From nobody Tue Oct 7 01:53:52 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 42F1C2F0043; Wed, 16 Jul 2025 09:07:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752656849; cv=none; b=KVPPLAIi91TQpN/OB4bg1pIo9ftQBHAJX22Le0I0tzrMk1gZg5H15vYctY8Q5UsWEhuGsHXjwOPZIPG5rzAiC+h9mOg2CUNY5W2/k4ldYZXwZ9hsYY8cVhoG/AIS/O7cnj0R6AH64LQmFf1K/vdQQRgunfMysX+44y0JSVSFrEo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752656849; c=relaxed/simple; bh=lJUA/HTTIB5OPd67y2vtLKCQ0ts0kps9jsdTJGZwJyk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=JMDM0Y69t1aBHrMfLeMSm/Y26fs8AtgIPbyQ/EeRSRQjcMbNnnY/fszZ2ZohUND3iR3js6cUQn/bIu1hXucMi8lZLkGHHf8cSatdyLCSsqJc1/95rShk/p75cKd19H7pIY+wIiQbZqj4QgY4fIu+bt+SGBfNxQYpc4SsZMth72w= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=e+UQZq50; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="e+UQZq50" Received: by smtp.kernel.org (Postfix) with ESMTPS id B79C6C113D0; Wed, 16 Jul 2025 09:07:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux.dev; s=korg; t=1752656848; bh=lJUA/HTTIB5OPd67y2vtLKCQ0ts0kps9jsdTJGZwJyk=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=e+UQZq503SrHrerIHJeO14RQVxMPFxeSfQ+OMMBuOAsoHn5NlQvMxWjWwVktagrRU cg+ztK8a6GevrOZgviSJT3++n5ayUY+O7WOSafrP67geUvhiyVXDEzTD9iK3qXLis8 OWz/cx+puPPJhhkjKP4QL7ByPrtYX9vidKZBES9g= Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id ADA34C83F35; Wed, 16 Jul 2025 09:07:28 +0000 (UTC) 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 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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 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/Do= cumentation/userspace-api/media/v4l/ext-ctrls-flash.rst index 03a58ef94be7c870f55d5a9bb09503995dbfb402..af43e7329cb77cf952b8996cd8c= 5384eae08c3fc 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 (=C2=B5s) if possible. + +``V4L2_CID_FLASH_HW_STROBE_SIGNAL (boolean)`` + Enable or disable the output of a hardware strobe signal. This is typi= cally + set on a sensor that provides a hardware strobe output which is connec= ted + to a flash device/LEDs. The flash device should then be configured to = use + an external strobe source (V4L2_FLASH_STROBE_SOURCE_EXTERNAL). --=20 2.47.2