GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-23 07:01:23 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

leds: wm831x: Remove work queue

Browse source 
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>
This commit is contained in:
Andrew Lunn 2015-08-20 12:40:45 +02:00 • committed by Jacek Anaszewski
parent 5029a2e336
commit f633a512e8
1 changed files with 9 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

23
drivers/leds/leds-wm831x-status.c
View file

@ -23,7 +23,6 @@
struct wm831x_status { struct wm831x_status {
struct led_classdev cdev; struct led_classdev cdev;
struct wm831x *wm831x; struct wm831x *wm831x;
struct work_struct work;
struct mutex mutex; struct mutex mutex;
spinlock_t value_lock; spinlock_t value_lock;
@ -40,10 +39,8 @@ struct wm831x_status {
#define to_wm831x_status(led_cdev) \ #define to_wm831x_status(led_cdev) \
container_of(led_cdev, struct wm831x_status, 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; unsigned long flags;
mutex_lock(&led->mutex); mutex_lock(&led->mutex);
@ -70,7 +67,7 @@ static void wm831x_status_work(struct work_struct *work)
mutex_unlock(&led->mutex); mutex_unlock(&led->mutex);
} }
static void wm831x_status_set(struct led_classdev *led_cdev, static int wm831x_status_brightness_set(struct led_classdev *led_cdev,
enum led_brightness value) enum led_brightness value)
{ {
struct wm831x_status *led = to_wm831x_status(led_cdev); struct wm831x_status *led = to_wm831x_status(led_cdev);
@ -80,8 +77,10 @@ static void wm831x_status_set(struct led_classdev *led_cdev,
led->brightness = value; led->brightness = value;
if (value == LED_OFF) if (value == LED_OFF)
led->blink = 0; led->blink = 0;
schedule_work(&led->work);
spin_unlock_irqrestore(&led->value_lock, flags); spin_unlock_irqrestore(&led->value_lock, flags);
wm831x_status_set(led);
return 0;
} }
static int wm831x_status_blink_set(struct led_classdev *led_cdev, 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 else
led->blink = 0; 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); spin_unlock_irqrestore(&led->value_lock, flags);
wm831x_status_set(led);
return ret; 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++) { for (i = 0; i < ARRAY_SIZE(led_src_texts); i++) {
if (!strcmp(name, led_src_texts[i])) { if (!strcmp(name, led_src_texts[i])) {
mutex_lock(&led->mutex); mutex_lock(&led->mutex);
led->src = i; led->src = i;
schedule_work(&led->work);
mutex_unlock(&led->mutex); 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); pdata.name = dev_name(&pdev->dev);
mutex_init(&drvdata->mutex); mutex_init(&drvdata->mutex);
INIT_WORK(&drvdata->work, wm831x_status_work);
spin_lock_init(&drvdata->value_lock); spin_lock_init(&drvdata->value_lock);
/* We cache the configuration register and read startup values /* 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.name = pdata.name;
drvdata->cdev.default_trigger = pdata.default_trigger; 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.blink_set = wm831x_status_blink_set;
drvdata->cdev.groups = wm831x_status_groups; drvdata->cdev.groups = wm831x_status_groups;