![Hans de Goede](/assets/img/avatar_default.png)
At least on a T100HA an Asus vendor-page usage-code 0xff event is send on every suspend and again on resume, resulting in the following warning: asus 0003:0B05:1807.0002: Unmapped Asus vendor usagepage code 0xff being logged twice on every suspend/resume. This commit silences the "Unmapped Asus vendor usagepage code ..." warning for usage-code 0xff to avoid these warnings being logged. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
1081 lines
29 KiB
C
1081 lines
29 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* HID driver for Asus notebook built-in keyboard.
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* Fixes small logical maximum to match usage maximum.
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*
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* Currently supported devices are:
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* EeeBook X205TA
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* VivoBook E200HA
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*
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* Copyright (c) 2016 Yusuke Fujimaki <usk.fujimaki@gmail.com>
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*
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* This module based on hid-ortek by
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* Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com>
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* Copyright (c) 2011 Jiri Kosina
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*
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* This module has been updated to add support for Asus i2c touchpad.
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*
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* Copyright (c) 2016 Brendan McGrath <redmcg@redmandi.dyndns.org>
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* Copyright (c) 2016 Victor Vlasenko <victor.vlasenko@sysgears.com>
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* Copyright (c) 2016 Frederik Wenigwieser <frederik.wenigwieser@gmail.com>
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*/
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/*
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*/
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#include <linux/dmi.h>
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#include <linux/hid.h>
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#include <linux/module.h>
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#include <linux/platform_data/x86/asus-wmi.h>
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#include <linux/input/mt.h>
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#include <linux/usb.h> /* For to_usb_interface for T100 touchpad intf check */
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#include <linux/power_supply.h>
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#include "hid-ids.h"
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MODULE_AUTHOR("Yusuke Fujimaki <usk.fujimaki@gmail.com>");
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MODULE_AUTHOR("Brendan McGrath <redmcg@redmandi.dyndns.org>");
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MODULE_AUTHOR("Victor Vlasenko <victor.vlasenko@sysgears.com>");
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MODULE_AUTHOR("Frederik Wenigwieser <frederik.wenigwieser@gmail.com>");
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MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad");
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#define T100_TPAD_INTF 2
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#define T100CHI_MOUSE_REPORT_ID 0x06
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#define FEATURE_REPORT_ID 0x0d
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#define INPUT_REPORT_ID 0x5d
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#define FEATURE_KBD_REPORT_ID 0x5a
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#define FEATURE_KBD_REPORT_SIZE 16
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#define SUPPORT_KBD_BACKLIGHT BIT(0)
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#define MAX_TOUCH_MAJOR 8
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#define MAX_PRESSURE 128
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#define BTN_LEFT_MASK 0x01
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#define CONTACT_TOOL_TYPE_MASK 0x80
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#define CONTACT_X_MSB_MASK 0xf0
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#define CONTACT_Y_MSB_MASK 0x0f
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#define CONTACT_TOUCH_MAJOR_MASK 0x07
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#define CONTACT_PRESSURE_MASK 0x7f
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#define BATTERY_REPORT_ID (0x03)
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#define BATTERY_REPORT_SIZE (1 + 8)
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#define BATTERY_LEVEL_MAX ((u8)255)
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#define BATTERY_STAT_DISCONNECT (0)
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#define BATTERY_STAT_CHARGING (1)
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#define BATTERY_STAT_FULL (2)
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#define QUIRK_FIX_NOTEBOOK_REPORT BIT(0)
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#define QUIRK_NO_INIT_REPORTS BIT(1)
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#define QUIRK_SKIP_INPUT_MAPPING BIT(2)
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#define QUIRK_IS_MULTITOUCH BIT(3)
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#define QUIRK_NO_CONSUMER_USAGES BIT(4)
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#define QUIRK_USE_KBD_BACKLIGHT BIT(5)
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#define QUIRK_T100_KEYBOARD BIT(6)
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#define QUIRK_T100CHI BIT(7)
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#define QUIRK_G752_KEYBOARD BIT(8)
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#define QUIRK_T101HA_DOCK BIT(9)
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#define QUIRK_T90CHI BIT(10)
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#define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \
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QUIRK_NO_INIT_REPORTS | \
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QUIRK_NO_CONSUMER_USAGES)
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#define I2C_TOUCHPAD_QUIRKS (QUIRK_NO_INIT_REPORTS | \
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QUIRK_SKIP_INPUT_MAPPING | \
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QUIRK_IS_MULTITOUCH)
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#define TRKID_SGN ((TRKID_MAX + 1) >> 1)
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struct asus_kbd_leds {
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struct led_classdev cdev;
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struct hid_device *hdev;
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struct work_struct work;
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unsigned int brightness;
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bool removed;
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};
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struct asus_touchpad_info {
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int max_x;
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int max_y;
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int res_x;
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int res_y;
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int contact_size;
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int max_contacts;
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};
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struct asus_drvdata {
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unsigned long quirks;
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struct hid_device *hdev;
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struct input_dev *input;
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struct asus_kbd_leds *kbd_backlight;
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const struct asus_touchpad_info *tp;
