{"id":9219,"url":"https://patchwork.libcamera.org/api/1.1/patches/9219/?format=json","web_url":"https://patchwork.libcamera.org/patch/9219/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/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":"<20200805105721.15445-4-jacopo@jmondi.org>","date":"2020-08-05T10:57:20","name":"[libcamera-devel,3/4] media: docs: USe SUBDEV_G_SELECTION for sensor properties","commit_ref":null,"pull_url":null,"state":"superseded","archived":true,"hash":"a5458d5d4285a5ac1ec507c4dde2fe555a3fdfe4","submitter":{"id":3,"url":"https://patchwork.libcamera.org/api/1.1/people/3/?format=json","name":"Jacopo Mondi","email":"jacopo@jmondi.org"},"delegate":{"id":15,"url":"https://patchwork.libcamera.org/api/1.1/users/15/?format=json","username":"jmondi","first_name":"Jacopo","last_name":"Mondi","email":"jacopo@jmondi.org"},"mbox":"https://patchwork.libcamera.org/patch/9219/mbox/","series":[{"id":1193,"url":"https://patchwork.libcamera.org/api/1.1/series/1193/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=1193","date":"2020-08-05T10:57:18","name":"[libcamera-devel,1/4] media: docs: Describe pixel array properties","version":1,"mbox":"https://patchwork.libcamera.org/series/1193/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/9219/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/9219/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 0FB31BD87A\n\tfor ;\n\tWed, 5 Aug 2020 10:53:58 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id E167560564;\n\tWed, 5 Aug 2020 12:53:57 +0200 (CEST)","from relay6-d.mail.gandi.net (relay6-d.mail.gandi.net\n\t[217.70.183.198])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id B00F76039D\n\tfor ;\n\tWed, 5 Aug 2020 12:53:55 +0200 (CEST)","from uno.lan (93-34-118-233.ip49.fastwebnet.it [93.34.118.233])\n\t(Authenticated sender: jacopo@jmondi.org)\n\tby relay6-d.mail.gandi.net (Postfix) with ESMTPSA id 4BC14C000E;\n\tWed, 5 Aug 2020 10:53:54 +0000 (UTC)"],"X-Originating-IP":"93.34.118.233","From":"Jacopo Mondi ","To":"Hans Verkuil ,\n\tSakari Ailus ,\n\tLaurent Pinchart ","Date":"Wed, 5 Aug 2020 12:57:20 +0200","Message-Id":"<20200805105721.15445-4-jacopo@jmondi.org>","X-Mailer":"git-send-email 2.27.0","In-Reply-To":"<20200805105721.15445-1-jacopo@jmondi.org>","References":"<20200805105721.15445-1-jacopo@jmondi.org>","MIME-Version":"1.0","Subject":"[libcamera-devel] [PATCH 3/4] media: docs: USe SUBDEV_G_SELECTION\n\tfor sensor properties","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":"Ricardo Ribalda Delgado ,\n\tlibcamera-devel@lists.libcamera.org,\n\tSowjanya Komatineni ,\n\tLinux Media Mailing List ","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Add a small note to the VIDIOC_SUBDEV_G_SELECTION IOCTL documentation\nto report that the API can be used to access an image sensor pixel array\nproperties.\n\nSigned-off-by: Jacopo Mondi \n---\n .../userspace-api/media/v4l/vidioc-subdev-g-selection.rst | 4 ++++\n 1 file changed, 4 insertions(+)","diff":"diff --git a/Documentation/userspace-api/media/v4l/vidioc-subdev-g-selection.rst b/Documentation/userspace-api/media/v4l/vidioc-subdev-g-selection.rst\nindex 06c9553ac48f5..05539f5deace2 100644\n--- a/Documentation/userspace-api/media/v4l/vidioc-subdev-g-selection.rst\n+++ b/Documentation/userspace-api/media/v4l/vidioc-subdev-g-selection.rst\n@@ -46,6 +46,10 @@ The selections are used to configure various image processing\n functionality performed by the subdevs which affect the image size. This\n currently includes cropping, scaling and composition.\n \n+This API can also be used to retrieve immutable properties of the device\n+represented by the subdev, such as the pixel matrix properties of an image\n+sensor.\n+\n The selection API replaces\n :ref:`the old subdev crop API `. All the\n function of the crop API, and more, are supported by the selections API.\n","prefixes":["libcamera-devel","3/4"]}