From 7c4b10a2ebf81ccf6020cde6fdb554e5622195ff Mon Sep 17 00:00:00 2001 From: Andrew Lunn Date: Thu, 20 Aug 2015 12:28:26 +0200 Subject: leds: lp8860: Remove work queue Now the core implements the work queue, remove it from the drivers, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn Acked-by: Dan Murphy Signed-off-by: Jacek Anaszewski --- drivers/leds/leds-lp8860.c | 27 +++++++-------------------- 1 file changed, 7 insertions(+), 20 deletions(-) diff --git a/drivers/leds/leds-lp8860.c b/drivers/leds/leds-lp8860.c index 79f084354e67..3e70775a2d54 100644 --- a/drivers/leds/leds-lp8860.c +++ b/drivers/leds/leds-lp8860.c @@ -91,26 +91,22 @@ /** * struct lp8860_led - * @lock - Lock for reading/writing the device - * @work - Work item used to off load the brightness register writes * @client - Pointer to the I2C client * @led_dev - led class device pointer * @regmap - Devices register map * @eeprom_regmap - EEPROM register map * @enable_gpio - VDDIO/EN gpio to enable communication interface * @regulator - LED supply regulator pointer - * @brightness - Current brightness value requested * @label - LED label **/ struct lp8860_led { struct mutex lock; - struct work_struct work; struct i2c_client *client; struct led_classdev led_dev; struct regmap *regmap; struct regmap *eeprom_regmap; struct gpio_desc *enable_gpio; struct regulator *regulator; - enum led_brightness brightness; const char *label; }; @@ -212,11 +208,13 @@ out: return ret; } -static void lp8860_led_brightness_work(struct work_struct *work) +static int lp8860_brightness_set(struct led_classdev *led_cdev, + enum led_brightness brt_val) { - struct lp8860_led *led = container_of(work, struct lp8860_led, work); + struct lp8860_led *led = + container_of(led_cdev, struct lp8860_led, led_dev); + int disp_brightness = brt_val * 255; int ret; - int disp_brightness = led->brightness * 255; mutex_lock(&led->lock); @@ -241,16 +239,7 @@ static void lp8860_led_brightness_work(struct work_struct *work) } out: mutex_unlock(&led->lock); -} - -static void lp8860_brightness_set(struct led_classdev *led_cdev, - enum led_brightness brt_val) -{ - struct lp8860_led *led = - container_of(led_cdev, struct lp8860_led, led_dev); - - led->brightness = brt_val; - schedule_work(&led->work); + return ret; } static int lp8860_init(struct lp8860_led *led) @@ -406,10 +395,9 @@ static int lp8860_probe(struct i2c_client *client, led->client = client; led->led_dev.name = led->label; led->led_dev.max_brightness = LED_FULL; - led->led_dev.brightness_set = lp8860_brightness_set; + led->led_dev.brightness_set_blocking = lp8860_brightness_set; mutex_init(&led->lock); - INIT_WORK(&led->work, lp8860_led_brightness_work); i2c_set_clientdata(client, led); @@ -448,7 +436,6 @@ static int lp8860_remove(struct i2c_client *client) int ret; led_classdev_unregister(&led->led_dev); - cancel_work_sync(&led->work); if (led->enable_gpio) gpiod_direction_output(led->enable_gpio, 0); -- cgit v1.2.3-59-g8ed1b