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authorKrzysztof Kozlowski <krzk@kernel.org>2018-12-10 09:29:59 (GMT)
committerJacek Anaszewski <jacek.anaszewski@gmail.com>2018-12-10 20:31:55 (GMT)
commit8146aace60c7409cc60a1598bc9647a5bbb12eb4 (patch)
tree3cb0c275aaf82dfd79b9e952323a86130705f78a /drivers/leds
parent02d31765bb35101d711b862fc619a49857bb9070 (diff)
led: triggers: Initialize LED_INIT_DEFAULT_TRIGGER if trigger is brought after class
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 <krzk@kernel.org> Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Diffstat (limited to 'drivers/leds')
-rw-r--r--drivers/leds/led-triggers.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c
index f28ce25..2d451b6 100644
--- a/drivers/leds/led-triggers.c
+++ b/drivers/leds/led-triggers.c
@@ -251,8 +251,10 @@ 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);

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