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bool enable_backlight;
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struct power_supply *battery;
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struct power_supply_desc battery_desc;
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int battery_capacity;
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int battery_stat;
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bool battery_in_query;
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unsigned long battery_next_query;
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};
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static int asus_report_battery(struct asus_drvdata *, u8 *, int);
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static const struct asus_touchpad_info asus_i2c_tp = {
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.max_x = 2794,
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.max_y = 1758,
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.contact_size = 5,
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.max_contacts = 5,
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};
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static const struct asus_touchpad_info asus_t100ta_tp = {
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.max_x = 2240,
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.max_y = 1120,
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.res_x = 30, /* units/mm */
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.res_y = 27, /* units/mm */
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.contact_size = 5,
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.max_contacts = 5,
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};
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static const struct asus_touchpad_info asus_t100ha_tp = {
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.max_x = 2640,
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.max_y = 1320,
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.res_x = 30, /* units/mm */
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.res_y = 29, /* units/mm */
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.contact_size = 5,
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.max_contacts = 5,
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};
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static const struct asus_touchpad_info asus_t200ta_tp = {
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.max_x = 3120,
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.max_y = 1716,
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.res_x = 30, /* units/mm */
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.res_y = 28, /* units/mm */
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.contact_size = 5,
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.max_contacts = 5,
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};
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static const struct asus_touchpad_info asus_t100chi_tp = {
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.max_x = 2640,
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.max_y = 1320,
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.res_x = 31, /* units/mm */
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.res_y = 29, /* units/mm */
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.contact_size = 3,
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.max_contacts = 4,
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};
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static void asus_report_contact_down(struct asus_drvdata *drvdat,
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int toolType, u8 *data)
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{
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struct input_dev *input = drvdat->input;
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int touch_major, pressure, x, y;
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x = (data[0] & CONTACT_X_MSB_MASK) << 4 | data[1];
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y = drvdat->tp->max_y - ((data[0] & CONTACT_Y_MSB_MASK) << 8 | data[2]);
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input_report_abs(input, ABS_MT_POSITION_X, x);
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input_report_abs(input, ABS_MT_POSITION_Y, y);
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if (drvdat->tp->contact_size < 5)
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return;
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if (toolType == MT_TOOL_PALM) {
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touch_major = MAX_TOUCH_MAJOR;
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pressure = MAX_PRESSURE;
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} else {
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touch_major = (data[3] >> 4) & CONTACT_TOUCH_MAJOR_MASK;
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pressure = data[4] & CONTACT_PRESSURE_MASK;
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}
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input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major);
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input_report_abs(input, ABS_MT_PRESSURE, pressure);
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}
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/* Required for Synaptics Palm Detection */
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static void asus_report_tool_width(struct asus_drvdata *drvdat)
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{
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struct input_mt *mt = drvdat->input->mt;
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struct input_mt_slot *oldest;
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int oldid, count, i;
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if (drvdat->tp->contact_size < 5)
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return;
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oldest = NULL;
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oldid = mt->trkid;
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count = 0;
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for (i = 0; i < mt->num_slots; ++i) {
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struct input_mt_slot *ps = &mt->slots[i];
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int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
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if (id < 0)
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continue;
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if ((id - oldid) & TRKID_SGN) {
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oldest = ps;
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oldid = id;
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}
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count++;
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}
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if (oldest) {
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input_report_abs(drvdat->input, ABS_TOOL_WIDTH,
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input_mt_get_value(oldest, ABS_MT_TOUCH_MAJOR));
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}
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}
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static int asus_report_input(struct asus_drvdata *drvdat, u8 *data, int size)
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{
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int i, toolType = MT_TOOL_FINGER;
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u8 *contactData = data + 2;
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if (size != 3 + drvdat->tp->contact_size * drvdat->tp->max_contacts)
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return 0;
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for (i = 0; i < drvdat->tp->max_contacts; i++) {
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bool down = !!(data[1] & BIT(i+3));
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if (drvdat->tp->contact_size >= 5)
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toolType = contactData[3] & CONTACT_TOOL_TYPE_MASK ?
