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| author |   Tomi Valkeinen <tomi.valkeinen@ti.com> | 2019-10-03 10:28:09 +0200 |
|---|---|---|
| committer |   Pavel <pavel@ucw.cz> | 2020-01-06 00:20:06 +0100 |
| commit | 699a8c7c4bd376aee4808e6272188319e900c8af (patch) | |
| tree | b35f95250a065850ed2a35cf22ceb0209fc4c164 /include | |
| parent | leds: lm3532: add pointer to documentation and fix typo (diff) | |
| download | linux-dev-699a8c7c4bd376aee4808e6272188319e900c8af.tar.xz linux-dev-699a8c7c4bd376aee4808e6272188319e900c8af.zip | |
leds: Add of_led_get() and led_put()
This patch adds basic support for a kernel driver to get a LED device.
This will be used by the led-backlight driver.
Only OF version is implemented for now, and the behavior is similar to
PWM's of_pwm_get() and pwm_put().
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/leds.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/leds.h b/include/linux/leds.h index 242258f7d837..dcfb6a325866 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -20,6 +20,7 @@ struct device; struct led_pattern; +struct device_node; /* * LED Core */ @@ -196,6 +197,9 @@ void devm_led_classdev_unregister(struct device *parent, void led_classdev_suspend(struct led_classdev *led_cdev); void led_classdev_resume(struct led_classdev *led_cdev); +extern struct led_classdev *of_led_get(struct device_node *np, int index); +extern void led_put(struct led_classdev *led_cdev); + /** * led_blink_set - set blinking with software fallback * @led_cdev: the LED to start blinking |