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| author | Németh Márton <nm127@freemail.hu> | 2008-03-09 20:54:37 +0000 |
|---|---|---|
| committer | Richard Purdie <rpurdie@rpsys.net> | 2008-04-24 23:34:18 +0100 |
| commit | 0013b23d66a2768f5babbb0ea9f03ab067a990d8 (patch) | |
| tree | 14d60a50bb68e422767a268cd737f70ef4e6e19d /drivers/leds/led-triggers.c | |
| parent | b3ba31f84ea041c0945b5904d4c407ce14b2b72c (diff) | |
| download | linux-0013b23d66a2768f5babbb0ea9f03ab067a990d8.tar.gz linux-0013b23d66a2768f5babbb0ea9f03ab067a990d8.tar.bz2 linux-0013b23d66a2768f5babbb0ea9f03ab067a990d8.zip | |
leds: disable triggers on brightness set
Disable any active triggers when the brightness attribute is
set to zero.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Márton Németh <nm127@freemail.hu>
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Diffstat (limited to 'drivers/leds/led-triggers.c')
| -rw-r--r-- | drivers/leds/led-triggers.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c index 13c9026d68af..21dd96909444 100644 --- a/drivers/leds/led-triggers.c +++ b/drivers/leds/led-triggers.c @@ -45,9 +45,7 @@ ssize_t led_trigger_store(struct device *dev, struct device_attribute *attr, trigger_name[len - 1] = '\0'; if (!strcmp(trigger_name, "none")) { - down_write(&led_cdev->trigger_lock); - led_trigger_set(led_cdev, NULL); - up_write(&led_cdev->trigger_lock); + led_trigger_remove(led_cdev); return count; } @@ -139,6 +137,13 @@ void led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trigger) led_cdev->trigger = trigger; } +void led_trigger_remove(struct led_classdev *led_cdev) +{ + down_write(&led_cdev->trigger_lock); + led_trigger_set(led_cdev, NULL); + up_write(&led_cdev->trigger_lock); +} + void led_trigger_set_default(struct led_classdev *led_cdev) { struct led_trigger *trig; @@ -231,6 +236,7 @@ void led_trigger_unregister_simple(struct led_trigger *trigger) /* Used by LED Class */ EXPORT_SYMBOL_GPL(led_trigger_set); +EXPORT_SYMBOL_GPL(led_trigger_remove); EXPORT_SYMBOL_GPL(led_trigger_set_default); EXPORT_SYMBOL_GPL(led_trigger_show); EXPORT_SYMBOL_GPL(led_trigger_store); |