From nobody Fri Oct 3 12:24:12 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 070773451AB; Mon, 1 Sep 2025 15:05:46 +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=1756739147; cv=none; b=FtbDKLEpSg4ppnZmyk+zCRZ8irhOCpQsNE6984IfZdsjSb1U3Bo/6gslfoQiM/U0Y6XWHVQkUqTwRDQHMUt2c61SbtX7h3PQCacOQkC1vQSZ/VxzcL3jPJr7smkekJr6260ptR7ObdkEM+x2VOjjNG6buIjnAo8cTrD/ygNOe+Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756739147; c=relaxed/simple; bh=5h7OmJD5PtNvkXILVzg5eDKV/6YNZ11G+Tij3lhOaeE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=LSFtq5KdEh+dofkbCQ132ULSL3uJAotE7jZ3QRx+nWpNlQ6l4yDIxMDRamHCAREclxFuvNo8I4iHJR918qocKVUjNoR9Z6x2YXASJIpDaAXiwls/kah8SncbOIo1bW3TMaXjcT0TV8WmvxDU/1Th4DVwDgnU3/kNwigVlvR/Xh4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=FM2kQiPX; 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="FM2kQiPX" Received: by smtp.kernel.org (Postfix) with ESMTPS id B4C41C4CEF5; Mon, 1 Sep 2025 15:05:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux.dev; s=korg; t=1756739146; bh=5h7OmJD5PtNvkXILVzg5eDKV/6YNZ11G+Tij3lhOaeE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=FM2kQiPX3VS5j68xI5jLlfzp9Q6mEMgcey8zEJXY2bDeTlVc21BIiM5SD1h+b4zvd sEJk+Q9GFcGqaTd4kHMbVFStoqMQ/fniqeGGIlMi3MYAp/IvmQX6lTAbB97z+Ajh12 yaBYlgmOP3Fu+5dwdd0Y4Gs8zWz/hqil2YkOqz3w= 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 A3214CA1007; Mon, 1 Sep 2025 15:05:46 +0000 (UTC) From: Richard Leitner Date: Mon, 01 Sep 2025 17:05:08 +0200 Subject: [PATCH v7 03/10] media: v4l: ctrls: add a control for enabling 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: <20250901-ov9282-flash-strobe-v7-3-d58d5a694afc@linux.dev> References: <20250901-ov9282-flash-strobe-v7-0-d58d5a694afc@linux.dev> In-Reply-To: <20250901-ov9282-flash-strobe-v7-0-d58d5a694afc@linux.dev> To: Sakari Ailus , Dave Stevenson , Mauro Carvalho Chehab , Lee Jones , Pavel Machek , Laurent Pinchart Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org, Richard Leitner , Hans Verkuil X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1756739145; l=2084; i=richard.leitner@linux.dev; s=20250225; h=from:subject:message-id; bh=5h7OmJD5PtNvkXILVzg5eDKV/6YNZ11G+Tij3lhOaeE=; b=rw1kcybSIDOWGaINS1Hbvsrq6PdolMoPzFOK/dCXzHwfo9SXC7aM+fd8E5if/ZRyJScI3Y1Nv SVFYVgPuLElCMDtqp+4YwgRdyG06w5TWSer1cZ+wITgzFYoLoi8W4Al 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 a control V4L2_CID_FLASH_HW_STROBE_SIGNAL to en- or disable the strobe output of v4l2 devices (most likely sensors). Signed-off-by: Richard Leitner --- drivers/media/v4l2-core/v4l2-ctrls-defs.c | 2 ++ include/uapi/linux/v4l2-controls.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/media/v4l2-core/v4l2-ctrls-defs.c b/drivers/media/v4l2= -core/v4l2-ctrls-defs.c index f9ed7273a9f3eafe01c31b638e1c8d9fcf5424af..e13214ca362b9bdd23021189630= 08b04fcad8d4c 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls-defs.c +++ b/drivers/media/v4l2-core/v4l2-ctrls-defs.c @@ -1136,6 +1136,7 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_FLASH_CHARGE: return "Charge"; case V4L2_CID_FLASH_READY: return "Ready to Strobe"; case V4L2_CID_FLASH_DURATION: return "Strobe Duration"; + case V4L2_CID_FLASH_HW_STROBE_SIGNAL: return "Hardware Strobe Signal"; =20 /* JPEG encoder controls */ /* Keep the order of the 'case's the same as in v4l2-controls.h! */ @@ -1282,6 +1283,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v= 4l2_ctrl_type *type, case V4L2_CID_FLASH_STROBE_STATUS: case V4L2_CID_FLASH_CHARGE: case V4L2_CID_FLASH_READY: + case V4L2_CID_FLASH_HW_STROBE_SIGNAL: case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER: case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE: case V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE: diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-c= ontrols.h index a5b7c382d77118eb7966385c5b22d5a89bc2b272..2a09815939a6d9abbe2babb3429= e2227970275e1 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -1187,6 +1187,7 @@ enum v4l2_flash_strobe_source { #define V4L2_CID_FLASH_CHARGE (V4L2_CID_FLASH_CLASS_BASE + 11) #define V4L2_CID_FLASH_READY (V4L2_CID_FLASH_CLASS_BASE + 12) #define V4L2_CID_FLASH_DURATION (V4L2_CID_FLASH_CLASS_BASE + 13) +#define V4L2_CID_FLASH_HW_STROBE_SIGNAL (V4L2_CID_FLASH_CLASS_BASE + 14) =20 =20 /* JPEG-class control IDs */ --=20 2.47.2