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MT_TOOL_PALM : MT_TOOL_FINGER;
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input_mt_slot(drvdat->input, i);
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input_mt_report_slot_state(drvdat->input, toolType, down);
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if (down) {
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asus_report_contact_down(drvdat, toolType, contactData);
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contactData += drvdat->tp->contact_size;
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}
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}
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input_report_key(drvdat->input, BTN_LEFT, data[1] & BTN_LEFT_MASK);
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asus_report_tool_width(drvdat);
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input_mt_sync_frame(drvdat->input);
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input_sync(drvdat->input);
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return 1;
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}
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static int asus_event(struct hid_device *hdev, struct hid_field *field,
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struct hid_usage *usage, __s32 value)
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{
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if ((usage->hid & HID_USAGE_PAGE) == 0xff310000 &&
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(usage->hid & HID_USAGE) != 0x00 &&
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(usage->hid & HID_USAGE) != 0xff && !usage->type) {
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hid_warn(hdev, "Unmapped Asus vendor usagepage code 0x%02x\n",
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usage->hid & HID_USAGE);
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}
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return 0;
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}
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static int asus_raw_event(struct hid_device *hdev,
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struct hid_report *report, u8 *data, int size)
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{
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struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
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if (drvdata->battery && data[0] == BATTERY_REPORT_ID)
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return asus_report_battery(drvdata, data, size);
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if (drvdata->tp && data[0] == INPUT_REPORT_ID)
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return asus_report_input(drvdata, data, size);
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return 0;
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}
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static int asus_kbd_set_report(struct hid_device *hdev, u8 *buf, size_t buf_size)
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{
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unsigned char *dmabuf;
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int ret;
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dmabuf = kmemdup(buf, buf_size, GFP_KERNEL);
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if (!dmabuf)
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return -ENOMEM;
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ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, dmabuf,
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buf_size, HID_FEATURE_REPORT,
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HID_REQ_SET_REPORT);
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kfree(dmabuf);
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return ret;
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}
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static int asus_kbd_init(struct hid_device *hdev)
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{
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u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x41, 0x53, 0x55, 0x53, 0x20, 0x54,
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0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 };
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int ret;
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ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
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if (ret < 0)
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hid_err(hdev, "Asus failed to send init command: %d\n", ret);
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return ret;
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}
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static int asus_kbd_get_functions(struct hid_device *hdev,
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unsigned char *kbd_func)
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{
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u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x05, 0x20, 0x31, 0x00, 0x08 };
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u8 *readbuf;
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int ret;
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ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
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if (ret < 0) {
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hid_err(hdev, "Asus failed to send configuration command: %d\n", ret);
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return ret;
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}
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readbuf = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL);
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if (!readbuf)
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return -ENOMEM;
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ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, readbuf,
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FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT,
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HID_REQ_GET_REPORT);
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if (ret < 0) {
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hid_err(hdev, "Asus failed to request functions: %d\n", ret);
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kfree(readbuf);
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return ret;
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}
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*kbd_func = readbuf[6];
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kfree(readbuf);
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return ret;
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}
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static void asus_kbd_backlight_set(struct led_classdev *led_cdev,
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enum led_brightness brightness)
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{
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struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
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cdev);
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if (led->brightness == brightness)
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return;
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led->brightness = brightness;
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schedule_work(&led->work);
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}
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static enum led_brightness asus_kbd_backlight_get(struct led_classdev *led_cdev)
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{
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struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
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cdev);
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return led->brightness;
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}
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static void asus_kbd_backlight_work(struct work_struct *work)
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{
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struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work);
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u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 0x00 };
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int ret;
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if (led->removed)
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return;
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buf[4] = led->brightness;
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ret = asus_kbd_set_report(led->hdev, buf, sizeof(buf));
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if (ret < 0)
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hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret);
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}
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/* WMI-based keyboard backlight LED control (via asus-wmi driver) takes
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* precedence. We only activate HID-based backlight control when the
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* WMI control is not available.
