From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (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 3FC96354AC6 for ; Wed, 11 Feb 2026 09:09:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770800965; cv=none; b=m59cVRwMQBPj7Zt92j2T/vOPMVnKGasRfJcyaUuviYR73gQGfwrAdIU9ZWpJYiIcWHPsSTf93ASlDMvncS0QfuskrgzZ/b5Ym0V5s3SP0YKnVY6pTxAZqDdGrLvsV154wIDAU6jZ+E4+cVh/ANTIegOkv8f7fRmgh2R3jxW2BcI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770800965; c=relaxed/simple; bh=ySYfTqmyUjUx0qaZCJ4q/Gjd81iDecFTl1mQgu0nnPI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=V5oiGKtKarQSU6pZoobZhUj1TJNxe14RnHrN89AfMGizpNFdt+OTQWvq1CsFujtEWFpALjWW78WIL1HCtHlCdQ1TTJV72tQ/+KXbibkTEBn9UUN+JD7qG0tIccDlBtdDwzy4mFukyOIljuJ+VGmRSFKm3FTpftvVfmzvgryLZDY= 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=Y6FPB/IP; arc=none smtp.client-ip=192.198.163.14 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="Y6FPB/IP" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770800964; x=1802336964; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ySYfTqmyUjUx0qaZCJ4q/Gjd81iDecFTl1mQgu0nnPI=; b=Y6FPB/IPfZZoE7/V353NO3wcuXRTP4opB3t7Blj6D9C6GVhVJpippftt UCBHpBE04alRraV5HnUuMWDTDa3W+YkbMqI+yfDGt5AHU9XL31cJOaXPQ iRWyG93zMAd1J7v8R0qQVrDy1kCoUKea0tMkBvM8Q7A7TEs2yTC91TSME AUT915YGqdMeNODqs/Xxsilw87hYvh7vywz+g1LJgGnZUY34VM9YApu5r QYscwUw1qejrXX1TqKng/3wMC+F2QGErjSza739RSMKYzYJ7pzTvUNSGV B6/edvVLk3gs5FaQilZ4Zsp9qr6NPI7lqwF6o5Xbr1sf6DSOgnv+FKN62 g==; X-CSE-ConnectionGUID: YjxUN0EASK6ONevDF1DR3A== X-CSE-MsgGUID: XftAQz8ASgGDs6M0fHmX+w== X-IronPort-AV: E=McAfee;i="6800,10657,11697"; a="72018912" X-IronPort-AV: E=Sophos;i="6.21,283,1763452800"; d="scan'208";a="72018912" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Feb 2026 01:09:21 -0800 X-CSE-ConnectionGUID: c+3gdEiKQGeDq260rhh8+Q== X-CSE-MsgGUID: 7T5pk0yYQ6iKmkzcMWsEIw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,283,1763452800"; d="scan'208";a="212222785" Received: from pgcooper-mobl3.ger.corp.intel.com (HELO kekkonen.fi.intel.com) ([10.245.244.208]) by orviesa008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Feb 2026 01:09:15 -0800 Received: from punajuuri.localdomain (unknown [192.168.240.130]) by kekkonen.fi.intel.com (Postfix) with ESMTP id AAFA6121D43; Wed, 11 Feb 2026 11:09:31 +0200 (EET) Received: from sailus by punajuuri.localdomain with local (Exim 4.98.2) (envelope-from ) id 1vq6Do-00000007lZw-2IFh; Wed, 11 Feb 2026 11:09:20 +0200 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 , Alexander Shiyan , Dave Stevenson , Tommaso Merciai , Benjamin Mugnier , Sylvain Petinot , Christophe JAILLET , Julien Massot , Naushir Patuck , "Yan, Dongcheng" , "Cao, Bingbu" , "Qiu, Tian Shu" , 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" Subject: [PATCH v2 03/14] media: Documentation: Improve LINK_FREQ documentation Date: Wed, 11 Feb 2026 11:09:09 +0200 Message-ID: <20260211090920.1851141-4-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260211090920.1851141-1-sakari.ailus@linux.intel.com> References: <20260211090920.1851141-1-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 Add a reference to the LINK_FREQ control and precise the meaning of the control as for C-PHY the matter is less obvious. Signed-off-by: Sakari Ailus --- Documentation/driver-api/media/tx-rx.rst | 3 ++- .../userspace-api/media/v4l/ext-ctrls-image-process.rst | 4 +++- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/Documentation/driver-api/media/tx-rx.rst b/Documentation/driver-api/media/tx-rx.rst index 22e1b13ecde9..7df2407817b3 100644 --- a/Documentation/driver-api/media/tx-rx.rst +++ b/Documentation/driver-api/media/tx-rx.rst @@ -93,7 +93,8 @@ where * - variable or constant - description * - link_freq - - The value of the ``V4L2_CID_LINK_FREQ`` integer64 menu item. + - The value of the :ref:`V4L2_CID_LINK_FREQ ` integer64 + menu item. * - nr_of_lanes - Number of data lanes used on the CSI-2 link. * - 2 diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-image-process.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-image-process.rst index 6d516f041ca2..ee88933256dd 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-image-process.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-image-process.rst @@ -24,7 +24,9 @@ Image Process Control IDs .. _v4l2-cid-link-freq: ``V4L2_CID_LINK_FREQ (integer menu)`` - The frequency of the data bus (e.g. parallel or CSI-2). + The fundamental frequency of the operating symbol rate (serial interfaces + such as CSI-2) or the sampling rate (parallel interfaces such as DVP or + Bt.565) of the data interface. .. _v4l2-cid-pixel-rate: -- 2.47.3