{"id":8594,"url":"https://patchwork.libcamera.org/api/patches/8594/?format=json","web_url":"https://patchwork.libcamera.org/patch/8594/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20200704004028.21153-4-laurent.pinchart@ideasonboard.com>","date":"2020-07-04T00:40:19","name":"[libcamera-devel,03/12] media: v4l2-ctrl: Document V4L2_CID_CAMERA_ORIENTATION","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"cf6613ae97c96153ae74f7207dbbe0e867962f32","submitter":{"id":2,"url":"https://patchwork.libcamera.org/api/people/2/?format=json","name":"Laurent Pinchart","email":"laurent.pinchart@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/8594/mbox/","series":[{"id":1080,"url":"https://patchwork.libcamera.org/api/series/1080/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=1080","date":"2020-07-04T00:40:16","name":"raspberrypi: Report sensor orientation through DT","version":1,"mbox":"https://patchwork.libcamera.org/series/1080/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/8594/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/8594/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 09D0FBFFE2\n\tfor ;\n\tSat, 4 Jul 2020 00:40:41 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 50F2960DD5;\n\tSat, 4 Jul 2020 02:40:40 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id C4A33603BB\n\tfor ;\n\tSat, 4 Jul 2020 02:40:37 +0200 (CEST)","from pendragon.bb.dnainternet.fi (81-175-216-236.bb.dnainternet.fi\n\t[81.175.216.236])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 452B029E;\n\tSat, 4 Jul 2020 02:40:37 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"D+bck+Nv\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1593823237;\n\tbh=4JvXSCxZ4U8mvG4Ty4iMrrPEDEkHViVkLUfS+HS49ec=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=D+bck+NvUDVpYqlcfLGZslLQLGfFfP6pkVS7o5M7kUkbjARfdmhJWbN4k+2brniPQ\n\tZr4l3lTPzXAF/ccv0cKJAJe76qk2ZsqUbYzxsU/0fTU/DutgXHyyeygkzOo3s6C3hp\n\tjz54lgzSDq/E9DxyhwFWpulFtixumNHoO1QMQD0E=","From":"Laurent Pinchart ","To":"Dave Stevenson ","Date":"Sat, 4 Jul 2020 03:40:19 +0300","Message-Id":"<20200704004028.21153-4-laurent.pinchart@ideasonboard.com>","X-Mailer":"git-send-email 2.27.0","In-Reply-To":"<20200704004028.21153-1-laurent.pinchart@ideasonboard.com>","References":"<20200704004028.21153-1-laurent.pinchart@ideasonboard.com>","MIME-Version":"1.0","Subject":"[libcamera-devel] [PATCH 03/12] media: v4l2-ctrl: Document\n\tV4L2_CID_CAMERA_ORIENTATION","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"libcamera-devel@lists.libcamera.org","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"From: Jacopo Mondi \n\nAdd documentation for the V4L2_CID_CAMERA_ORIENTATION camera\ncontrol. The newly added read-only control reports the camera device\norientation relative to the usage orientation of the system the camera\nis installed on.\n\nSigned-off-by: Jacopo Mondi \nSigned-off-by: Hans Verkuil \nSigned-off-by: Mauro Carvalho Chehab \n---\n .../media/uapi/v4l/ext-ctrls-camera.rst | 30 +++++++++++++++++++\n 1 file changed, 30 insertions(+)","diff":"diff --git a/Documentation/media/uapi/v4l/ext-ctrls-camera.rst b/Documentation/media/uapi/v4l/ext-ctrls-camera.rst\nindex 51c1d5c9eb00..c65a2b66232e 100644\n--- a/Documentation/media/uapi/v4l/ext-ctrls-camera.rst\n+++ b/Documentation/media/uapi/v4l/ext-ctrls-camera.rst\n@@ -510,6 +510,36 @@ enum v4l2_scene_mode -\n value down. A value of zero stops the motion if one is in progress\n and has no effect otherwise.\n \n+``V4L2_CID_CAMERA_ORIENTATION (menu)``\n+ This read-only control describes the camera orientation by reporting its\n+ mounting position on the device where the camera is installed. The control\n+ value is constant and not modifiable by software. This control is\n+ particularly meaningful for devices which have a well defined orientation,\n+ such as phones, laptops and portable devices since the control is expressed\n+ as a position relative to the device's intended usage orientation. For\n+ example, a camera installed on the user-facing side of a phone, a tablet or\n+ a laptop device is said to be have ``V4L2_CAMERA_ORIENTATION_FRONT``\n+ orientation, while a camera installed on the opposite side of the front one\n+ is said to be have ``V4L2_CAMERA_ORIENTATION_BACK`` orientation. Camera\n+ sensors not directly attached to the device, or attached in a way that\n+ allows them to move freely, such as webcams and digital cameras, are said to\n+ have the ``V4L2_CAMERA_ORIENTATION_EXTERNAL`` orientation.\n+\n+\n+\n+.. flat-table::\n+ :header-rows: 0\n+ :stub-columns: 0\n+\n+ * - ``V4L2_CAMERA_ORIENTATION_FRONT``\n+ - The camera is oriented towards the user facing side of the device.\n+ * - ``V4L2_CAMERA_ORIENTATION_BACK``\n+ - The camera is oriented towards the back facing side of the device.\n+ * - ``V4L2_CAMERA_ORIENTATION_EXTERNAL``\n+ - The camera is not directly attached to the device and is freely movable.\n+\n+\n+\n .. [#f1]\n This control may be changed to a menu control in the future, if more\n options are required.\n","prefixes":["libcamera-devel","03/12"]}