diff options
| author | Andrew Lunn <andrew@lunn.ch> | 2015-08-20 12:40:45 +0200 |
|---|---|---|
| committer | Jacek Anaszewski <j.anaszewski@samsung.com> | 2016-01-04 09:57:34 +0100 |
| commit | f633a512e8319a1bd428740deccf53b4dc5974e7 (patch) | |
| tree | c395718050fc62363523da4c7bbde261eb52fa8c /drivers/leds | |
| parent | 5029a2e336e70035ed1d6f491f3348164cc36c3e (diff) | |
leds: wm831x: 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 <andrew@lunn.ch>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/leds-wm831x-status.c | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/drivers/leds/leds-wm831x-status.c b/drivers/leds/leds-wm831x-status.c index 56027ef7c7e8..64a22263e7fc 100644 --- a/drivers/leds/leds-wm831x-status.c +++ b/drivers/leds/leds-wm831x-status.c @@ -23,7 +23,6 @@ struct wm831x_status { struct led_classdev cdev; struct wm831x *wm831x; - struct work_struct work; struct mutex mutex; spinlock_t value_lock; @@ -40,10 +39,8 @@ struct wm831x_status { #define to_wm831x_status(led_cdev) \ container_of(led_cdev, struct wm831x_status, cdev) -static void wm831x_status_work(struct work_struct *work) +static void wm831x_status_set(struct wm831x_status *led) { - struct wm831x_status *led = container_of(work, struct wm831x_status, - work); unsigned long flags; mutex_lock(&led->mutex); @@ -70,8 +67,8 @@ static void wm831x_status_work(struct work_struct *work) mutex_unlock(&led->mutex); } -static void wm831x_status_set(struct led_classdev *led_cdev, - enum led_brightness value) +static int wm831x_status_brightness_set(struct led_classdev *led_cdev, + enum led_brightness value) { struct wm831x_status *led = to_wm831x_status(led_cdev); unsigned long flags; @@ -80,8 +77,10 @@ static void wm831x_status_set(struct led_classdev *led_cdev, led->brightness = value; if (value == LED_OFF) led->blink = 0; - schedule_work(&led->work); spin_unlock_irqrestore(&led->value_lock, flags); + wm831x_status_set(led); + + return 0; } static int wm831x_status_blink_set(struct led_classdev *led_cdev, @@ -147,11 +146,8 @@ static int wm831x_status_blink_set(struct led_classdev *led_cdev, else led->blink = 0; - /* Always update; if we fail turn off blinking since we expect - * a software fallback. */ - schedule_work(&led->work); - spin_unlock_irqrestore(&led->value_lock, flags); + wm831x_status_set(led); return ret; } @@ -206,11 +202,9 @@ static ssize_t wm831x_status_src_store(struct device *dev, for (i = 0; i < ARRAY_SIZE(led_src_texts); i++) { if (!strcmp(name, led_src_texts[i])) { mutex_lock(&led->mutex); - led->src = i; - schedule_work(&led->work); - mutex_unlock(&led->mutex); + wm831x_status_set(led); } } @@ -262,7 +256,6 @@ static int wm831x_status_probe(struct platform_device *pdev) pdata.name = dev_name(&pdev->dev); mutex_init(&drvdata->mutex); - INIT_WORK(&drvdata->work, wm831x_status_work); spin_lock_init(&drvdata->value_lock); /* We cache the configuration register and read startup values @@ -287,7 +280,7 @@ static int wm831x_status_probe(struct platform_device *pdev) drvdata->cdev.name = pdata.name; drvdata->cdev.default_trigger = pdata.default_trigger; - drvdata->cdev.brightness_set = wm831x_status_set; + drvdata->cdev.brightness_set_blocking = wm831x_status_brightness_set; drvdata->cdev.blink_set = wm831x_status_blink_set; drvdata->cdev.groups = wm831x_status_groups; |