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{
    "id": 17393,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/17393/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/17393/",
    "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": "<20220925122324.260251-1-umang.jain@ideasonboard.com>",
    "date": "2022-09-25T12:23:24",
    "name": "[libcamera-devel] libcamera: v4l2_device: Log control id instead of errorIdx",
    "commit_ref": "ed591e705c451d0ce14988ae96829a31a2ae2f9a",
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "12f18926558efaf92e8d3b288995eaa51eab5a04",
    "submitter": {
        "id": 86,
        "url": "https://patchwork.libcamera.org/api/1.1/people/86/?format=api",
        "name": "Umang Jain",
        "email": "umang.jain@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/17393/mbox/",
    "series": [
        {
            "id": 3499,
            "url": "https://patchwork.libcamera.org/api/1.1/series/3499/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3499",
            "date": "2022-09-25T12:23:24",
            "name": "[libcamera-devel] libcamera: v4l2_device: Log control id instead of errorIdx",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/3499/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/17393/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/17393/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 71FA6C0DA4\n\tfor <parsemail@patchwork.libcamera.org>;\n\tSun, 25 Sep 2022 12:23:35 +0000 (UTC)",
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        ],
        "DKIM-Signature": [
            "v=1; a=rsa-sha256; c=relaxed/simple; d=libcamera.org;\n\ts=mail; t=1664108614;\n\tbh=If+Nqi59cSPImxpuSnRZm6kcCa8qXaqNgCzUQGJe24w=;\n\th=To:Date:Subject:List-Id:List-Unsubscribe:List-Archive:List-Post:\n\tList-Help:List-Subscribe:From:Reply-To:From;\n\tb=u+G2aCWJW7EImncwGXLWis3dZZ1aPu8mbC9jIAigeMkdRiLrhzLjKJinKUaiwt5qV\n\tIcA553XcFBfnbSkighIM9J9n/N2Jn0eIu8RI1ZNbZj2FcQKjPSsH1vUwa9guPpaA3M\n\t25rUsXJ0v9sT7bWg1khK6fs/RzSOg7lepSSz+GDPtJ64QI25f31Qq/YxlctYWWwLd5\n\tdeMryfD+ESslF+eED1+wttW2ZmtNfQwmsZyrOHg7DKAGwLPMZaVlvgR/qbj2Qoqaxz\n\t9qeoX1eHeUFv6H2HBeWjsrOUKKArYVWzhaich7tCkKvN3DHYTw0J8BuiGFSMrK37yZ\n\tqMPfImJwpp3Vg==",
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        "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"O1JXEtyg\"; dkim-atps=neutral",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Sun, 25 Sep 2022 17:53:24 +0530",
        "Message-Id": "<20220925122324.260251-1-umang.jain@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.37.3",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH] libcamera: v4l2_device: Log control id\n\tinstead of errorIdx",
        "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": "Umang Jain via libcamera-devel <libcamera-devel@lists.libcamera.org>",
        "Reply-To": "Umang Jain <umang.jain@ideasonboard.com>",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "v4l2_ext_controls.errorIdx (in the case of single failing control for\nVIDIOC_*_EXT_CTRLS calls) represents the index of that control.\nSince it is a single control, we can print the control id rather than\nits index. This improves logging as the id can be easily co-related\nwith the controls while reading the log.\n\nSigned-off-by: Umang Jain <umang.jain@ideasonboard.com>\n---\n src/libcamera/v4l2_device.cpp | 6 ++++--\n 1 file changed, 4 insertions(+), 2 deletions(-)",
    "diff": "diff --git a/src/libcamera/v4l2_device.cpp b/src/libcamera/v4l2_device.cpp\nindex 83901763..c60f7c91 100644\n--- a/src/libcamera/v4l2_device.cpp\n+++ b/src/libcamera/v4l2_device.cpp\n@@ -244,7 +244,8 @@ ControlList V4L2Device::getControls(const std::vector<uint32_t> &ids)\n \t\t}\n \n \t\t/* A specific control failed. */\n-\t\tLOG(V4L2, Error) << \"Unable to read control \" << errorIdx\n+\t\tconst unsigned int id = v4l2Ctrls[errorIdx].id;\n+\t\tLOG(V4L2, Error) << \"Unable to read control \" << utils::hex(id)\n \t\t\t\t << \": \" << strerror(-ret);\n \n \t\tv4l2Ctrls.resize(errorIdx);\n@@ -354,7 +355,8 @@ int V4L2Device::setControls(ControlList *ctrls)\n \t\t}\n \n \t\t/* A specific control failed. */\n-\t\tLOG(V4L2, Error) << \"Unable to set control \" << errorIdx\n+\t\tconst unsigned int id = v4l2Ctrls[errorIdx].id;\n+\t\tLOG(V4L2, Error) << \"Unable to set control \" << utils::hex(id)\n \t\t\t\t << \": \" << strerror(-ret);\n \n \t\tv4l2Ctrls.resize(errorIdx);\n",
    "prefixes": [
        "libcamera-devel"
    ]
}