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{ "id": 18116, "url": "https://patchwork.libcamera.org/api/patches/18116/?format=api", "web_url": "https://patchwork.libcamera.org/patch/18116/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/projects/1/?format=api", "name": "libcamera", "link_name": "libcamera", "list_id": "libcamera_core", "list_email": "libcamera-devel@lists.libcamera.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20230114194712.23272-6-jacopo.mondi@ideasonboard.com>", "date": "2023-01-14T19:47:12", "name": "[libcamera-devel,v2,5/5] documentation: sensor_drivers: Document H/V flip", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "1bab904b2322d9c7be473ad2f08557087a98f104", "submitter": { "id": 143, "url": "https://patchwork.libcamera.org/api/people/143/?format=api", "name": "Jacopo Mondi", "email": "jacopo.mondi@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/18116/mbox/", "series": [ { "id": 3711, "url": "https://patchwork.libcamera.org/api/series/3711/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3711", "date": "2023-01-14T19:47:07", "name": "libcamera: camera_sensor: Centralize flips handling", "version": 2, "mbox": "https://patchwork.libcamera.org/series/3711/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/18116/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/18116/checks/", "tags": {}, "headers": { "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>", "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 63D5CC3295\n\tfor <parsemail@patchwork.libcamera.org>;\n\tSat, 14 Jan 2023 19:47:32 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id C3E2E625F6;\n\tSat, 14 Jan 2023 20:47:31 +0100 (CET)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 63115625E6\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tSat, 14 Jan 2023 20:47:27 +0100 (CET)", "from uno.LocalDomain (93-61-96-190.ip145.fastwebnet.it\n\t[93.61.96.190])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 77DE54DD;\n\tSat, 14 Jan 2023 20:47:26 +0100 (CET)" ], "DKIM-Signature": [ "v=1; a=rsa-sha256; c=relaxed/simple; d=libcamera.org;\n\ts=mail; t=1673725651;\n\tbh=7Y5lZedw3sQCQu5BnIQLNkw7XghiBC6Se9sQDo5K4PU=;\n\th=To:Date:In-Reply-To:References:Subject:List-Id:List-Unsubscribe:\n\tList-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc:\n\tFrom;\n\tb=28L9Fv7MnYdvrwuBoD0zue0O61sZCZ0op9rtiSfX9hQjaDWtK/yS5KCnjnbTQxTqo\n\tnDOCXWyitTZVea4MuzY243x1V+G87GCeXhoJtfDIRfKLZ/tSQ8gMtArqFkF8Ukpg95\n\tSxWHEqXdW0kfI8/NV2XZF+vbr9Gl7K4Ke7SuFU9QtTiXufCzlyiu6nnCJghRd/33hG\n\tIn78U7wY5lUG5gWMzK7rlSYBxFKDcaawP1eb9CxuEWQWRDi5NRIm0kg74Szfo/+sYP\n\tfhR4FZZ7O5svWSNuo4hSOCwkcRRCgdHxDuqUZPJyOQDDrOip5NgzhoJGScwcb9OiK0\n\tEMjSrwJxN3F9g==", "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1673725646;\n\tbh=7Y5lZedw3sQCQu5BnIQLNkw7XghiBC6Se9sQDo5K4PU=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=u4/1hqeot/o7PGNmPBXs0X1n99YLNZHETzqnQJNt3gsCu3/dao7zF3ElXnPHyspVr\n\tFFxeGwLousnG2o9bYL536kJ7/jNCz4crvLRB3jXDw79Wbl9sf9KiZutojqqLhindom\n\tkLoyTIMDKhSuC5euy+XBCkNHcTbclNBd52K3Uk2k=" ], "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"u4/1hqeo\"; dkim-atps=neutral", "To": "libcamera-devel@lists.libcamera.org", "Date": "Sat, 14 Jan 2023 20:47:12 +0100", "Message-Id": "<20230114194712.23272-6-jacopo.mondi@ideasonboard.com>", "X-Mailer": "git-send-email 2.39.0", "In-Reply-To": "<20230114194712.23272-1-jacopo.mondi@ideasonboard.com>", "References": "<20230114194712.23272-1-jacopo.mondi@ideasonboard.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH v2 5/5] documentation: sensor_drivers:\n\tDocument H/V flip", "X-BeenThere": "libcamera-devel@lists.libcamera.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "<libcamera-devel.lists.libcamera.org>", "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>", "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>", "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>", "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>", "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>", "From": "Jacopo Mondi via libcamera-devel <libcamera-devel@lists.libcamera.org>", "Reply-To": "Jacopo Mondi <jacopo.mondi@ideasonboard.com>", "Cc": "Jacopo Mondi <jacopo.mondi@ideasonboard.com>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "Briefly document the optional requirement support for H/V flip controls.\n\nSigned-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>\n---\n Documentation/sensor_driver_requirements.rst | 12 ++++++++++++\n 1 file changed, 12 insertions(+)", "diff": "diff --git a/Documentation/sensor_driver_requirements.rst b/Documentation/sensor_driver_requirements.rst\nindex 3abc8f35924a..0e516b34a215 100644\n--- a/Documentation/sensor_driver_requirements.rst\n+++ b/Documentation/sensor_driver_requirements.rst\n@@ -62,6 +62,18 @@ The sensor driver should support the following V4L2 controls:\n \n The controls are used to register the camera location and rotation.\n \n+In order to support rotating the image the sensor driver should support\n+\n+* `V4L2_CID_HFLIP`_\n+* `V4L2_CID_VFLIP`_\n+\n+.. _V4L2_CID_HFLIP: https://www.kernel.org/doc/html/latest/userspace-api/media/v4l/control.html\n+.. _V4L2_CID_VFLIP: https://www.kernel.org/doc/html/latest/userspace-api/media/v4l/control.html\n+\n+The controls must be writable from userspace. In case of a RAW Bayer sensors,\n+drivers should correctly report if vertical/horizontal flips modify the Bayer\n+pattern ordering by reporting the `V4L2_CTRL_FLAG_MODIFY_LAYOUT` control flag.\n+\n The sensor driver should implement support for the V4L2 Selection API,\n specifically it should implement support for the\n `VIDIOC_SUBDEV_G_SELECTION`_ ioctl with support for the following selection\n", "prefixes": [ "libcamera-devel", "v2", "5/5" ] }