u8 reg, u16 value)
-{
-	u32 tx = ((reg | TSC2005_REG_PND0) << 16) | value;
-	struct spi_transfer xfer = {
-		.tx_buf		= &tx,
-		.len		= 4,
-		.bits_per_word	= 24,
-	};
-	struct spi_message msg;
-	int error;
-
-	spi_message_init(&msg);
-	spi_message_add_tail(&xfer, &msg);
-
-	error = spi_sync(ts->spi, &msg);
-	if (error) {
-		dev_err(&ts->spi->dev,
-			"%s: failed, register: %x, value: %x, error: %d\n",
-			__func__, reg, value, error);
-		return error;
-	}
-
-	return 0;
-}
-
-static void tsc2005_setup_read(struct tsc2005_spi_rd *rd, u8 reg, bool last)
-{
-	memset(rd, 0, sizeof(*rd));
-
-	rd->spi_tx		   = (reg | TSC2005_REG_READ) << 16;
-	rd->spi_xfer.tx_buf	   = &rd->spi_tx;
-	rd->spi_xfer.rx_buf	   = &rd->spi_rx;
-	rd->spi_xfer.len	   = 4;
-	rd->spi_xfer.bits_per_word = 24;
-	rd->spi_xfer.cs_change	   = !last;
-}
-
-static int tsc2005_read(struct tsc2005 *ts, u8 reg, u16 *value)
-{
-	struct tsc2005_spi_rd spi_rd;
-	struct spi_message msg;
-	int error;
-
-	tsc2005_setup_read(&spi_rd, reg, true);
-
-	spi_message_init(&msg);
-	spi_message_add_tail(&spi_rd.spi_xfer, &msg);
-
-	error = spi_sync(ts->spi, &msg);
-	if (error)
-		return error;
-
-	*value = spi_rd.spi_rx;
-	return 0;
-}
-
 static void tsc2005_update_pen_state(struct tsc2005 *ts,
 				     int x, int y, int pressure)
 {
@ -266,26 +236,23 @@ static irqreturn_t tsc2005_irq_thread(int irq, void *_ts)
 	struct tsc2005 *ts = _ts;
 	unsigned long flags;
 	unsigned int pressure;
-	u32 x, y;
-	u32 z1, z2;
+	struct tsc2005_data tsdata;
 	int error;

 	/* read the coordinates */
-	error = spi_sync(ts->spi, &ts->spi_read_msg);
+	error = regmap_bulk_read(ts->regmap, TSC2005_REG_X, &tsdata,
+				 TSC2005_DATA_REGS);
 	if (unlikely(error))
 		goto out;

-	x = ts->spi_x.spi_rx;
-	y = ts->spi_y.spi_rx;
-	z1 = ts->spi_z1.spi_rx;
-	z2 = ts->spi_z2.spi_rx;
-
 	/* validate position */
-	if (unlikely(x > MAX_12BIT || y > MAX_12BIT))
+	if (unlikely(tsdata.x > MAX_12BIT || tsdata.y > MAX_12BIT))
 		goto out;

 	/* Skip reading if the pressure components are out of range */
-	if (unlikely(z1 == 0 || z2 > MAX_12BIT || z1 >= z2))
+	if (unlikely(tsdata.z1 == 0 || tsdata.z2 > MAX_12BIT))
+		goto out;
+	if (unlikely(tsdata.z1 >= tsdata.z2))
 		goto out;

       /*
@ -293,8 +260,8 @@ static irqreturn_t tsc2005_irq_thread(int irq, void *_ts)
 	* the value before pen-up - that implies SPI fed us stale data
 	*/
 	if (!ts->pen_down &&
-	    ts->in_x == x && ts->in_y == y &&
-	    ts->in_z1 == z1 && ts->in_z2 == z2) {
+	    ts->in_x == tsdata.x && ts->in_y == tsdata.y &&
+	    ts->in_z1 == tsdata.z1 && ts->in_z2 == tsdata.z2) {
 		goto out;
 	}

