leds: lm3533: 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>
Cc: Johan Hovold <johan@kernel.org>
diff --git a/drivers/leds/leds-lm3533.c b/drivers/leds/leds-lm3533.c
index 6e2e020..196dcb5 100644
--- a/drivers/leds/leds-lm3533.c
+++ b/drivers/leds/leds-lm3533.c
@@ -17,7 +17,6 @@
#include <linux/mutex.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
-#include <linux/workqueue.h>
#include <linux/mfd/lm3533.h>
@@ -53,9 +52,6 @@
struct mutex mutex;
unsigned long flags;
-
- struct work_struct work;
- u8 new_brightness;
};
@@ -123,27 +119,17 @@
return ret;
}
-static void lm3533_led_work(struct work_struct *work)
-{
- struct lm3533_led *led = container_of(work, struct lm3533_led, work);
-
- dev_dbg(led->cdev.dev, "%s - %u\n", __func__, led->new_brightness);
-
- if (led->new_brightness == 0)
- lm3533_led_pattern_enable(led, 0); /* disable blink */
-
- lm3533_ctrlbank_set_brightness(&led->cb, led->new_brightness);
-}
-
-static void lm3533_led_set(struct led_classdev *cdev,
+static int lm3533_led_set(struct led_classdev *cdev,
enum led_brightness value)
{
struct lm3533_led *led = to_lm3533_led(cdev);
dev_dbg(led->cdev.dev, "%s - %d\n", __func__, value);
- led->new_brightness = value;
- schedule_work(&led->work);
+ if (value == 0)
+ lm3533_led_pattern_enable(led, 0); /* disable blink */
+
+ return lm3533_ctrlbank_set_brightness(&led->cb, value);
}
static enum led_brightness lm3533_led_get(struct led_classdev *cdev)
@@ -693,7 +679,7 @@
led->lm3533 = lm3533;
led->cdev.name = pdata->name;
led->cdev.default_trigger = pdata->default_trigger;
- led->cdev.brightness_set = lm3533_led_set;
+ led->cdev.brightness_set_blocking = lm3533_led_set;
led->cdev.brightness_get = lm3533_led_get;
led->cdev.blink_set = lm3533_led_blink_set;
led->cdev.brightness = LED_OFF;
@@ -701,7 +687,6 @@
led->id = pdev->id;
mutex_init(&led->mutex);
- INIT_WORK(&led->work, lm3533_led_work);
/* The class framework makes a callback to get brightness during
* registration so use parent device (for error reporting) until
@@ -733,7 +718,6 @@
err_unregister:
led_classdev_unregister(&led->cdev);
- flush_work(&led->work);
return ret;
}
@@ -746,7 +730,6 @@
lm3533_ctrlbank_disable(&led->cb);
led_classdev_unregister(&led->cdev);
- flush_work(&led->work);
return 0;
}
@@ -760,7 +743,6 @@
lm3533_ctrlbank_disable(&led->cb);
lm3533_led_set(&led->cdev, LED_OFF); /* disable blink */
- flush_work(&led->work);
}
static struct platform_driver lm3533_led_driver = {