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leds: class: If no default trigger is given, make hw_control trigger the default trigger

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If a hw_control_trigger is defined, it's usually desirable to make it
the default trigger. Therefore make it the default trigger, except
the driver explicitly set a default trigger.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/f33543de-3800-488f-a779-1fa282614462@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Heiner Kallweit 2023-12-22 22:32:28 +01:00 committed by Lee Jones
parent fd14a87230
commit 66601a29bb
1 changed files with 6 additions and 0 deletions
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6
drivers/leds/led-class.c
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@ -552,6 +552,12 @@ int led_classdev_register_ext(struct device *parent,
led_init_core(led_cdev);
#ifdef CONFIG_LEDS_TRIGGERS
/*
* If no default trigger was given and hw_control_trigger is set,
* make it the default trigger.
*/
if (!led_cdev->default_trigger && led_cdev->hw_control_trigger)
led_cdev->default_trigger = led_cdev->hw_control_trigger;
led_trigger_set_default(led_cdev);
#endif