@ -302,20 +269,20 @@ static irqreturn_t tsc2005_irq_thread(int irq, void *_ts)
 	 * At this point we are happy we have a valid and useful reading.
 	 * Remember it for later comparisons. We may now begin downsampling.
 	 */
-	ts->in_x = x;
-	ts->in_y = y;
-	ts->in_z1 = z1;
-	ts->in_z2 = z2;
+	ts->in_x = tsdata.x;
+	ts->in_y = tsdata.y;
+	ts->in_z1 = tsdata.z1;
+	ts->in_z2 = tsdata.z2;

 	/* Compute touch pressure resistance using equation #1 */
-	pressure = x * (z2 - z1) / z1;
+	pressure = tsdata.x * (tsdata.z2 - tsdata.z1) / tsdata.z1;
 	pressure = pressure * ts->x_plate_ohm / 4096;
 	if (unlikely(pressure > MAX_12BIT))
 		goto out;

 	spin_lock_irqsave(&ts->lock, flags);

-	tsc2005_update_pen_state(ts, x, y, pressure);
+	tsc2005_update_pen_state(ts, tsdata.x, tsdata.y, pressure);
 	mod_timer(&ts->penup_timer,
 		  jiffies + msecs_to_jiffies(TSC2005_PENUP_TIME_MS));

@ -338,9 +305,9 @@ static void tsc2005_penup_timer(unsigned long data)

 static void tsc2005_start_scan(struct tsc2005 *ts)
 {
-	tsc2005_write(ts, TSC2005_REG_CFR0, TSC2005_CFR0_INITVALUE);
-	tsc2005_write(ts, TSC2005_REG_CFR1, TSC2005_CFR1_INITVALUE);
-	tsc2005_write(ts, TSC2005_REG_CFR2, TSC2005_CFR2_INITVALUE);
+	regmap_write(ts->regmap, TSC2005_REG_CFR0, TSC2005_CFR0_INITVALUE);
+	regmap_write(ts->regmap, TSC2005_REG_CFR1, TSC2005_CFR1_INITVALUE);
+	regmap_write(ts->regmap, TSC2005_REG_CFR2, TSC2005_CFR2_INITVALUE);
 	tsc2005_cmd(ts, TSC2005_CMD_NORMAL);
 }

@ -351,8 +318,8 @@ static void tsc2005_stop_scan(struct tsc2005 *ts)

 static void tsc2005_set_reset(struct tsc2005 *ts, bool enable)
 {
-	if (ts->reset_gpio >= 0)
-		gpio_set_value(ts->reset_gpio, enable);
+	if (ts->reset_gpio)
+		gpiod_set_value_cansleep(ts->reset_gpio, enable);
 	else if (ts->set_reset)
 		ts->set_reset(enable);
 }
@ -388,11 +355,10 @@ static ssize_t tsc2005_selftest_show(struct device *dev,
 				     struct device_attribute *attr,
 				     char *buf)
 {
-	struct spi_device *spi = to_spi_device(dev);
-	struct tsc2005 *ts = spi_get_drvdata(spi);
-	u16 temp_high;
-	u16 temp_high_orig;
-	u16 temp_high_test;
+	struct tsc2005 *ts = dev_get_drvdata(dev);
+	unsigned int temp_high;
+	unsigned int temp_high_orig;
+	unsigned int temp_high_test;
 	bool success = true;
 	int error;

@ -403,7 +369,7 @@ static ssize_t tsc2005_selftest_show(struct device *dev,
 	 */
 	__tsc2005_disable(ts);

-	error = tsc2005_read(ts, TSC2005_REG_TEMP_HIGH, &temp_high_orig);
+	error = regmap_read(ts->regmap, TSC2005_REG_TEMP_HIGH, &temp_high_orig);
 	if (error) {
 		dev_warn(dev, "selftest failed: read error %d\n", error);
 		success = false;
@ -412,14 +378,14 @@ static ssize_t tsc2005_selftest_show(struct device *dev,

 	temp_high_test = (temp_high_orig - 1) & MAX_12BIT;

-	error = tsc2005_write(ts, TSC2005_REG_TEMP_HIGH, temp_high_test);
+	error = regmap_write(ts->regmap, TSC2005_REG_TEMP_HIGH, temp_high_test);
 	if (error) {
 		dev_warn(dev, "selftest failed: write error %d\n", error);
 		success = false;
 		goto out;
 	}

