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| author | Richard Leitner <richard.leitner@linux.dev> | 2025-05-07 10:51:31 +0300 |
|---|---|---|
| committer | Lee Jones <lee@kernel.org> | 2025-05-14 11:25:09 +0300 |
| commit | 6a09ae8281986d5fb5ce0115135c05a5afb8718e (patch) | |
| tree | 422ea29ae967b3601ec35da7adb504e88e25b7eb /drivers/leds/led-class-flash.c | |
| parent | f1c86ab98640e9288049673ca2e4517a9df7ed83 (diff) | |
| download | linux-6a09ae8281986d5fb5ce0115135c05a5afb8718e.tar.xz | |
leds: flash: Add support for flash/strobe duration
Add support for the new V4L2_CID_FLASH_DURATION control to the LEDs
driver.
Signed-off-by: Richard Leitner <richard.leitner@linux.dev>
Link: https://lore.kernel.org/r/20250507-ov9282-flash-strobe-v4-2-72b299c1b7c9@linux.dev
Signed-off-by: Lee Jones <lee@kernel.org>
Diffstat (limited to 'drivers/leds/led-class-flash.c')
| -rw-r--r-- | drivers/leds/led-class-flash.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/leds/led-class-flash.c b/drivers/leds/led-class-flash.c index f4e26ce84862..165035a8826c 100644 --- a/drivers/leds/led-class-flash.c +++ b/drivers/leds/led-class-flash.c @@ -440,6 +440,21 @@ int led_update_flash_brightness(struct led_classdev_flash *fled_cdev) } EXPORT_SYMBOL_GPL(led_update_flash_brightness); +int led_set_flash_duration(struct led_classdev_flash *fled_cdev, u32 duration) +{ + struct led_classdev *led_cdev = &fled_cdev->led_cdev; + struct led_flash_setting *s = &fled_cdev->duration; + + s->val = duration; + led_clamp_align(s); + + if (!(led_cdev->flags & LED_SUSPENDED)) + return call_flash_op(fled_cdev, duration_set, s->val); + + return 0; +} +EXPORT_SYMBOL_GPL(led_set_flash_duration); + MODULE_AUTHOR("Jacek Anaszewski <j.anaszewski@samsung.com>"); MODULE_DESCRIPTION("LED Flash class interface"); MODULE_LICENSE("GPL v2"); |