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GET /api/1.1/patches/11178/?format=api
{ "id": 11178, "url": "https://patchwork.libcamera.org/api/1.1/patches/11178/?format=api", "web_url": "https://patchwork.libcamera.org/patch/11178/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/1.1/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": "<20210205170317.267605-1-kieran.bingham@ideasonboard.com>", "date": "2021-02-05T17:03:17", "name": "[libcamera-devel,RFC] libcamera: camera_sensor: Report mandatory control names", "commit_ref": null, "pull_url": null, "state": "rejected", "archived": false, "hash": "fe25031ca9cd6eb90d5395ffb65144f0b2a3c533", "submitter": { "id": 4, "url": "https://patchwork.libcamera.org/api/1.1/people/4/?format=api", "name": "Kieran Bingham", "email": "kieran.bingham@ideasonboard.com" }, "delegate": { "id": 11, "url": "https://patchwork.libcamera.org/api/1.1/users/11/?format=api", "username": "kbingham", "first_name": "Kieran", "last_name": "Bingham", "email": "kieran.bingham@ideasonboard.com" }, "mbox": "https://patchwork.libcamera.org/patch/11178/mbox/", "series": [ { "id": 1658, "url": "https://patchwork.libcamera.org/api/1.1/series/1658/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1658", "date": "2021-02-05T17:03:17", "name": "[libcamera-devel,RFC] libcamera: camera_sensor: Report mandatory control names", "version": 1, "mbox": "https://patchwork.libcamera.org/series/1658/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/11178/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/11178/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 AC3C7BD160\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 5 Feb 2021 17:03:22 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 2D3BB614BB;\n\tFri, 5 Feb 2021 18:03:22 +0100 (CET)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 9FF9C614B0\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 5 Feb 2021 18:03:21 +0100 (CET)", "from Q.local (cpc89244-aztw30-2-0-cust3082.18-1.cable.virginm.net\n\t[86.31.172.11])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 28815316;\n\tFri, 5 Feb 2021 18:03:21 +0100 (CET)" ], "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=\"pCEE4vMx\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1612544601;\n\tbh=R6eDQmXWtc8B6DBF260QXZe6QpoGn6XwP7AELGBERo4=;\n\th=From:To:Cc:Subject:Date:From;\n\tb=pCEE4vMxYHmIHubt33lYSF1fQpPToljUFR/vhNwQdthBpbvVEgbs2FuRQyzwEyV2A\n\tEIFiIXZ/85Zh8lUzV6mOjbqqlMub5QgzGEvFH5BiB16GFncQfgdjPzOPkA3+WeERlj\n\tA6YTVNJ+SQOkCMj1SQKYLC9ip5mX4mmiQPsbHn88=", "From": "Kieran Bingham <kieran.bingham@ideasonboard.com>", "To": "libcamera devel <libcamera-devel@lists.libcamera.org>", "Date": "Fri, 5 Feb 2021 17:03:17 +0000", "Message-Id": "<20210205170317.267605-1-kieran.bingham@ideasonboard.com>", "X-Mailer": "git-send-email 2.25.1", "MIME-Version": "1.0", "Subject": "[libcamera-devel] [RFC PATCH] libcamera: camera_sensor: Report\n\tmandatory control names", "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>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "We can not obtain the control names directly from V4L2 so create\na map of the control name, when declaring the list of mandatory\ncontrols to enable a human readable print of any missing requirements.\n\nSigned-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\n---\n src/libcamera/camera_sensor.cpp | 21 +++++++++++++--------\n 1 file changed, 13 insertions(+), 8 deletions(-)", "diff": "diff --git a/src/libcamera/camera_sensor.cpp b/src/libcamera/camera_sensor.cpp\nindex c9e8d49b7935..9a510108f171 100644\n--- a/src/libcamera/camera_sensor.cpp\n+++ b/src/libcamera/camera_sensor.cpp\n@@ -346,18 +346,23 @@ int CameraSensor::validateSensorDriver()\n \t * For raw sensors, make sure the sensor driver supports the controls\n \t * required by the CameraSensor class.\n \t */\n-\tstatic constexpr uint32_t mandatoryControls[] = {\n-\t\tV4L2_CID_EXPOSURE,\n-\t\tV4L2_CID_HBLANK,\n-\t\tV4L2_CID_PIXEL_RATE,\n-\t\tV4L2_CID_VBLANK,\n+\tstatic struct {\n+\t\tuint32_t ctrl;\n+\t\tstd::string name;\n+\t} mandatoryControls[] = {\n+#define MANDATORY_CONTROL(__ctrl) { __ctrl, #__ctrl }\n+\t\tMANDATORY_CONTROL(V4L2_CID_EXPOSURE),\n+\t\tMANDATORY_CONTROL(V4L2_CID_HBLANK),\n+\t\tMANDATORY_CONTROL(V4L2_CID_PIXEL_RATE),\n+\t\tMANDATORY_CONTROL(V4L2_CID_VBLANK),\n+#undef MANDATORY_CONTROL\n \t};\n \n \terr = 0;\n-\tfor (uint32_t ctrl : mandatoryControls) {\n-\t\tif (!controls.count(ctrl)) {\n+\tfor (auto &c : mandatoryControls) {\n+\t\tif (!controls.count(c.ctrl)) {\n \t\t\tLOG(CameraSensor, Error)\n-\t\t\t\t<< \"Mandatory V4L2 control \" << utils::hex(ctrl)\n+\t\t\t\t<< \"Mandatory V4L2 control \" << c.name\n \t\t\t\t<< \" not available\";\n \t\t\terr = -EINVAL;\n \t\t}\n", "prefixes": [ "libcamera-devel", "RFC" ] }