-	error = tsc2005_read(ts, TSC2005_REG_TEMP_HIGH, &temp_high);
+	error = regmap_read(ts->regmap, TSC2005_REG_TEMP_HIGH, &temp_high);
 	if (error) {
 		dev_warn(dev, "selftest failed: read error %d after write\n",
 			 error);
@ -442,7 +408,7 @@ static ssize_t tsc2005_selftest_show(struct device *dev,
 		goto out;

 	/* test that the reset really happened */
-	error = tsc2005_read(ts, TSC2005_REG_TEMP_HIGH, &temp_high);
+	error = regmap_read(ts->regmap, TSC2005_REG_TEMP_HIGH, &temp_high);
 	if (error) {
 		dev_warn(dev, "selftest failed: read error %d after reset\n",
 			 error);
@ -474,8 +440,7 @@ static umode_t tsc2005_attr_is_visible(struct kobject *kobj,
 				      struct attribute *attr, int n)
 {
 	struct device *dev = container_of(kobj, struct device, kobj);
-	struct spi_device *spi = to_spi_device(dev);
-	struct tsc2005 *ts = spi_get_drvdata(spi);
+	struct tsc2005 *ts = dev_get_drvdata(dev);
 	umode_t mode = attr->mode;

 	if (attr == &dev_attr_selftest.attr) {
@ -495,7 +460,7 @@ static void tsc2005_esd_work(struct work_struct *work)
 {
 	struct tsc2005 *ts = container_of(work, struct tsc2005, esd_work.work);
 	int error;
-	u16 r;
+	unsigned int r;

 	if (!mutex_trylock(&ts->mutex)) {
 		/*
@ -511,7 +476,7 @@ static void tsc2005_esd_work(struct work_struct *work)
 		goto out;

 	/* We should be able to read register without disabling interrupts. */
-	error = tsc2005_read(ts, TSC2005_REG_CFR0, &r);
+	error = regmap_read(ts->regmap, TSC2005_REG_CFR0, &r);
 	if (!error &&
 	    !((r ^ TSC2005_CFR0_INITVALUE) & TSC2005_CFR0_RW_MASK)) {
 		goto out;
@ -575,20 +540,6 @@ static void tsc2005_close(struct input_dev *input)
 	mutex_unlock(&ts->mutex);
 }

-static void tsc2005_setup_spi_xfer(struct tsc2005 *ts)
-{
-	tsc2005_setup_read(&ts->spi_x, TSC2005_REG_X, false);
-	tsc2005_setup_read(&ts->spi_y, TSC2005_REG_Y, false);
-	tsc2005_setup_read(&ts->spi_z1, TSC2005_REG_Z1, false);
-	tsc2005_setup_read(&ts->spi_z2, TSC2005_REG_Z2, true);
-
-	spi_message_init(&ts->spi_read_msg);
-	spi_message_add_tail(&ts->spi_x.spi_xfer, &ts->spi_read_msg);
-	spi_message_add_tail(&ts->spi_y.spi_xfer, &ts->spi_read_msg);
-	spi_message_add_tail(&ts->spi_z1.spi_xfer, &ts->spi_read_msg);
-	spi_message_add_tail(&ts->spi_z2.spi_xfer, &ts->spi_read_msg);
-}
-
 static int tsc2005_probe(struct spi_device *spi)
 {
 	const struct tsc2005_platform_data *pdata = dev_get_platdata(&spi->dev);
@ -653,38 +604,31 @@ static int tsc2005_probe(struct spi_device *spi)
 	ts->spi = spi;
 	ts->idev = input_dev;

+	ts->regmap = devm_regmap_init_spi(spi, &tsc2005_regmap_config);
+	if (IS_ERR(ts->regmap))
+		return PTR_ERR(ts->regmap);
+
 	ts->x_plate_ohm = x_plate_ohm;
 	ts->esd_timeout = esd_timeout;

