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 896CC345724 for ; Thu, 9 Apr 2026 20:15:33 +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=1775765734; cv=none; b=TZ8BCW3nhN+P3bk6LTsIHmhuxBnZtmE8FDGSlShkCRtyYb3vpPVIYX6xcCJGt8ogxBr7Un41x9EJMZD2d/dBRB3aUWY31756UUlvAo/WMrQCGUzLZs33FfkqdyqjFsH3KME+FpHiDkPwS2w81eYNrkJ3AcA5MsdmNhbF33kRBJY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775765734; c=relaxed/simple; bh=n0N4kXmSvUGOCkefV8fZpTl9zTNQUahjAqEYmJMyqI0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bD7fO/yx0Iq7dzdK/+bCy/wKGlXRnQecqGDOZwWOR/0UpY/BW8hLdCMZvhYa/t0IjORm63Mhl9u/FvDR5yJU5Hwbs/HdZof+90BLjD0DHED9BWQ7oYL658JSBH9tHQe1CUlMh9I/aWUjoVz3GcXBaOHlsAKpjem6/fMUzYz04Ls= 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=GKqNaZot; 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="GKqNaZot" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1775765733; x=1807301733; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=n0N4kXmSvUGOCkefV8fZpTl9zTNQUahjAqEYmJMyqI0=; b=GKqNaZotJRb1WefyYqdruFSgOliPbRsvBDHdySQq1Bo4cenXmPfJ4PXk TDhWf5QioxjJuGJowtRKUEbouDClLEspb+4KKdevI3JUugQuOmTjUT2kb CbMeHTYIK3yblwoegMMLrB7r85Cgt0KsEa2R8JojOQyufV1XZd6vTPECw cHIvmbetIB5fCUtli2SICvRbin41944Q3F0UFP6nO1ZiDLRS1iB/D4YR6 3+RYaJ3Nc53mVXSHmLRxnV2KAbi3eMEPjO2mzZTz1iaIh4TTsMDmTReGx Fyl+/+t+9oVf+xGsWWr22LOBRzvb4894B7aszwmpF2X5sg/82qitt7pdA Q==; X-CSE-ConnectionGUID: 0GDAHqlGRO+CbP+X6GQd7Q== X-CSE-MsgGUID: bk6waqVbR9qnPMWZXk/QiQ== X-IronPort-AV: E=McAfee;i="6800,10657,11754"; a="87409145" X-IronPort-AV: E=Sophos;i="6.23,170,1770624000"; d="scan'208";a="87409145" 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: mcqOTqpXSQi5nRAE9ZcQNQ== X-CSE-MsgGUID: q/Skv7P5SNCvg3uPKb1bnQ== 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 58F6112260E; 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-000000045lR-3GvH; 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 12/86] media: Documentation: Refer to metadata layout in metadata documentation Date: Thu, 9 Apr 2026 23:13:47 +0300 Message-ID: <20260409201501.975242-13-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 Using generic metadata mbus codes requires the use of V4L2_CID_METADATA_LAYOUT control to define the metadata layout. Document this in generic metadata format documentation. Signed-off-by: Sakari Ailus Reviewed-by: Jacopo Mondi Reviewed-by: Laurent Pinchart --- Documentation/userspace-api/media/v4l/metafmt-generic.rst | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/Documentation/userspace-api/media/v4l/metafmt-generic.rst b/Documentation/userspace-api/media/v4l/metafmt-generic.rst index 23f69e1a1afa..7226b4810088 100644 --- a/Documentation/userspace-api/media/v4l/metafmt-generic.rst +++ b/Documentation/userspace-api/media/v4l/metafmt-generic.rst @@ -8,12 +8,16 @@ V4L2_META_FMT_GENERIC_8 ('MET8'), V4L2_META_FMT_GENERIC_CSI2_10 ('MC1A'), V4L2_M Generic line-based metadata formats - Description =========== These generic line-based metadata formats define the memory layout of the data -without defining the format or meaning of the metadata itself. +without defining the format or meaning of the metadata itself. These formats may +only be used with a Media Controller pipeline where the exact metadata layout is +reported using the :ref:`V4L2_CID_METADATA_LAYOUT control +` by the sub-device generating the +metadata. See also :ref:`source routes `. + .. _v4l2-meta-fmt-generic-8: -- 2.47.3