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>
diff --git a/drivers/leds/leds-wm831x-status.c b/drivers/leds/leds-wm831x-status.c
index 56027ef..64a2226 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 @@
#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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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;