-	if (np) {
-		ts->reset_gpio = of_get_named_gpio(np, "reset-gpios", 0);
-		if (ts->reset_gpio == -EPROBE_DEFER)
-			return ts->reset_gpio;
-		if (ts->reset_gpio < 0) {
-			dev_err(&spi->dev, "error acquiring reset gpio: %d\n",
-				ts->reset_gpio);
-			return ts->reset_gpio;
-		}
-
-		error = devm_gpio_request_one(&spi->dev, ts->reset_gpio, 0,
-					      "reset-gpios");
-		if (error) {
-			dev_err(&spi->dev, "error requesting reset gpio: %d\n",
-				error);
-			return error;
-		}
-
-		ts->vio = devm_regulator_get(&spi->dev, "vio");
-		if (IS_ERR(ts->vio)) {
-			error = PTR_ERR(ts->vio);
-			dev_err(&spi->dev, "vio regulator missing (%d)", error);
-			return error;
-		}
-	} else {
-		ts->reset_gpio = -1;
-		ts->set_reset = pdata->set_reset;
+	ts->reset_gpio = devm_gpiod_get_optional(&spi->dev, "reset",
+						 GPIOD_OUT_HIGH);
+	if (IS_ERR(ts->reset_gpio)) {
+		error = PTR_ERR(ts->reset_gpio);
+		dev_err(&spi->dev, "error acquiring reset gpio: %d\n", error);
+		return error;
 	}

+	ts->vio = devm_regulator_get_optional(&spi->dev, "vio");
+	if (IS_ERR(ts->vio)) {
+		error = PTR_ERR(ts->vio);
+		dev_err(&spi->dev, "vio regulator missing (%d)", error);
+		return error;
+	}
+
+	if (!ts->reset_gpio && pdata)
+		ts->set_reset = pdata->set_reset;
+
 	mutex_init(&ts->mutex);

 	spin_lock_init(&ts->lock);
@ -692,8 +636,6 @@ static int tsc2005_probe(struct spi_device *spi)

 	INIT_DELAYED_WORK(&ts->esd_work, tsc2005_esd_work);

-	tsc2005_setup_spi_xfer(ts);
-
 	snprintf(ts->phys, sizeof(ts->phys),
 		 "%s/input-ts", dev_name(&spi->dev));

@ -709,7 +651,7 @@ static int tsc2005_probe(struct spi_device *spi)
 	input_set_abs_params(input_dev, ABS_PRESSURE, 0, max_p, fudge_p, 0);

 	if (np)
-		touchscreen_parse_of_params(input_dev, false);
+		touchscreen_parse_properties(input_dev, false);

 	input_dev->open = tsc2005_open;
 	input_dev->close = tsc2005_close;
@ -735,7 +677,7 @@ static int tsc2005_probe(struct spi_device *spi)
 			return error;
 	}

-	spi_set_drvdata(spi, ts);
+	dev_set_drvdata(&spi->dev, ts);
 	error = sysfs_create_group(&spi->dev.kobj, &tsc2005_attr_group);
 	if (error) {
 		dev_err(&spi->dev,
@ -763,7 +705,7 @@ disable_regulator:

 static int tsc2005_remove(struct spi_device *spi)
 {
-	struct tsc2005 *ts = spi_get_drvdata(spi);
+	struct tsc2005 *ts = dev_get_drvdata(&spi->dev);

 	sysfs_remove_group(&spi->dev.kobj, &tsc2005_attr_group);

@ -775,8 +717,7 @@ static int tsc2005_remove(struct spi_device *spi)

 static int __maybe_unused tsc2005_suspend(struct device *dev)
 {
-	struct spi_device *spi = to_spi_device(dev);
-	struct tsc2005 *ts = spi_get_drvdata(spi);
+	struct tsc2005 *ts = dev_get_drvdata(dev);

 	mutex_lock(&ts->mutex);

@ -792,8 +733,7 @@ static int __maybe_unused tsc2005_suspend(struct device *dev)

 static int __maybe_unused tsc2005_resume(struct device *dev)
 {
-	struct spi_device *spi = to_spi_device(dev);
-	struct tsc2005 *ts = spi_get_drvdata(spi);
+	struct tsc2005 *ts = dev_get_drvdata(dev);

 	mutex_lock(&ts->mutex);