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*/
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static bool asus_kbd_wmi_led_control_present(struct hid_device *hdev)
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{
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u32 value;
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int ret;
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if (!IS_ENABLED(CONFIG_ASUS_WMI))
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return false;
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ret = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS,
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ASUS_WMI_DEVID_KBD_BACKLIGHT, 0, &value);
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hid_dbg(hdev, "WMI backlight check: rc %d value %x", ret, value);
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if (ret)
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return false;
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return !!(value & ASUS_WMI_DSTS_PRESENCE_BIT);
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}
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static int asus_kbd_register_leds(struct hid_device *hdev)
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{
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struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
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unsigned char kbd_func;
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int ret;
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/* Initialize keyboard */
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ret = asus_kbd_init(hdev);
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if (ret < 0)
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return ret;
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/* Get keyboard functions */
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ret = asus_kbd_get_functions(hdev, &kbd_func);
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if (ret < 0)
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return ret;
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/* Check for backlight support */
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if (!(kbd_func & SUPPORT_KBD_BACKLIGHT))
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return -ENODEV;
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drvdata->kbd_backlight = devm_kzalloc(&hdev->dev,
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sizeof(struct asus_kbd_leds),
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GFP_KERNEL);
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if (!drvdata->kbd_backlight)
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return -ENOMEM;
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drvdata->kbd_backlight->removed = false;
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drvdata->kbd_backlight->brightness = 0;
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drvdata->kbd_backlight->hdev = hdev;
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drvdata->kbd_backlight->cdev.name = "asus::kbd_backlight";
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drvdata->kbd_backlight->cdev.max_brightness = 3;
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drvdata->kbd_backlight->cdev.brightness_set = asus_kbd_backlight_set;
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drvdata->kbd_backlight->cdev.brightness_get = asus_kbd_backlight_get;
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INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work);
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ret = devm_led_classdev_register(&hdev->dev, &drvdata->kbd_backlight->cdev);
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if (ret < 0) {
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/* No need to have this still around */
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devm_kfree(&hdev->dev, drvdata->kbd_backlight);
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}
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return ret;
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}
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/*
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* [0] REPORT_ID (same value defined in report descriptor)
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* [1] rest battery level. range [0..255]
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* [2]..[7] Bluetooth hardware address (MAC address)
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* [8] charging status
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* = 0 : AC offline / discharging
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* = 1 : AC online / charging
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* = 2 : AC online / fully charged
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*/
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static int asus_parse_battery(struct asus_drvdata *drvdata, u8 *data, int size)
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{
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u8 sts;
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u8 lvl;
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int val;
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lvl = data[1];
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sts = data[8];
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drvdata->battery_capacity = ((int)lvl * 100) / (int)BATTERY_LEVEL_MAX;
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switch (sts) {
|
|
case BATTERY_STAT_CHARGING:
|
|
val = POWER_SUPPLY_STATUS_CHARGING;
|
|
break;
|
|
case BATTERY_STAT_FULL:
|
|
val = POWER_SUPPLY_STATUS_FULL;
|
|
break;
|
|
case BATTERY_STAT_DISCONNECT:
|
|
default:
|
|
val = POWER_SUPPLY_STATUS_DISCHARGING;
|
|
break;
|
|
}
|
|
drvdata->battery_stat = val;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int asus_report_battery(struct asus_drvdata *drvdata, u8 *data, int size)
|
|
{
|
|
/* notify only the autonomous event by device */
|
|
if ((drvdata->battery_in_query == false) &&
|
|
(size == BATTERY_REPORT_SIZE))
|
|
power_supply_changed(drvdata->battery);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int asus_battery_query(struct asus_drvdata *drvdata)
|
|
{
|
|
u8 *buf;
|
|
int ret = 0;
|
|
|
|
buf = kmalloc(BATTERY_REPORT_SIZE, GFP_KERNEL);
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
drvdata->battery_in_query = true;
|
|
ret = hid_hw_raw_request(drvdata->hdev, BATTERY_REPORT_ID,
|
|
buf, BATTERY_REPORT_SIZE,
|
|
HID_INPUT_REPORT, HID_REQ_GET_REPORT);
|
|
drvdata->battery_in_query = false;
|
|
if (ret == BATTERY_REPORT_SIZE)
|
|
ret = asus_parse_battery(drvdata, buf, BATTERY_REPORT_SIZE);
|
|
else
|
|
ret = -ENODATA;
|
|
|
|
kfree(buf);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static enum power_supply_property asus_battery_props[] = {
|
|
POWER_SUPPLY_PROP_STATUS,
|
|
POWER_SUPPLY_PROP_PRESENT,
|
|
POWER_SUPPLY_PROP_CAPACITY,
|
|
POWER_SUPPLY_PROP_SCOPE,
|
|
POWER_SUPPLY_PROP_MODEL_NAME,
|
|
};
|
|
|
|
#define QUERY_MIN_INTERVAL (60 * HZ) /* 60[sec] */
|
|
|
|
static int asus_battery_get_property(struct power_supply *psy,
|
|
enum power_supply_property psp,
|
|
union power_supply_propval *val)
|
|
{
|
|
struct asus_drvdata *drvdata = power_supply_get_drvdata(psy);
|
|
int ret = 0;
|
|
|
|
switch (psp) {
|
|
case POWER_SUPPLY_PROP_STATUS:
|
|
case POWER_SUPPLY_PROP_CAPACITY:
|
|
if (time_before(drvdata->battery_next_query, jiffies)) {
|
|
drvdata->battery_next_query =
|
|
jiffies + QUERY_MIN_INTERVAL;
|
|
ret = asus_battery_query(drvdata);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
if (psp == POWER_SUPPLY_PROP_STATUS)
|
|
val->intval = drvdata->battery_stat;
|
|
else
|
|
val->intval = drvdata->battery_capacity;
|
|
break;
|
|
case POWER_SUPPLY_PROP_PRESENT:
|
|
val->intval = 1;
|
|
break;
|
|
case POWER_SUPPLY_PROP_SCOPE:
|
|
val->intval = POWER_SUPPLY_SCOPE_DEVICE;
|
|
break;
|
|
case POWER_SUPPLY_PROP_MODEL_NAME:
|
|
val->strval = drvdata->hdev->name;
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int asus_battery_probe(struct hid_device *hdev)
|
|
{
|
|
struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
|
|
struct power_supply_config pscfg = { .drv_data = drvdata };
|
|
int ret = 0;
|
|
|
|
drvdata->battery_capacity = 0;
|
|
drvdata->battery_stat = POWER_SUPPLY_STATUS_UNKNOWN;
|
|
drvdata->battery_in_query = false;
|
|
|
|
drvdata->battery_desc.properties = asus_battery_props;
|
|
drvdata->battery_desc.num_properties = ARRAY_SIZE(asus_battery_props);
|
|
drvdata->battery_desc.get_property = asus_battery_get_property;
|
|
drvdata->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY;
|
|
drvdata->battery_desc.use_for_apm = 0;
|
|
drvdata->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
|
|
"asus-keyboard-%s-battery",
|
|
strlen(hdev->uniq) ?
