From nobody Fri Oct 10 14:03:14 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 67D011E22FC; Tue, 17 Jun 2025 07:31:43 +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=1750145503; cv=none; b=n13qEHlmOGVGQmoRO5IcmUmQOWFP6QHhQIDRvjnXtEYdb+6Oz/Fns+Rw2SIOMg8dpOHp2tETJWwBABtEbhqPtPjTQzeEVDvqZq4Wx3E4t3ekESkAra48mZtO0jGsYfFCZFpff5Cl0NNa78WF5PQUcxohYtN+fDl7Lz3fawQ35Is= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750145503; c=relaxed/simple; bh=16N0ehkJWytFD5jx5wDbSTZhtNf5Qf6vx2SOhlkAC1Y=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Uq4uQWXOrlsDAXWlVwcXbw96vo/J0sLisIG9GfBQz102DKAOZc6LuzSzyqW82nrvtlRoRI/q8qKVls6hWwUvcXQuZzr1hkeQU9HxQUNRjC0CrCqiJXUSR2duIZRK8TMxf1MI7/s+cT6nL9UtJFQ3KrT9NETOqdqQIVDsSy1VHlU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=W5Tk7Xrx; 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="W5Tk7Xrx" Received: by smtp.kernel.org (Postfix) with ESMTPS id E25E1C4CEF7; Tue, 17 Jun 2025 07:31:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux.dev; s=korg; t=1750145502; bh=16N0ehkJWytFD5jx5wDbSTZhtNf5Qf6vx2SOhlkAC1Y=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=W5Tk7XrxMVaiCjlLaD1ZsDEg4V2ER7IWbKshfxw58qGO6EVp4dPdbZf5ZyVrgyae9 dA1BBOWSVHUe0kELvGOZyL0RcoHolq84w/wqMLLcRXpMcqo208MLflX48XDDYmmGqS OjATOlbLd0U/C94stJk9iHjzhUycyGwwgWULh5kU= 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 D215FC7115D; Tue, 17 Jun 2025 07:31:42 +0000 (UTC) From: Richard Leitner Date: Tue, 17 Jun 2025 09:31:38 +0200 Subject: [PATCH v5 04/10] Documentation: uAPI: media: add V4L2_CID_FLASH_DURATION 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: <20250617-ov9282-flash-strobe-v5-4-9762da74d065@linux.dev> References: <20250617-ov9282-flash-strobe-v5-0-9762da74d065@linux.dev> In-Reply-To: <20250617-ov9282-flash-strobe-v5-0-9762da74d065@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=1750145501; l=1038; i=richard.leitner@linux.dev; s=20250225; h=from:subject:message-id; bh=16N0ehkJWytFD5jx5wDbSTZhtNf5Qf6vx2SOhlkAC1Y=; b=DVSTCYqNJufAJ3eLL86OJ8J58+xjr+B8yJkFVS4dnrxT53dv3Po4+gGFv81Z2jtJs1PWzSllW aOcTeZmAgFCAt8ZqtbtsOFUemwNxb+Wi1pxyh4nONJ4MIdO/ea56VsE 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 the new strobe_duration control to v4l uAPI documentation. Signed-off-by: Richard Leitner --- 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/Do= cumentation/userspace-api/media/v4l/ext-ctrls-flash.rst index d22c5efb806a183a3ad67ec3e6550b002a51659a..03a58ef94be7c870f55d5a9bb09= 503995dbfb402 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 (=C2=B5s) + if possible. --=20 2.47.2