--- a/drivers/input/touchscreen/tsc2007.c
+++ b/drivers/input/touchscreen/tsc2007.c
@ -482,7 +482,6 @@ MODULE_DEVICE_TABLE(of, tsc2007_of_match);

 static struct i2c_driver tsc2007_driver = {
 	.driver = {
-		.owner	= THIS_MODULE,
 		.name	= "tsc2007",
 		.of_match_table = of_match_ptr(tsc2007_of_match),
 	},
--- a/drivers/input/touchscreen/wacom_i2c.c
+++ b/drivers/input/touchscreen/wacom_i2c.c
@ -271,7 +271,6 @@ MODULE_DEVICE_TABLE(i2c, wacom_i2c_id);
 static struct i2c_driver wacom_i2c_driver = {
 	.driver	= {
 		.name	= "wacom_i2c",
-		.owner	= THIS_MODULE,
 		.pm	= &wacom_i2c_pm,
 	},

--- a/drivers/input/touchscreen/wdt87xx_i2c.c
+++ b/drivers/input/touchscreen/wdt87xx_i2c.c
@ -23,7 +23,7 @@
 #include <asm/unaligned.h>

 #define WDT87XX_NAME		"wdt87xx_i2c"
-#define WDT87XX_DRV_VER		"0.9.6"
+#define WDT87XX_DRV_VER		"0.9.7"
 #define WDT87XX_FW_NAME		"wdt87xx_fw.bin"
 #define WDT87XX_CFG_NAME	"wdt87xx_cfg.bin"

@ -85,6 +85,11 @@
 #define CTL_PARAM_OFFSET_PHY_H		24
 #define CTL_PARAM_OFFSET_FACTOR		32

+/* The definition of the device descriptor */
+#define WDT_GD_DEVICE			1
+#define DEV_DESC_OFFSET_VID		8
+#define DEV_DESC_OFFSET_PID		10
+
 /* Communication commands */
 #define PACKET_SIZE			56
 #define VND_REQ_READ			0x06
@ -152,6 +157,7 @@
 /* Controller requires minimum 300us between commands */
 #define WDT_COMMAND_DELAY_MS		2
 #define WDT_FLASH_WRITE_DELAY_MS	4
+#define WDT_FW_RESET_TIME		2500

 struct wdt87xx_sys_param {
 	u16	fw_id;
@ -165,6 +171,8 @@ struct wdt87xx_sys_param {
 	u16	scaling_factor;
 	u32	max_x;
 	u32	max_y;
+	u16	vendor_id;
+	u16	product_id;
 };

 struct wdt87xx_data {
@ -208,6 +216,32 @@ static int wdt87xx_i2c_xfer(struct i2c_client *client,
 	return 0;
 }

+static int wdt87xx_get_desc(struct i2c_client *client, u8 desc_idx,
+			    u8 *buf, size_t len)
+{
+	u8 tx_buf[] = { 0x22, 0x00, 0x10, 0x0E, 0x23, 0x00 };
+	int error;
+
+	tx_buf[2] |= desc_idx & 0xF;
+
+	error = wdt87xx_i2c_xfer(client, tx_buf, sizeof(tx_buf),
+				 buf, len);
+	if (error) {
+		dev_err(&client->dev, "get desc failed: %d\n", error);
+		return error;
+	}
+
+	if (buf[0] != len) {
+		dev_err(&client->dev, "unexpected response to get desc: %d\n",
+			buf[0]);
+		return -EINVAL;
+	}
+
+	mdelay(WDT_COMMAND_DELAY_MS);
+
+	return 0;
+}
+
 static int wdt87xx_get_string(struct i2c_client *client, u8 str_idx,
 			      u8 *buf, size_t len)
 {
@ -373,7 +407,7 @@ static int wdt87xx_sw_reset(struct i2c_client *client)
 	}

 	/* Wait the device to be ready */
-	msleep(200);
+	msleep(WDT_FW_RESET_TIME);

 	return 0;
 }
@ -403,6 +437,15 @@ static int wdt87xx_get_sysparam(struct i2c_client *client,
 	u8 buf[PKT_READ_SIZE];
 	int error;

