From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (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 9592F341AD6 for ; Thu, 9 Apr 2026 20:15:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775765733; cv=none; b=iSzeKMQabFLzNGqA1QosNFOwEVTnrzjZyF6vw/jU8bhmibehFcSqKo7kCzhyfvRov1H2/XV0X8sCCfUrrhs7zuNvkeBxJTnAHysxYWjFbJnaT6COlT9s7nVydTwb/U64NLJJA9M9b+JH+3dTUbPf4gNF/O+ZJXw2DtvRjz21h3A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775765733; c=relaxed/simple; bh=T7SWsJuxjyloUisRKKKluQnUnYjxUV1B6yiaErfrEJc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=oP9V1LVxIk1ql1y6P1fFxRR9mF3Dj8YDsTbW6EEXUsvjv1wbOpalZ3BEMcfaczQSy7j7S/X0S3yK1Qc/Q+WDa5LbGm18P2lGbEaaQ4WEzTRvEtkvK5J4M/13a506UU5JhzR5BABPndeMyAQrzf9PR5G9MTI6Ka61V8XovGlgcJc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=IPgrsXMG; arc=none smtp.client-ip=192.198.163.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="IPgrsXMG" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1775765731; x=1807301731; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=T7SWsJuxjyloUisRKKKluQnUnYjxUV1B6yiaErfrEJc=; b=IPgrsXMGGzBagSM6mG2exdw566Oqe6yeihjDtbGMI7Q4GNQhojpqdn4b 28pNdWIjNUfMd/LyldUuYT/6K2lv/wY49WJrRxY9jYrwo6+iq17oTY1FU xfv8Ya+J++lHTOua4qIzmLgy3dnSZEB0YAJbjMaywzsUAQ4qv4ugLIS26 i69sTGB29FPk72obVayjAQjTZW8uYYjKjP7clLhsYh0RawwH0raVBBM6O YYj3Z3LWN4J/FGfB0V5thuoAU43q1b2zquqGsGZZLFS/tiBlXkOuaqEK8 f3wOctoVkODc/+L25ai0V9Uj+PyzrDFEC4Cslquhb8rnVC8zUJMdeoSU+ w==; X-CSE-ConnectionGUID: DAPNJbOITz+GjJ1oAeW8rQ== X-CSE-MsgGUID: kl1fSxWHRFSWb0Rip8VyuQ== X-IronPort-AV: E=McAfee;i="6800,10657,11754"; a="87409094" X-IronPort-AV: E=Sophos;i="6.23,170,1770624000"; d="scan'208";a="87409094" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Apr 2026 13:15:18 -0700 X-CSE-ConnectionGUID: iH1ES4UdSqmJmfxKqz1biA== X-CSE-MsgGUID: rB+5AC6+T+aegp5c+lsO/g== X-ExtLoop1: 1 Received: from dalessan-mobl3.ger.corp.intel.com (HELO kekkonen.fi.intel.com) ([10.245.244.29]) by fmviesa003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Apr 2026 13:15:11 -0700 Received: from punajuuri.localdomain (unknown [192.168.240.130]) by kekkonen.fi.intel.com (Postfix) with ESMTP id 57421122609; Thu, 09 Apr 2026 23:15:13 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.98.2) (envelope-from ) id 1wAvmH-000000045lN-3Cqb; Thu, 09 Apr 2026 23:15:01 +0300 Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo From: Sakari Ailus To: linux-media@vger.kernel.org Cc: hans@jjverkuil.nl, laurent.pinchart@ideasonboard.com, Prabhakar , Kate Hsuan , Dave Stevenson , Tommaso Merciai , Benjamin Mugnier , Sylvain Petinot , Christophe JAILLET , Julien Massot , Naushir Patuck , Stefan Klug , Mirela Rabulea , =?UTF-8?q?Andr=C3=A9=20Apitzsch?= , Heimir Thor Sverrisson , Kieran Bingham , Mehdi Djait , Ricardo Ribalda Delgado , Hans de Goede , Jacopo Mondi , Tomi Valkeinen , David Plowman , "Yu, Ong Hock" , "Ng, Khai Wen" , Jai Luthra , Rishikesh Donadkar Subject: [PATCH v12 11/86] media: uapi: Add V4L2_CID_METADATA_LAYOUT control Date: Thu, 9 Apr 2026 23:13:46 +0300 Message-ID: <20260409201501.975242-12-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260409201501.975242-1-sakari.ailus@linux.intel.com> References: <20260409201501.975242-1-sakari.ailus@linux.intel.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The metadata layout control defines the layout of the metadata on the bus. It is used on sub-devices that use generic metadata mbus codes on at least one of the pads. Signed-off-by: Sakari Ailus Reviewed-by: Jacopo Mondi --- .../userspace-api/media/v4l/ext-ctrls-image-source.rst | 6 ++++++ drivers/media/v4l2-core/v4l2-ctrls-defs.c | 7 +++++++ include/uapi/linux/v4l2-controls.h | 1 + 3 files changed, 14 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-image-source.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-image-source.rst index e1f96987ad59..e369978c2b50 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-image-source.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-image-source.rst @@ -152,3 +152,9 @@ Image Source Control IDs is provided as well. This is a read-only control. + +``V4L2_CID_METADATA_LAYOUT (integer)`` + The metadata layout control defines the metadata layout on the device's data + interface for metadata streams. The control is used in conjunction with + :ref:`generic metadata formats ` formats to + specify the layout of the data. diff --git a/drivers/media/v4l2-core/v4l2-ctrls-defs.c b/drivers/media/v4l2-core/v4l2-ctrls-defs.c index 32a4b1b3fc0e..4618252d24f2 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls-defs.c +++ b/drivers/media/v4l2-core/v4l2-ctrls-defs.c @@ -1159,6 +1159,7 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_NOTIFY_GAINS: return "Notify Gains"; case V4L2_CID_CFA_PATTERN: return "Color Filter Array Pattern"; case V4L2_CID_CFA_PATTERN_FLIP: return "CFA Pattern Flip"; + case V4L2_CID_METADATA_LAYOUT: return "Metadata Layout"; /* Image processing controls */ /* Keep the order of the 'case's the same as in v4l2-controls.h! */ @@ -1322,6 +1323,12 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, *min = 0; *max = *step = 1; break; + case V4L2_CID_METADATA_LAYOUT: + *type = V4L2_CTRL_TYPE_INTEGER; + *flags |= V4L2_CTRL_FLAG_READ_ONLY; + *min = 0; + *step = 1; + break; case V4L2_CID_ROTATE: *type = V4L2_CTRL_TYPE_INTEGER; *flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT; diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h index d5cedb28a564..2f0bd33bbc3d 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -1247,6 +1247,7 @@ enum v4l2_jpeg_chroma_subsampling { #define V4L2_CFA_PATTERN_FLIP_BOTH \ (V4L2_CFA_PATTERN_FLIP_HORIZONTAL | V4L2_CFA_PATTERN_FLIP_VERTICAL) +#define V4L2_CID_METADATA_LAYOUT (V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 12) /* Image processing controls */ -- 2.47.3