Trigger driver can be initialized after the LED class device driver. In such case led_trigger_set_default() won't be called and flag LED_INIT_DEFAULT_TRIGGER should be set from led_trigger_register().
Signed-off-by: Krzysztof Kozlowski <[email protected]> --- drivers/leds/led-triggers.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c index 9421222ca7a0..c67b044ae0af 100644 --- a/drivers/leds/led-triggers.c +++ b/drivers/leds/led-triggers.c @@ -252,8 +252,10 @@ int led_trigger_register(struct led_trigger *trig) list_for_each_entry(led_cdev, &leds_list, node) { down_write(&led_cdev->trigger_lock); if (!led_cdev->trigger && led_cdev->default_trigger && - !strcmp(led_cdev->default_trigger, trig->name)) + !strcmp(led_cdev->default_trigger, trig->name)) { + led_cdev->flags |= LED_INIT_DEFAULT_TRIGGER; led_trigger_set(led_cdev, trig); + } up_write(&led_cdev->trigger_lock); } up_read(&leds_list_lock); -- 2.7.4
