From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Leitner Date: Wed, 16 Jul 2025 11:06:55 +0200 Subject: [PATCH v6 05/11] Documentation: uAPI: media: add V4L2_CID_FLASH_HW_STROBE_SIGNAL MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20250716-ov9282-flash-strobe-v6-5-934f12aeff33@linux.dev> References: <20250716-ov9282-flash-strobe-v6-0-934f12aeff33@linux.dev> In-Reply-To: <20250716-ov9282-flash-strobe-v6-0-934f12aeff33@linux.dev> To: Sakari Ailus , Dave Stevenson , Mauro Carvalho Chehab , Lee Jones , Pavel Machek , Laurent Pinchart Cc: Hans Verkuil , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org, Richard Leitner X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1752656846; l=1182; i=richard.leitner@linux.dev; s=20250225; h=from:subject:message-id; bh=lJUA/HTTIB5OPd67y2vtLKCQ0ts0kps9jsdTJGZwJyk=; b=fgleXUKtAWZqXdfokkA0eBdArbpobxJ1udxoGb1AqOJYHsBbOpTldfB36V1u4A7tSEODoDGeR OxvfJ0g4Z9wCGcPDWTfYitJ/ReFtGYA6NMO3BnyPiGb3R1j8VzgoVDJ X-Developer-Key: i=richard.leitner@linux.dev; a=ed25519; pk=8hZNyyyQFqZ5ruVJsSGBSPIrmJpfDm5HwHU4QVOP1Pk= X-Endpoint-Received: by B4 Relay for richard.leitner@linux.dev/20250225 with auth_id=350 List-Id: B4 Relay Submissions Add new hardware strobe signal control to v4l uAPI documentation. Signed-off-by: Richard Leitner --- Documentation/userspace-api/media/v4l/ext-ctrls-flash.rst | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-flash.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-flash.rst index 03a58ef94be7c870f55d5a9bb09503995dbfb402..af43e7329cb77cf952b8996cd8c5384eae08c3fc 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-flash.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-flash.rst @@ -191,3 +191,9 @@ Flash Control IDs 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. + +``V4L2_CID_FLASH_HW_STROBE_SIGNAL (boolean)`` + Enable or disable the output of a hardware strobe signal. This is typically + set on a sensor that provides a hardware strobe output which is connected + to a flash device/LEDs. The flash device should then be configured to use + an external strobe source (V4L2_FLASH_STROBE_SOURCE_EXTERNAL). -- 2.47.2