diff --git a/drivers/input/touchscreen/cyttsp5_core.c b/drivers/input/touchscreen/cyttsp5_core.c index 45a48c5aad85..1327571e1df9 100644 --- a/drivers/input/touchscreen/cyttsp5_core.c +++ b/drivers/input/touchscreen/cyttsp5_core.c @@ -30,7 +30,6 @@ #include #include -#define CY_WACOM_SCAN_TIMEOUT_MS 500 #define CY_CORE_STARTUP_RETRY_COUNT 3 MODULE_FIRMWARE(CY_FW_FILE_NAME); @@ -39,9 +38,6 @@ static const char *cy_driver_core_name = CYTTSP5_CORE_NAME; static const char *cy_driver_core_version = CY_DRIVER_VERSION; static const char *cy_driver_core_date = CY_DRIVER_DATE; -extern int wacom_notifier_register(struct notifier_block *nb); -extern int wacom_notifier_unregister(struct notifier_block *nb); - struct cyttsp5_hid_field { int report_count; int report_size; @@ -5674,45 +5670,6 @@ static void cyttsp5_setup_fb_notifier(struct cyttsp5_core_data *cd) } #endif -static int cyttsp5_wacom_notifier_call(struct notifier_block *nb, - unsigned long action, void *data) -{ - struct cyttsp5_core_data *cd = container_of(nb, struct cyttsp5_core_data, wacom_notifier); - - if (atomic_read(&cd->wacom_scanning) == 0) { - atomic_inc(&cd->wacom_scanning); - schedule_work(&cd->wacom_work); - }; - - mod_timer(&cd->wacom_timer, - jiffies + msecs_to_jiffies(CY_WACOM_SCAN_TIMEOUT_MS)); - - return 0; -} - -static void cyttsp5_wacom_timer(unsigned long data) -{ - struct cyttsp5_core_data *cd = (struct cyttsp5_core_data *) data; - - atomic_set(&cd->wacom_scanning, 0); - schedule_work(&cd->wacom_work); -} - -static void cyttsp5_wacom_work(struct work_struct *work) -{ - struct cyttsp5_core_data *cd = container_of(work, - struct cyttsp5_core_data, - wacom_work); - - if (atomic_read(&cd->wacom_scanning) == 0) { - dev_dbg(cd->dev, "Power on touch\n"); - cyttsp5_hid_cmd_set_power(cd, HID_POWER_ON); - } else { - dev_dbg(cd->dev, "Set touch sleep\n"); - cyttsp5_hid_cmd_set_power(cd, HID_POWER_SLEEP); - } -} - static int cyttsp5_setup_irq_gpio(struct cyttsp5_core_data *cd) { struct device *dev = cd->dev; @@ -5934,11 +5891,6 @@ int cyttsp5_probe(const struct cyttsp5_bus_ops *ops, struct device *dev, register_pm_notifier(&cd->pm_notifier); #endif - INIT_WORK(&cd->wacom_work, cyttsp5_wacom_work); - cd->wacom_notifier.notifier_call = cyttsp5_wacom_notifier_call; - wacom_notifier_register(&cd->wacom_notifier); - setup_timer(&cd->wacom_timer, cyttsp5_wacom_timer, (unsigned long) cd); - return 0; error_startup_btn: @@ -5980,9 +5932,6 @@ int cyttsp5_release(struct cyttsp5_core_data *cd) { struct device *dev = cd->dev; - del_timer(&cd->wacom_timer); - wacom_notifier_unregister(&cd->wacom_notifier); - /* Release successfully probed modules */ cyttsp5_release_modules(cd); diff --git a/drivers/input/touchscreen/cyttsp5_regs.h b/drivers/input/touchscreen/cyttsp5_regs.h index e9304b7f82ac..8e15eb6fecda 100644 --- a/drivers/input/touchscreen/cyttsp5_regs.h +++ b/drivers/input/touchscreen/cyttsp5_regs.h @@ -966,10 +966,6 @@ struct cyttsp5_core_data { struct notifier_block fb_notifier; enum cyttsp5_fb_state fb_state; #endif - struct notifier_block wacom_notifier; - struct timer_list wacom_timer; - atomic_t wacom_scanning; - struct work_struct wacom_work; #ifdef TTHE_TUNER_SUPPORT struct dentry *tthe_debugfs; u8 *tthe_buf; diff --git a/drivers/input/touchscreen/wacom_i2c.c b/drivers/input/touchscreen/wacom_i2c.c index 3109ea162432..5d8147de45ad 100644 --- a/drivers/input/touchscreen/wacom_i2c.c +++ b/drivers/input/touchscreen/wacom_i2c.c @@ -71,8 +71,6 @@ #define WACOM_MAX_DATA_SIZE 22 -static ATOMIC_NOTIFIER_HEAD(scanning_notifier); - struct wacom_features { int x_max; int y_max; @@ -352,22 +350,10 @@ static irqreturn_t wacom_i2c_irq(int irq, void *dev_id) input_set_timestamp(input, timestamp); input_sync(input); - /* Notify that we are in scanning. */ - atomic_notifier_call_chain(&scanning_notifier, 0, NULL); out: return IRQ_HANDLED; } -int wacom_notifier_register(struct notifier_block *nb) -{ - return atomic_notifier_chain_register(&scanning_notifier, nb); -} - -int wacom_notifier_unregister(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&scanning_notifier, nb); -} - static int wacom_i2c_open(struct input_dev *dev) { struct wacom_i2c *wac_i2c = input_get_drvdata(dev);