[PATCH v2 4/8] Documentation: uAPI: media: add V4L2_CID_FLASH_DURATION

From: Richard Leitner
Date: Fri Mar 14 2025 - 04:50:40 EST


Add the new strobe_duration control to v4l uAPI documentation.

Signed-off-by: Richard Leitner <richard.leitner@xxxxxxxxx>
---
Documentation/userspace-api/media/v4l/ext-ctrls-flash.rst | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-flash.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-flash.rst
index d22c5efb806a183a3ad67ec3e6550b002a51659a..03a58ef94be7c870f55d5a9bb09503995dbfb402 100644
--- a/Documentation/userspace-api/media/v4l/ext-ctrls-flash.rst
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-flash.rst
@@ -186,3 +186,8 @@ Flash Control IDs
charged before strobing. LED flashes often require a cooldown period
after strobe during which another strobe will not be possible. This
is a read-only control.
+
+``V4L2_CID_FLASH_DURATION (integer)``
+ Duration the flash should be on when the flash LED is in flash mode
+ (V4L2_FLASH_LED_MODE_FLASH). The unit should be microseconds (µs)
+ if possible.

--
2.47.2