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Commit 8146aace authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by Jacek Anaszewski
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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: default avatarKrzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: default avatarJacek Anaszewski <jacek.anaszewski@gmail.com>
parent 02d31765

drivers/leds/led-triggers.c

+3 −1
Original line number Diff line number Diff line
@@ -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);