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{
    "id": 2939,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/2939/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/2939/",
    "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": "<20200229164254.23604-22-laurent.pinchart@ideasonboard.com>",
    "date": "2020-02-29T16:42:44",
    "name": "[libcamera-devel,21/31] libcamera: ipa: Support array controls in ipa_control_value_entry",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "654f9b41b5ba3006ad57267e86b967b812e95d19",
    "submitter": {
        "id": 2,
        "url": "https://patchwork.libcamera.org/api/1.1/people/2/?format=api",
        "name": "Laurent Pinchart",
        "email": "laurent.pinchart@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/2939/mbox/",
    "series": [
        {
            "id": 696,
            "url": "https://patchwork.libcamera.org/api/1.1/series/696/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=696",
            "date": "2020-02-29T16:42:23",
            "name": "libcamera: Add support for array controls",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/696/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/2939/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/2939/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<laurent.pinchart@ideasonboard.com>",
        "Received": [
            "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id A7C7C6279B\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tSat, 29 Feb 2020 17:43:29 +0100 (CET)",
            "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 3DC13A28\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tSat, 29 Feb 2020 17:43:29 +0100 (CET)"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1582994609;\n\tbh=L0RUa2Fo8cBkPo9NUVkJbcQriLqiHOtWv0uA+4JKRFs=;\n\th=From:To:Subject:Date:In-Reply-To:References:From;\n\tb=D08DItmlSvBhDkW0bEfJ2gqfuGRAlmwnc7uG0uhtFpEe1faHpYONl2K9Wv+0tAD9p\n\tmR3DJKUZFwTGSkLhqSNEOGUQugtpAzs/bkn9Jc7DiOSkMVkwcV96col//JtyQWjrVD\n\tL8J5+2WmVxOqsl1ZiUMCFihwCJ6EPLGx1MCLHbW4=",
        "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Sat, 29 Feb 2020 18:42:44 +0200",
        "Message-Id": "<20200229164254.23604-22-laurent.pinchart@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.24.1",
        "In-Reply-To": "<20200229164254.23604-1-laurent.pinchart@ideasonboard.com>",
        "References": "<20200229164254.23604-1-laurent.pinchart@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH 21/31] libcamera: ipa: Support array\n\tcontrols in ipa_control_value_entry",
        "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>",
        "X-List-Received-Date": "Sat, 29 Feb 2020 16:43:35 -0000"
    },
    "content": "Report in a new field of the ipa_control_value_entry structure if the\nvalue contains an array. Reorganize the other fields of the structure to\navoid increasing its size.\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n include/ipa/ipa_controls.h     | 6 ++++--\n src/libcamera/ipa_controls.cpp | 4 ++++\n 2 files changed, 8 insertions(+), 2 deletions(-)",
    "diff": "diff --git a/include/ipa/ipa_controls.h b/include/ipa/ipa_controls.h\nindex 6371e34575f2..37f97d6ad2a4 100644\n--- a/include/ipa/ipa_controls.h\n+++ b/include/ipa/ipa_controls.h\n@@ -26,9 +26,11 @@ struct ipa_controls_header {\n \n struct ipa_control_value_entry {\n \tuint32_t id;\n-\tuint32_t type;\n-\tuint32_t count;\n+\tuint8_t type;\n+\tuint8_t is_array;\n+\tuint16_t count;\n \tuint32_t offset;\n+\tuint32_t padding[1];\n };\n \n struct ipa_control_range_entry {\ndiff --git a/src/libcamera/ipa_controls.cpp b/src/libcamera/ipa_controls.cpp\nindex 25f38bab3dd9..cfb5c59dd028 100644\n--- a/src/libcamera/ipa_controls.cpp\n+++ b/src/libcamera/ipa_controls.cpp\n@@ -163,11 +163,15 @@ static_assert(sizeof(ipa_controls_header) == 32,\n  * The numerical ID of the control\n  * \\var ipa_control_value_entry::type\n  * The type of the control (defined by enum ControlType)\n+ * \\var ipa_control_value_entry::is_array\n+ * True if the control value stores an array, false otherwise\n  * \\var ipa_control_value_entry::count\n  * The number of control array entries for array controls (1 otherwise)\n  * \\var ipa_control_value_entry::offset\n  * The offset in bytes from the beginning of the data section to the control\n  * value data (shall be a multiple of 8 bytes).\n+ * \\var ipa_control_value_entry::padding\n+ * Padding bytes (shall be set to 0)\n  */\n \n static_assert(sizeof(ipa_control_value_entry) == 16,\n",
    "prefixes": [
        "libcamera-devel",
        "21/31"
    ]
}