|
|
hdev->uniq : dev_name(&hdev->dev));
|
|
if (!drvdata->battery_desc.name)
|
|
return -ENOMEM;
|
|
|
|
drvdata->battery_next_query = jiffies;
|
|
|
|
drvdata->battery = devm_power_supply_register(&hdev->dev,
|
|
&(drvdata->battery_desc), &pscfg);
|
|
if (IS_ERR(drvdata->battery)) {
|
|
ret = PTR_ERR(drvdata->battery);
|
|
drvdata->battery = NULL;
|
|
hid_err(hdev, "Unable to register battery device\n");
|
|
return ret;
|
|
}
|
|
|
|
power_supply_powers(drvdata->battery, &hdev->dev);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
|
|
{
|
|
struct input_dev *input = hi->input;
|
|
struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
|
|
|
|
/* T100CHI uses MULTI_INPUT, bind the touchpad to the mouse hid_input */
|
|
if (drvdata->quirks & QUIRK_T100CHI &&
|
|
hi->report->id != T100CHI_MOUSE_REPORT_ID)
|
|
return 0;
|
|
|
|
if (drvdata->tp) {
|
|
int ret;
|
|
|
|
input_set_abs_params(input, ABS_MT_POSITION_X, 0,
|
|
drvdata->tp->max_x, 0, 0);
|
|
input_set_abs_params(input, ABS_MT_POSITION_Y, 0,
|
|
drvdata->tp->max_y, 0, 0);
|
|
input_abs_set_res(input, ABS_MT_POSITION_X, drvdata->tp->res_x);
|
|
input_abs_set_res(input, ABS_MT_POSITION_Y, drvdata->tp->res_y);
|
|
|
|
if (drvdata->tp->contact_size >= 5) {
|
|
input_set_abs_params(input, ABS_TOOL_WIDTH, 0,
|
|
MAX_TOUCH_MAJOR, 0, 0);
|
|
input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0,
|
|
MAX_TOUCH_MAJOR, 0, 0);
|
|
input_set_abs_params(input, ABS_MT_PRESSURE, 0,
|
|
MAX_PRESSURE, 0, 0);
|
|
}
|
|
|
|
__set_bit(BTN_LEFT, input->keybit);
|
|
__set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
|
|
|
|
ret = input_mt_init_slots(input, drvdata->tp->max_contacts,
|
|
INPUT_MT_POINTER);
|
|
|
|
if (ret) {
|
|
hid_err(hdev, "Asus input mt init slots failed: %d\n", ret);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
drvdata->input = input;
|
|
|
|
if (drvdata->enable_backlight &&
|
|
!asus_kbd_wmi_led_control_present(hdev) &&
|
|
asus_kbd_register_leds(hdev))
|
|
hid_warn(hdev, "Failed to initialize backlight.\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define asus_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \
|
|
max, EV_KEY, (c))
|
|
static int asus_input_mapping(struct hid_device *hdev,
|
|
struct hid_input *hi, struct hid_field *field,
|
|
struct hid_usage *usage, unsigned long **bit,
|
|
int *max)
|
|
{
|
|
struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
|
|
|
|
if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) {
|
|
/* Don't map anything from the HID report.
|
|
* We do it all manually in asus_input_configured
|
|
*/
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* Ignore a bunch of bogus collections in the T100CHI descriptor.
|
|
* This avoids a bunch of non-functional hid_input devices getting
|
|
* created because of the T100CHI using HID_QUIRK_MULTI_INPUT.