+	error = wdt87xx_get_desc(client, WDT_GD_DEVICE, buf, 18);
+	if (error) {
+		dev_err(&client->dev, "failed to get device desc\n");
+		return error;
+	}
+
+	param->vendor_id = get_unaligned_le16(buf + DEV_DESC_OFFSET_VID);
+	param->product_id = get_unaligned_le16(buf + DEV_DESC_OFFSET_PID);
+
 	error = wdt87xx_get_string(client, STRIDX_PARAMETERS, buf, 34);
 	if (error) {
 		dev_err(&client->dev, "failed to get parameters\n");
@ -994,6 +1037,8 @@ static int wdt87xx_ts_create_input_device(struct wdt87xx_data *wdt)

 	input->name = "WDT87xx Touchscreen";
 	input->id.bustype = BUS_I2C;
+	input->id.vendor = wdt->param.vendor_id;
+	input->id.product = wdt->param.product_id;
 	input->phys = wdt->phys;

 	input_set_abs_params(input, ABS_MT_POSITION_X, 0,
--- a/drivers/input/touchscreen/zforce_ts.c
+++ b/drivers/input/touchscreen/zforce_ts.c
@ -24,14 +24,13 @@
 #include <linux/interrupt.h>
 #include <linux/i2c.h>
 #include <linux/delay.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/device.h>
 #include <linux/sysfs.h>
 #include <linux/input/mt.h>
 #include <linux/platform_data/zforce_ts.h>
 #include <linux/regulator/consumer.h>
 #include <linux/of.h>
-#include <linux/of_gpio.h>

 #define WAIT_TIMEOUT		msecs_to_jiffies(1000)

@ -120,6 +119,9 @@ struct zforce_ts {

 	struct regulator	*reg_vdd;

+	struct gpio_desc	*gpio_int;
+	struct gpio_desc	*gpio_rst;
+
 	bool			suspending;
 	bool			suspended;
 	bool			boot_complete;
@ -161,6 +163,16 @@ static int zforce_command(struct zforce_ts *ts, u8 cmd)
 	return 0;
 }

+static void zforce_reset_assert(struct zforce_ts *ts)
+{
+	gpiod_set_value_cansleep(ts->gpio_rst, 1);
+}
+
+static void zforce_reset_deassert(struct zforce_ts *ts)
+{
+	gpiod_set_value_cansleep(ts->gpio_rst, 0);
+}
+
 static int zforce_send_wait(struct zforce_ts *ts, const char *buf, int len)
 {
 	struct i2c_client *client = ts->client;
@ -479,7 +491,6 @@ static irqreturn_t zforce_irq_thread(int irq, void *dev_id)
 {
 	struct zforce_ts *ts = dev_id;
 	struct i2c_client *client = ts->client;
-	const struct zforce_ts_platdata *pdata = ts->pdata;
 	int ret;
 	u8 payload_buffer[FRAME_MAXSIZE];
 	u8 *payload;
@ -499,7 +510,16 @@ static irqreturn_t zforce_irq_thread(int irq, void *dev_id)
 	if (!ts->suspending && device_may_wakeup(&client->dev))
 		pm_stay_awake(&client->dev);

-	while (!gpio_get_value(pdata->gpio_int)) {
+	/*
+	 * Run at least once and exit the loop if
+	 * - the optional interrupt GPIO isn't specified
+	 *   (there is only one packet read per ISR invocation, then)
+	 * or
+	 * - the GPIO isn't active any more
+	 *   (packet read until the level GPIO indicates that there is
+	 *    no IRQ any more)
+	 */
+	do {
 		ret = zforce_read_packet(ts, payload_buffer);
 		if (ret < 0) {
 			dev_err(&client->dev,
@ -566,7 +586,7 @@ static irqreturn_t zforce_irq_thread(int irq, void *dev_id)
 				payload[RESPONSE_ID]);
 			break;
 		}
-	}
+	} while (gpiod_get_value_cansleep(ts->gpio_int));

 	if (!ts->suspending && device_may_wakeup(&client->dev))
 		pm_relax(&client->dev);
@ -690,7 +710,7 @@ static void zforce_reset(void *data)
 {
 	struct zforce_ts *ts = data;

-	gpio_set_value(ts->pdata->gpio_rst, 0);
+	zforce_reset_assert(ts);

 	udelay(10);

@ -712,18 +732,6 @@ static struct zforce_ts_platdata *zforce_parse_dt(struct device *dev)
 		return ERR_PTR(-ENOMEM);
 	}

