[PATCH 4.9 30/56] led: core: Fix brightness setting when setting delay_off=0

2018-03-02 Thread Greg Kroah-Hartman
4.9-stable review patch.  If anyone has any objections, please let me know.

--

From: Matthieu CASTET 


[ Upstream commit 2b83ff96f51d0b039c4561b9f95c824d7bddb85c ]

With the current code, the following sequence won't work :
echo timer > trigger

echo 0 >  delay_off
* at this point we call
** led_delay_off_store
** led_blink_set
---
 drivers/leds/led-core.c |2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/leds/led-core.c
+++ b/drivers/leds/led-core.c
@@ -186,7 +186,7 @@ void led_blink_set(struct led_classdev *
   unsigned long *delay_on,
   unsigned long *delay_off)
 {
-   del_timer_sync(_cdev->blink_timer);
+   led_stop_software_blink(led_cdev);
 
led_cdev->flags &= ~LED_BLINK_ONESHOT;
led_cdev->flags &= ~LED_BLINK_ONESHOT_STOP;




[PATCH 4.9 30/56] led: core: Fix brightness setting when setting delay_off=0

2018-03-02 Thread Greg Kroah-Hartman
4.9-stable review patch.  If anyone has any objections, please let me know.

--

From: Matthieu CASTET 


[ Upstream commit 2b83ff96f51d0b039c4561b9f95c824d7bddb85c ]

With the current code, the following sequence won't work :
echo timer > trigger

echo 0 >  delay_off
* at this point we call
** led_delay_off_store
** led_blink_set
---
 drivers/leds/led-core.c |2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/leds/led-core.c
+++ b/drivers/leds/led-core.c
@@ -186,7 +186,7 @@ void led_blink_set(struct led_classdev *
   unsigned long *delay_on,
   unsigned long *delay_off)
 {
-   del_timer_sync(_cdev->blink_timer);
+   led_stop_software_blink(led_cdev);
 
led_cdev->flags &= ~LED_BLINK_ONESHOT;
led_cdev->flags &= ~LED_BLINK_ONESHOT_STOP;