|
|
*/
|
|
if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
|
|
if (field->application == (HID_UP_GENDESK | 0x0080) ||
|
|
usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) ||
|
|
usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) ||
|
|
usage->hid == (HID_UP_GENDEVCTRLS | 0x0026))
|
|
return -1;
|
|
/*
|
|
* We use the hid_input for the mouse report for the touchpad,
|
|
* keep the left button, to avoid the core removing it.
|
|
*/
|
|
if (field->application == HID_GD_MOUSE &&
|
|
usage->hid != (HID_UP_BUTTON | 1))
|
|
return -1;
|
|
}
|
|
|
|
/* ASUS-specific keyboard hotkeys */
|
|
if ((usage->hid & HID_USAGE_PAGE) == 0xff310000) {
|
|
set_bit(EV_REP, hi->input->evbit);
|
|
switch (usage->hid & HID_USAGE) {
|
|
case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
|
|
case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
|
|
case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF); break;
|
|
case 0x6c: asus_map_key_clear(KEY_SLEEP); break;
|
|
case 0x7c: asus_map_key_clear(KEY_MICMUTE); break;
|
|
case 0x82: asus_map_key_clear(KEY_CAMERA); break;
|
|
case 0x88: asus_map_key_clear(KEY_RFKILL); break;
|
|
case 0xb5: asus_map_key_clear(KEY_CALC); break;
|
|
case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP); break;
|
|
case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN); break;
|
|
|
|
/* ASUS touchpad toggle */
|
|
case 0x6b: asus_map_key_clear(KEY_F21); break;
|
|
|
|
/* ROG key */
|
|
case 0x38: asus_map_key_clear(KEY_PROG1); break;
|
|
|
|
/* Fn+C ASUS Splendid */
|
|
case 0xba: asus_map_key_clear(KEY_PROG2); break;
|
|
|
|
/* Fn+Space Power4Gear Hybrid */
|
|
case 0x5c: asus_map_key_clear(KEY_PROG3); break;
|
|
|
|
/* Fn+F5 "fan" symbol on FX503VD */
|
|
case 0x99: asus_map_key_clear(KEY_PROG4); break;
|
|
|
|
default:
|
|
/* ASUS lazily declares 256 usages, ignore the rest,
|
|
* as some make the keyboard appear as a pointer device. */
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* Check and enable backlight only on devices with UsagePage ==
|
|
* 0xff31 to avoid initializing the keyboard firmware multiple
|
|
* times on devices with multiple HID descriptors but same
|
|
* PID/VID.
|
|
*/
|
|
if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT)
|
|
drvdata->enable_backlight = true;
|
|
|
|
return 1;
|
|
}
|
|
|
|
if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) {
|
|
set_bit(EV_REP, hi->input->evbit);
|
|
switch (usage->hid & HID_USAGE) {
|
|
case 0xff01: asus_map_key_clear(BTN_1); break;
|
|
case 0xff02: asus_map_key_clear(BTN_2); break;
|
|
case 0xff03: asus_map_key_clear(BTN_3); break;
|
|
case 0xff04: asus_map_key_clear(BTN_4); break;
|
|
case 0xff05: asus_map_key_clear(BTN_5); break;
|
|
case 0xff06: asus_map_key_clear(BTN_6); break;
|
|
case 0xff07: asus_map_key_clear(BTN_7); break;
|
|
case 0xff08: asus_map_key_clear(BTN_8); break;
|
|
case 0xff09: asus_map_key_clear(BTN_9); break;
|
|
case 0xff0a: asus_map_key_clear(BTN_A); break;
|
|
case 0xff0b: asus_map_key_clear(BTN_B); break;
|
|
case 0x00f1: asus_map_key_clear(KEY_WLAN); break;
|
|
case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
|
|
case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
|
|
case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF); break;
|
|
case 0x00f7: asus_map_key_clear(KEY_CAMERA); break;
|
|
case 0x00f8: asus_map_key_clear(KEY_PROG1); break;
|
|
default:
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES &&
|
|
(usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
|
|
switch (usage->hid & HID_USAGE) {
|
|
case 0xe2: /* Mute */
|
|
case 0xe9: /* Volume up */
|
|
case 0xea: /* Volume down */
|
|
return 0;
|
|
default:
|
|
/* Ignore dummy Consumer usages which make the
|
|
* keyboard incorrectly appear as a pointer device.