-	pdata->gpio_int = of_get_gpio(np, 0);
-	if (!gpio_is_valid(pdata->gpio_int)) {
-		dev_err(dev, "failed to get interrupt gpio\n");
-		return ERR_PTR(-EINVAL);
-	}
-
-	pdata->gpio_rst = of_get_gpio(np, 1);
-	if (!gpio_is_valid(pdata->gpio_rst)) {
-		dev_err(dev, "failed to get reset gpio\n");
-		return ERR_PTR(-EINVAL);
-	}
-
 	if (of_property_read_u32(np, "x-size", &pdata->x_max)) {
 		dev_err(dev, "failed to get x-size property\n");
 		return ERR_PTR(-EINVAL);
@ -755,20 +763,49 @@ static int zforce_probe(struct i2c_client *client,
 	if (!ts)
 		return -ENOMEM;

-	ret = devm_gpio_request_one(&client->dev, pdata->gpio_int, GPIOF_IN,
-				    "zforce_ts_int");
-	if (ret) {
-		dev_err(&client->dev, "request of gpio %d failed, %d\n",
-			pdata->gpio_int, ret);
+	ts->gpio_rst = devm_gpiod_get_optional(&client->dev, "reset",
+					       GPIOD_OUT_HIGH);
+	if (IS_ERR(ts->gpio_rst)) {
+		ret = PTR_ERR(ts->gpio_rst);
+		dev_err(&client->dev,
+			"failed to request reset GPIO: %d\n", ret);
 		return ret;
 	}

-	ret = devm_gpio_request_one(&client->dev, pdata->gpio_rst,
-				    GPIOF_OUT_INIT_LOW, "zforce_ts_rst");
-	if (ret) {
-		dev_err(&client->dev, "request of gpio %d failed, %d\n",
-			pdata->gpio_rst, ret);
-		return ret;
+	if (ts->gpio_rst) {
+		ts->gpio_int = devm_gpiod_get_optional(&client->dev, "irq",
+						       GPIOD_IN);
+		if (IS_ERR(ts->gpio_int)) {
+			ret = PTR_ERR(ts->gpio_int);
+			dev_err(&client->dev,
+				"failed to request interrupt GPIO: %d\n", ret);
+			return ret;
+		}
+	} else {
+		/*
+		 * Deprecated GPIO handling for compatibility
+		 * with legacy binding.
+		 */
+
+		/* INT GPIO */
+		ts->gpio_int = devm_gpiod_get_index(&client->dev, NULL, 0,
+						    GPIOD_IN);
+		if (IS_ERR(ts->gpio_int)) {
+			ret = PTR_ERR(ts->gpio_int);
+			dev_err(&client->dev,
+				"failed to request interrupt GPIO: %d\n", ret);
+			return ret;
+		}
+
+		/* RST GPIO */
+		ts->gpio_rst = devm_gpiod_get_index(&client->dev, NULL, 1,
+					    GPIOD_OUT_HIGH);
+		if (IS_ERR(ts->gpio_rst)) {
+			ret = PTR_ERR(ts->gpio_rst);
+			dev_err(&client->dev,
+				"failed to request reset GPIO: %d\n", ret);
+			return ret;
+		}
 	}

 	ts->reg_vdd = devm_regulator_get_optional(&client->dev, "vdd");
@ -863,7 +900,7 @@ static int zforce_probe(struct i2c_client *client,
 	i2c_set_clientdata(client, ts);

 	/* let the controller boot */
-	gpio_set_value(pdata->gpio_rst, 1);
+	zforce_reset_deassert(ts);

 	ts->command_waiting = NOTIFICATION_BOOTCOMPLETE;
 	if (wait_for_completion_timeout(&ts->command_done, WAIT_TIMEOUT) == 0)
@ -917,7 +954,6 @@ MODULE_DEVICE_TABLE(of, zforce_dt_idtable);

 static struct i2c_driver zforce_driver = {
 	.driver = {
-		.owner	= THIS_MODULE,
 		.name	= "zforce-ts",
 		.pm	= &zforce_pm_ops,
 		.of_match_table	= of_match_ptr(zforce_dt_idtable),
--- a/drivers/platform/chrome/chromeos_laptop.c
+++ b/drivers/platform/chrome/chromeos_laptop.c
@ -23,7 +23,7 @@

