From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (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 9543E3D891C for ; Tue, 14 Apr 2026 10:35:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776162958; cv=none; b=matICHeFDBoyJOo0Hvwj3xcexDHb3dV2eWVFt8HRKCMUHT8ljnAc69lSqxMO1rop1zc5W02qFv2ezxFd1kR9SYlu3FeVP20EzNat+9BgEQqrgk7YrHUmT+nAoUykBz0Ck/nilkSnPVel7ThlYhRXss9GGF7w63czPJrk6DVqMKA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776162958; c=relaxed/simple; bh=B5XmvUYW1jTDhNqkevXKRrhh5k6s1JMCLZijPpbrq14=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=p5fZC5SwFeqzIcoUu5SVhKoi54lp1vLeDr7muSicDsgpoEe2FD6z0+utWPjUJVRCo+Uz/SWkKVeYtJvGfHYpBWRhbGyBJ3wGq6Vm44CYc0FTyqIqTLE0Id/WHPIxhwevdy/yOvrcYxWzq7/kNI+yvy3TV0xNfkCH9f02CBK/fNw= 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=LR64qcMh; arc=none smtp.client-ip=192.198.163.10 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="LR64qcMh" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1776162952; x=1807698952; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=B5XmvUYW1jTDhNqkevXKRrhh5k6s1JMCLZijPpbrq14=; b=LR64qcMhQ3/48nXada0bfr7qV0KzZvvjyUIVNSpUT84Z1DfGUWn8WRLW 9RCihVBYXP7BoPBI4bFknYQJ948emUKFvw+F0e+S9eShUCXmf4PNf5gVY jkliPeiQTb4obZT5DK6/I0FmFaHPg3NiBvok+btQtYNV4rCsP5BwvrR8/ gEsPGfjPjVeMAJ5Ad7bsLB8vu39O6uLwi9zv9enrxdYNQ+n3qeNKbY2vH tK7IOlWD1iU+y9yQ+hjs7e9Y/ZIt+pJFZ6v91BDTPTcNgx6AfC4NWTaq4 gx0+GTvuGOw8Ke1sHAK0pyRUmldXtoM/XJZcyejojUYXTmY9Vh+mJcoT+ g==; X-CSE-ConnectionGUID: 2h5decrtT/OC3vLH+xYNpw== X-CSE-MsgGUID: +uddrEY8RIW2RVKmbWiJaQ== X-IronPort-AV: E=McAfee;i="6800,10657,11758"; a="88498420" X-IronPort-AV: E=Sophos;i="6.23,179,1770624000"; d="scan'208";a="88498420" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Apr 2026 03:35:49 -0700 X-CSE-ConnectionGUID: RsTo1AP3TRKRD/CRsTRVqw== X-CSE-MsgGUID: v891/f+xRzWS4pyoIxTLzA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,179,1770624000"; d="scan'208";a="268029951" Received: from ncintean-mobl1.ger.corp.intel.com (HELO kekkonen.fi.intel.com) ([10.245.245.154]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Apr 2026 03:35:43 -0700 Received: from punajuuri.localdomain (unknown [192.168.240.130]) by kekkonen.fi.intel.com (Postfix) with ESMTP id 5F12F120333; Tue, 14 Apr 2026 13:36:00 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.98.2) (envelope-from ) id 1wCb7f-00000004HnQ-2woQ; Tue, 14 Apr 2026 13:35:59 +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: laurent.pinchart@ideasonboard.com, Jacopo Mondi , jai.luthra@ideasonboard.com Subject: [PATCH 1/1] media: Documentation: Improve PIXEL_RATE control documentation Date: Tue, 14 Apr 2026 13:35:59 +0300 Message-ID: <20260414103559.1021712-1-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Document explicitly that the PIXEL_RATE control reflects the actual frequency at which the pixels are read in the pixel array. It is thus orthogonal to analogue binning. Signed-off-by: Sakari Ailus --- .../userspace-api/media/v4l/ext-ctrls-image-process.rst | 5 +++++ 1 file changed, 5 insertions(+) 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..8616bcd67270 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-image-process.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-image-process.rst @@ -41,6 +41,11 @@ Image Process Control IDs The configuration of the frame rate is performed by selecting the desired horizontal and vertical blanking. The unit of this control is Hz. + Note that this control isn't affected by analogue binning as the pixels are + still being read at the same frequency as without analogue binning, only + what is being read is different (a single pixel value vs. a binned pixel + value based on the values of two or more pixels). + ``V4L2_CID_TEST_PATTERN (menu)`` Some capture/display/sensor devices have the capability to generate test pattern images. These hardware specific test patterns can be -- 2.47.3