|
|
*/
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int asus_start_multitouch(struct hid_device *hdev)
|
|
{
|
|
int ret;
|
|
static const unsigned char buf[] = {
|
|
FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00
|
|
};
|
|
unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL);
|
|
|
|
if (!dmabuf) {
|
|
ret = -ENOMEM;
|
|
hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf),
|
|
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
|
|
|
|
kfree(dmabuf);
|
|
|
|
if (ret != sizeof(buf)) {
|
|
hid_err(hdev, "Asus failed to start multitouch: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __maybe_unused asus_reset_resume(struct hid_device *hdev)
|
|
{
|
|
struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
|
|
|
|
if (drvdata->tp)
|
|
return asus_start_multitouch(hdev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
|
|
{
|
|
int ret;
|
|
struct asus_drvdata *drvdata;
|
|
|
|
drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL);
|
|
if (drvdata == NULL) {
|
|
hid_err(hdev, "Can't alloc Asus descriptor\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
hid_set_drvdata(hdev, drvdata);
|
|
|
|
drvdata->quirks = id->driver_data;
|
|
|
|
/*
|
|
* T90CHI's keyboard dock returns same ID values as T100CHI's dock.
|
|
* Thus, identify T90CHI dock with product name string.
|
|
*/
|
|
if (strstr(hdev->name, "T90CHI")) {
|
|
drvdata->quirks &= ~QUIRK_T100CHI;
|
|
drvdata->quirks |= QUIRK_T90CHI;
|
|
}
|
|
|
|
if (drvdata->quirks & QUIRK_IS_MULTITOUCH)
|
|
drvdata->tp = &asus_i2c_tp;
|
|
|
|
if (drvdata->quirks & QUIRK_T100_KEYBOARD) {
|
|
struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
|
|
|
|
if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) {
|
|
drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING;
|
|
/*
|
|
* The T100HA uses the same USB-ids as the T100TAF and
|
|
* the T200TA uses the same USB-ids as the T100TA, while
|
|
* both have different max x/y values as the T100TA[F].
|
|
*/
|
|
if (dmi_match(DMI_PRODUCT_NAME, "T100HAN"))
|
|
drvdata->tp = &asus_t100ha_tp;
|
|
else if (dmi_match(DMI_PRODUCT_NAME, "T200TA"))
|
|
drvdata->tp = &asus_t200ta_tp;
|
|
else
|
|
drvdata->tp = &asus_t100ta_tp;
|
|
}
|
|
}
|
|
|
|
if (drvdata->quirks & QUIRK_T100CHI) {
|
|
/*
|
|
* All functionality is on a single HID interface and for
|
|
* userspace the touchpad must be a separate input_dev.
|
|
*/
|
|
hdev->quirks |= HID_QUIRK_MULTI_INPUT;
|
|
drvdata->tp = &asus_t100chi_tp;
|
|
}
|
|
|
|
if (drvdata->quirks & QUIRK_NO_INIT_REPORTS)
|
|
hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
|
|
|
|
drvdata->hdev = hdev;
|
|
|
|
if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
|
|
ret = asus_battery_probe(hdev);
|
|
if (ret) {
|
|
hid_err(hdev,
|
|
"Asus hid battery_probe failed: %d\n", ret);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
ret = hid_parse(hdev);
|
|
if (ret) {
|
|
hid_err(hdev, "Asus hid parse failed: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
/* use hid-multitouch for T101HA touchpad */
|
|
if (id->driver_data & QUIRK_T101HA_DOCK &&
|
|
hdev->collection->usage == HID_GD_MOUSE)
|
|
return -ENODEV;
|
|
|
|
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
|
|
if (ret) {
|
|
hid_err(hdev, "Asus hw start failed: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
if (!drvdata->input) {
|
|
hid_err(hdev, "Asus input not registered\n");
|
|
ret = -ENOMEM;
|
|
goto err_stop_hw;
|
|
}
|
|
|
|
if (drvdata->tp) {
|
|
drvdata->input->name = "Asus TouchPad";
|
|
} else {
|
|
drvdata->input->name = "Asus Keyboard";
|
|
}
|
|
|
|
if (drvdata->tp) {
|
|
ret = asus_start_multitouch(hdev);
|
|
if (ret)
|
|
goto err_stop_hw;
|
|
}
|
|
|
|
return 0;
|
|
err_stop_hw:
|
|
hid_hw_stop(hdev);
|
|
return ret;
|
|
}
|
|
|
|
static void asus_remove(struct hid_device *hdev)
|
|
{
|
|
struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
|
|
|
|
if (drvdata->kbd_backlight) {
|
|
drvdata->kbd_backlight->removed = true;
|
|
cancel_work_sync(&drvdata->kbd_backlight->work);
|
|
}
|
|
|
|
hid_hw_stop(hdev);
|
|
}
|
|
|
|
static const __u8 asus_g752_fixed_rdesc[] = {
|
|
0x19, 0x00, /* Usage Minimum (0x00) */
|
|
0x2A, 0xFF, 0x00, /* Usage Maximum (0xFF) */
|
|
};
|
|
|
|
static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
|
|
unsigned int *rsize)
|
|
{
|
|
struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
|
|
|
|
if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT &&
|
|
*rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) {
|
|
hid_info(hdev, "Fixing up Asus notebook report descriptor\n");
|
|
rdesc[55] = 0xdd;
|
|
}
|
|
/* For the T100TA/T200TA keyboard dock */
|
|
if (drvdata->quirks & QUIRK_T100_KEYBOARD &&
|
|
(*rsize == 76 || *rsize == 101) &&
|
|
rdesc[73] == 0x81 && rdesc[74] == 0x01) {
|
|
hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n");
|
|
rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT;
|
|
}
|
|
/* For the T100CHI/T90CHI keyboard dock */
|
|
if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
|
|
int rsize_orig;
|
|
int offs;
|
|
|
|
if (drvdata->quirks & QUIRK_T100CHI) {
|
|
rsize_orig = 403;
|
|
offs = 388;
|
|
} else {
|
|
rsize_orig = 306;
|
|
offs = 291;
|
|
}
|
|
|
|
/*
|
|
* Change Usage (76h) to Usage Minimum (00h), Usage Maximum
|
|
* (FFh) and clear the flags in the Input() byte.
