diff options
| author | Andrew Lunn <andrew@lunn.ch> | 2015-08-20 11:41:01 +0200 |
|---|---|---|
| committer | Jacek Anaszewski <j.anaszewski@samsung.com> | 2016-01-04 09:57:32 +0100 |
| commit | d890389f89bcdd5c45023721a48f8da2da563ea3 (patch) | |
| tree | b4c0886f10a0b4e22898ae8d503861d0d322e638 /drivers/leds | |
| parent | fa1706c42ec1b60c804a1214afc771bab0395aa3 (diff) | |
leds: tlc591xx: Remove work queue
Now the core implements the work queue, remove it from the driver,
and switch to using brightness_set_blocking op.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/leds-tlc591xx.c | 31 |
1 files changed, 7 insertions, 24 deletions
diff --git a/drivers/leds/leds-tlc591xx.c b/drivers/leds/leds-tlc591xx.c index b806eca83d27..304531644938 100644 --- a/drivers/leds/leds-tlc591xx.c +++ b/drivers/leds/leds-tlc591xx.c @@ -14,7 +14,6 @@ #include <linux/of_device.h> #include <linux/regmap.h> #include <linux/slab.h> -#include <linux/workqueue.h> #define TLC591XX_MAX_LEDS 16 @@ -42,13 +41,11 @@ #define LEDOUT_MASK 0x3 #define ldev_to_led(c) container_of(c, struct tlc591xx_led, ldev) -#define work_to_led(work) container_of(work, struct tlc591xx_led, work) struct tlc591xx_led { bool active; unsigned int led_no; struct led_classdev ldev; - struct work_struct work; struct tlc591xx_priv *priv; }; @@ -110,12 +107,12 @@ tlc591xx_set_pwm(struct tlc591xx_priv *priv, struct tlc591xx_led *led, return regmap_write(priv->regmap, pwm, brightness); } -static void -tlc591xx_led_work(struct work_struct *work) +static int +tlc591xx_brightness_set(struct led_classdev *led_cdev, + enum led_brightness brightness) { - struct tlc591xx_led *led = work_to_led(work); + struct tlc591xx_led *led = ldev_to_led(led_cdev); struct tlc591xx_priv *priv = led->priv; - enum led_brightness brightness = led->ldev.brightness; int err; switch (brightness) { @@ -131,18 +128,7 @@ tlc591xx_led_work(struct work_struct *work) err = tlc591xx_set_pwm(priv, led, brightness); } - if (err) - dev_err(led->ldev.dev, "Failed setting brightness\n"); -} - -static void -tlc591xx_brightness_set(struct led_classdev *led_cdev, - enum led_brightness brightness) -{ - struct tlc591xx_led *led = ldev_to_led(led_cdev); - - led->ldev.brightness = brightness; - schedule_work(&led->work); + return err; } static void @@ -151,10 +137,8 @@ tlc591xx_destroy_devices(struct tlc591xx_priv *priv, unsigned int j) int i = j; while (--i >= 0) { - if (priv->leds[i].active) { + if (priv->leds[i].active) led_classdev_unregister(&priv->leds[i].ldev); - cancel_work_sync(&priv->leds[i].work); - } } } @@ -175,9 +159,8 @@ tlc591xx_configure(struct device *dev, led->priv = priv; led->led_no = i; - led->ldev.brightness_set = tlc591xx_brightness_set; + led->ldev.brightness_set_blocking = tlc591xx_brightness_set; led->ldev.max_brightness = LED_FULL; - INIT_WORK(&led->work, tlc591xx_led_work); err = led_classdev_register(dev, &led->ldev); if (err < 0) { dev_err(dev, "couldn't register LED %s\n", |