 #include <linux/dmi.h>
 #include <linux/i2c.h>
-#include <linux/i2c/atmel_mxt_ts.h>
+#include <linux/platform_data/atmel_mxt_ts.h>
 #include <linux/input.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
@ -111,6 +111,7 @@ static struct mxt_platform_data atmel_224s_tp_platform_data = {
 	.irqflags		= IRQF_TRIGGER_FALLING,
 	.t19_num_keys		= ARRAY_SIZE(mxt_t19_keys),
 	.t19_keymap		= mxt_t19_keys,
+	.suspend_mode		= MXT_SUSPEND_T9_CTRL,
 };

 static struct i2c_board_info atmel_224s_tp_device = {
@ -121,6 +122,7 @@ static struct i2c_board_info atmel_224s_tp_device = {

 static struct mxt_platform_data atmel_1664s_platform_data = {
 	.irqflags		= IRQF_TRIGGER_FALLING,
+	.suspend_mode		= MXT_SUSPEND_T9_CTRL,
 };

 static struct i2c_board_info atmel_1664s_device = {
--- a/include/linux/input/touchscreen.h
+++ b/include/linux/input/touchscreen.h
@ -9,15 +9,8 @@
 #ifndef _TOUCHSCREEN_H
 #define _TOUCHSCREEN_H

-#include <linux/input.h>
+struct input_dev;

-#ifdef CONFIG_OF
-void touchscreen_parse_of_params(struct input_dev *dev, bool multitouch);
-#else
-static inline void touchscreen_parse_of_params(struct input_dev *dev,
-					       bool multitouch)
-{
-}
-#endif
+void touchscreen_parse_properties(struct input_dev *dev, bool multitouch);

 #endif
--- a/include/linux/platform_data/atmel_mxt_ts.h
+++ b/include/linux/platform_data/atmel_mxt_ts.h
@ -10,16 +10,22 @@
 * option) any later version.
 */

-#ifndef __LINUX_ATMEL_MXT_TS_H
-#define __LINUX_ATMEL_MXT_TS_H
+#ifndef __LINUX_PLATFORM_DATA_ATMEL_MXT_TS_H
+#define __LINUX_PLATFORM_DATA_ATMEL_MXT_TS_H

 #include <linux/types.h>

+enum mxt_suspend_mode {
+	MXT_SUSPEND_DEEP_SLEEP	= 0,
+	MXT_SUSPEND_T9_CTRL	= 1,
+};
+
 /* The platform data for the Atmel maXTouch touchscreen driver */
 struct mxt_platform_data {
 	unsigned long irqflags;
 	u8 t19_num_keys;
 	const unsigned int *t19_keymap;
+	enum mxt_suspend_mode suspend_mode;
 };

-#endif /* __LINUX_ATMEL_MXT_TS_H */
+#endif /* __LINUX_PLATFORM_DATA_ATMEL_MXT_TS_H */
--- a/include/linux/platform_data/pixcir_i2c_ts.h
+++ b/include/linux/platform_data/pixcir_i2c_ts.h
@ -57,7 +57,6 @@ struct pixcir_i2c_chip_data {
 struct pixcir_ts_platform_data {
 	int x_max;
 	int y_max;
-	int gpio_attb;		/* GPIO connected to ATTB line */
 	struct pixcir_i2c_chip_data chip;
 };

--- a/include/linux/platform_data/zforce_ts.h
+++ b/include/linux/platform_data/zforce_ts.h
@ -16,9 +16,6 @@
 #define _LINUX_INPUT_ZFORCE_TS_H

 struct zforce_ts_platdata {
-	int gpio_int;
-	int gpio_rst;
-
 	unsigned int x_max;
 	unsigned int y_max;
 };
--- a/include/linux/serio.h
+++ b/include/linux/serio.h
@ -18,6 +18,8 @@
 #include <linux/mod_devicetable.h>
 #include <uapi/linux/serio.h>

+extern struct bus_type serio_bus;
+
 struct serio {
 	void *port_data;