|
|
* Note the descriptor has a bogus 0 byte at the end so we
|
|
* only need 1 extra byte.
|
|
*/
|
|
if (*rsize == rsize_orig &&
|
|
rdesc[offs] == 0x09 && rdesc[offs + 1] == 0x76) {
|
|
*rsize = rsize_orig + 1;
|
|
rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL);
|
|
if (!rdesc)
|
|
return NULL;
|
|
|
|
hid_info(hdev, "Fixing up %s keyb report descriptor\n",
|
|
drvdata->quirks & QUIRK_T100CHI ?
|
|
"T100CHI" : "T90CHI");
|
|
memmove(rdesc + offs + 4, rdesc + offs + 2, 12);
|
|
rdesc[offs] = 0x19;
|
|
rdesc[offs + 1] = 0x00;
|
|
rdesc[offs + 2] = 0x29;
|
|
rdesc[offs + 3] = 0xff;
|
|
rdesc[offs + 14] = 0x00;
|
|
}
|
|
}
|
|
|
|
if (drvdata->quirks & QUIRK_G752_KEYBOARD &&
|
|
*rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) {
|
|
/* report is missing usage mninum and maximum */
|
|
__u8 *new_rdesc;
|
|
size_t new_size = *rsize + sizeof(asus_g752_fixed_rdesc);
|
|
|
|
new_rdesc = devm_kzalloc(&hdev->dev, new_size, GFP_KERNEL);
|
|
if (new_rdesc == NULL)
|
|
return rdesc;
|
|
|
|
hid_info(hdev, "Fixing up Asus G752 keyb report descriptor\n");
|
|
/* copy the valid part */
|
|
memcpy(new_rdesc, rdesc, 61);
|
|
/* insert missing part */
|
|
memcpy(new_rdesc + 61, asus_g752_fixed_rdesc, sizeof(asus_g752_fixed_rdesc));
|
|
/* copy remaining data */
|
|
memcpy(new_rdesc + 61 + sizeof(asus_g752_fixed_rdesc), rdesc + 61, *rsize - 61);
|
|
|
|
*rsize = new_size;
|
|
rdesc = new_rdesc;
|
|
}
|
|
|
|
return rdesc;
|
|
}
|
|
|
|
static const struct hid_device_id asus_devices[] = {
|
|
{ HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
|
|
USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS},
|
|
{ HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
|
|
USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
|
|
USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
|
|
USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
|
|
USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
|
|
USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD),
|
|
QUIRK_USE_KBD_BACKLIGHT },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
|
|
USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD),
|
|
QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
|
|
USB_DEVICE_ID_ASUSTEK_T100TAF_KEYBOARD),
|
|
QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
|
|
USB_DEVICE_ID_ASUSTEK_T101HA_KEYBOARD), QUIRK_T101HA_DOCK },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) },
|
|
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK,
|
|
USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), QUIRK_T100CHI },
|
|
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(hid, asus_devices);
|
|
|
|
static struct hid_driver asus_driver = {
|
|
.name = "asus",
|
|
.id_table = asus_devices,
|
|
.report_fixup = asus_report_fixup,
|
|
.probe = asus_probe,
|
|
.remove = asus_remove,
|
|
.input_mapping = asus_input_mapping,
|
|
.input_configured = asus_input_configured,
|
|
#ifdef CONFIG_PM
|
|
.reset_resume = asus_reset_resume,
|
|
#endif
|
|
.event = asus_event,
|
|
.raw_event = asus_raw_event
|
|
};
|
|
module_hid_driver(asus_driver);
|
|
|
|
MODULE_LICENSE("GPL");
|