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| author | Jean-Jacques Hiblot <jjhiblot@traphandler.com> | 2023-07-28 17:37:28 +0200 |
|---|---|---|
| committer | Lee Jones <lee@kernel.org> | 2023-08-17 09:00:06 +0100 |
| commit | afb48153220d35f330d0d979792920a31f7d9a81 (patch) | |
| tree | 54ce29822b21abc872002ab3ac0d4b96bc312965 /include/linux/leds.h | |
| parent | 179507fcd5e448eaecae9b69f0fb30965c3c4466 (diff) | |
| download | linux-stable-afb48153220d35f330d0d979792920a31f7d9a81.tar.gz linux-stable-afb48153220d35f330d0d979792920a31f7d9a81.tar.bz2 linux-stable-afb48153220d35f330d0d979792920a31f7d9a81.zip | |
leds: Provide devm_of_led_get_optional()
Add an optional variant of devm_of_led_get(). It behaves the same as
devm_of_led_get() except where the LED doesn't exist. In this case,
instead of returning -ENOENT, the function returns NULL.
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@traphandler.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20230728153731.3742339-2-jjhiblot@traphandler.com
Signed-off-by: Lee Jones <lee@kernel.org>
Diffstat (limited to 'include/linux/leds.h')
| -rw-r--r-- | include/linux/leds.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/leds.h b/include/linux/leds.h index 7d428100b42b..8740b4e47f88 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -313,6 +313,8 @@ extern struct led_classdev *of_led_get(struct device_node *np, int index); extern void led_put(struct led_classdev *led_cdev); struct led_classdev *__must_check devm_of_led_get(struct device *dev, int index); +struct led_classdev *__must_check devm_of_led_get_optional(struct device *dev, + int index); /** * led_blink_set - set blinking with software fallback |