leds-lp5523: set the brightness to 0 forcely on removing the driver

Turning off the brightness of each channel is required
when removing the driver.

So use flush_work() rather than cancel_work_sync() to execute
remaining brightness works.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index 9fd9a92ed916..2fd5689f65c0 100644
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -974,7 +974,7 @@ static int __devinit lp5523_probe(struct i2c_client *client,
 fail2:
         for (i = 0; i < chip->num_leds; i++) {
                 led_classdev_unregister(&chip->leds[i].cdev);
-                cancel_work_sync(&chip->leds[i].brightness_work);
+                flush_work(&chip->leds[i].brightness_work);
         }
 fail1:
         if (pdata->enable)
@@ -993,7 +993,7 @@ static int lp5523_remove(struct i2c_client *client)
 
         for (i = 0; i < chip->num_leds; i++) {
                 led_classdev_unregister(&chip->leds[i].cdev);
-                cancel_work_sync(&chip->leds[i].brightness_work);
+                flush_work(&chip->leds[i].brightness_work);
         }
 
         if (chip->pdata->enable)