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{
    "id": 11329,
    "url": "https://patchwork.libcamera.org/api/patches/11329/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/11329/",
    "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": "<20210218065329.29317-1-laurent.pinchart@ideasonboard.com>",
    "date": "2021-02-18T06:53:29",
    "name": "[libcamera-devel] libcamera: camera: Constify controls argument to start()",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "924682a8f94b6b05de25385ed9fbf6a67fa02967",
    "submitter": {
        "id": 2,
        "url": "https://patchwork.libcamera.org/api/people/2/?format=api",
        "name": "Laurent Pinchart",
        "email": "laurent.pinchart@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/11329/mbox/",
    "series": [
        {
            "id": 1705,
            "url": "https://patchwork.libcamera.org/api/series/1705/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1705",
            "date": "2021-02-18T06:53:29",
            "name": "[libcamera-devel] libcamera: camera: Constify controls argument to start()",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/1705/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/11329/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/11329/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 CFE7DBD1F6\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 18 Feb 2021 06:54:07 +0000 (UTC)",
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        ],
        "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=\"fJALff3M\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1613631244;\n\tbh=JOcFh/SnsVvUPMs+Z5IJfBbDSwDnyRfdguggTK77FXA=;\n\th=From:To:Subject:Date:From;\n\tb=fJALff3MR523bHWTRKu1SLJdqVE3f385WRiy2wSzW8YyJzehJS7qCADxlCf7rlJNC\n\tlmivdpsNikJWIyblQ+vk+C2ywGRqOWRpb/lGGifiuxeDhJwMrdfgbyBt/OLh9xw/PD\n\tOPbbduEYfy86pa0gtydGVCHINJKqzxMkJ+e5u60o=",
        "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Thu, 18 Feb 2021 08:53:29 +0200",
        "Message-Id": "<20210218065329.29317-1-laurent.pinchart@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.28.0",
        "MIME-Version": "1.0",
        "Subject": "[libcamera-devel] [PATCH] libcamera: camera: Constify controls\n\targument to start()",
        "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": "The ControlList passed to the Camera::start() function isn't modified.\nMake it const.\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n include/libcamera/camera.h                         | 2 +-\n include/libcamera/internal/pipeline_handler.h      | 2 +-\n src/libcamera/camera.cpp                           | 2 +-\n src/libcamera/pipeline/ipu3/ipu3.cpp               | 4 ++--\n src/libcamera/pipeline/raspberrypi/raspberrypi.cpp | 4 ++--\n src/libcamera/pipeline/rkisp1/rkisp1.cpp           | 4 ++--\n src/libcamera/pipeline/simple/simple.cpp           | 4 ++--\n src/libcamera/pipeline/uvcvideo/uvcvideo.cpp       | 4 ++--\n src/libcamera/pipeline/vimc/vimc.cpp               | 4 ++--\n 9 files changed, 15 insertions(+), 15 deletions(-)",
    "diff": "diff --git a/include/libcamera/camera.h b/include/libcamera/camera.h\nindex bd81fb54502e..326b14d0ca01 100644\n--- a/include/libcamera/camera.h\n+++ b/include/libcamera/camera.h\n@@ -100,7 +100,7 @@ public:\n \tstd::unique_ptr<Request> createRequest(uint64_t cookie = 0);\n \tint queueRequest(Request *request);\n \n-\tint start(ControlList *controls = nullptr);\n+\tint start(const ControlList *controls = nullptr);\n \tint stop();\n \n private:\ndiff --git a/include/libcamera/internal/pipeline_handler.h b/include/libcamera/internal/pipeline_handler.h\nindex d455d3c9dc4f..6aca0b46f43d 100644\n--- a/include/libcamera/internal/pipeline_handler.h\n+++ b/include/libcamera/internal/pipeline_handler.h\n@@ -76,7 +76,7 @@ public:\n \tvirtual int exportFrameBuffers(Camera *camera, Stream *stream,\n \t\t\t\t       std::vector<std::unique_ptr<FrameBuffer>> *buffers) = 0;\n \n-\tvirtual int start(Camera *camera, ControlList *controls) = 0;\n+\tvirtual int start(Camera *camera, const ControlList *controls) = 0;\n \tvirtual void stop(Camera *camera) = 0;\n \n \tint queueRequest(Request *request);\ndiff --git a/src/libcamera/camera.cpp b/src/libcamera/camera.cpp\nindex c9c79b91e3ae..84edbb8f494d 100644\n--- a/src/libcamera/camera.cpp\n+++ b/src/libcamera/camera.cpp\n@@ -1018,7 +1018,7 @@ int Camera::queueRequest(Request *request)\n  * \\retval -ENODEV The camera has been disconnected from the system\n  * \\retval -EACCES The camera is not in a state where it can be started\n  */\n-int Camera::start(ControlList *controls)\n+int Camera::start(const ControlList *controls)\n {\n \tPrivate *const d = LIBCAMERA_D_PTR();\n \ndiff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp\nindex 3e6b88af4188..76fc7efd408b 100644\n--- a/src/libcamera/pipeline/ipu3/ipu3.cpp\n+++ b/src/libcamera/pipeline/ipu3/ipu3.cpp\n@@ -126,7 +126,7 @@ public:\n \tint exportFrameBuffers(Camera *camera, Stream *stream,\n \t\t\t       std::vector<std::unique_ptr<FrameBuffer>> *buffers) override;\n \n-\tint start(Camera *camera, ControlList *controls) override;\n+\tint start(Camera *camera, const ControlList *controls) override;\n \tvoid stop(Camera *camera) override;\n \n \tint queueRequestDevice(Camera *camera, Request *request) override;\n@@ -646,7 +646,7 @@ int PipelineHandlerIPU3::freeBuffers(Camera *camera)\n \treturn 0;\n }\n \n-int PipelineHandlerIPU3::start(Camera *camera, [[maybe_unused]] ControlList *controls)\n+int PipelineHandlerIPU3::start(Camera *camera, [[maybe_unused]] const ControlList *controls)\n {\n \tstd::map<uint32_t, ControlInfoMap> entityControls;\n \tIPU3CameraData *data = cameraData(camera);\ndiff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\nindex 15aa600ed581..46361bf3fa51 100644\n--- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\n+++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\n@@ -252,7 +252,7 @@ public:\n \tint exportFrameBuffers(Camera *camera, Stream *stream,\n \t\t\t       std::vector<std::unique_ptr<FrameBuffer>> *buffers) override;\n \n-\tint start(Camera *camera, ControlList *controls) override;\n+\tint start(Camera *camera, const ControlList *controls) override;\n \tvoid stop(Camera *camera) override;\n \n \tint queueRequestDevice(Camera *camera, Request *request) override;\n@@ -760,7 +760,7 @@ int PipelineHandlerRPi::exportFrameBuffers([[maybe_unused]] Camera *camera, Stre\n \treturn ret;\n }\n \n-int PipelineHandlerRPi::start(Camera *camera, ControlList *controls)\n+int PipelineHandlerRPi::start(Camera *camera, const ControlList *controls)\n {\n \tRPiCameraData *data = cameraData(camera);\n \tint ret;\ndiff --git a/src/libcamera/pipeline/rkisp1/rkisp1.cpp b/src/libcamera/pipeline/rkisp1/rkisp1.cpp\nindex a794501a9c8d..538c01392293 100644\n--- a/src/libcamera/pipeline/rkisp1/rkisp1.cpp\n+++ b/src/libcamera/pipeline/rkisp1/rkisp1.cpp\n@@ -142,7 +142,7 @@ public:\n \tint exportFrameBuffers(Camera *camera, Stream *stream,\n \t\t\t       std::vector<std::unique_ptr<FrameBuffer>> *buffers) override;\n \n-\tint start(Camera *camera, ControlList *controls) override;\n+\tint start(Camera *camera, const ControlList *controls) override;\n \tvoid stop(Camera *camera) override;\n \n \tint queueRequestDevice(Camera *camera, Request *request) override;\n@@ -745,7 +745,7 @@ int PipelineHandlerRkISP1::freeBuffers(Camera *camera)\n \treturn 0;\n }\n \n-int PipelineHandlerRkISP1::start(Camera *camera, [[maybe_unused]] ControlList *controls)\n+int PipelineHandlerRkISP1::start(Camera *camera, [[maybe_unused]] const ControlList *controls)\n {\n \tRkISP1CameraData *data = cameraData(camera);\n \tint ret;\ndiff --git a/src/libcamera/pipeline/simple/simple.cpp b/src/libcamera/pipeline/simple/simple.cpp\nindex 23320d2687e1..35cd34ddbf54 100644\n--- a/src/libcamera/pipeline/simple/simple.cpp\n+++ b/src/libcamera/pipeline/simple/simple.cpp\n@@ -125,7 +125,7 @@ public:\n \tint exportFrameBuffers(Camera *camera, Stream *stream,\n \t\t\t       std::vector<std::unique_ptr<FrameBuffer>> *buffers) override;\n \n-\tint start(Camera *camera, ControlList *controls) override;\n+\tint start(Camera *camera, const ControlList *controls) override;\n \tvoid stop(Camera *camera) override;\n \n \tbool match(DeviceEnumerator *enumerator) override;\n@@ -641,7 +641,7 @@ int SimplePipelineHandler::exportFrameBuffers(Camera *camera, Stream *stream,\n \t\treturn data->video_->exportBuffers(count, buffers);\n }\n \n-int SimplePipelineHandler::start(Camera *camera, [[maybe_unused]] ControlList *controls)\n+int SimplePipelineHandler::start(Camera *camera, [[maybe_unused]] const ControlList *controls)\n {\n \tSimpleCameraData *data = cameraData(camera);\n \tV4L2VideoDevice *video = data->video_;\ndiff --git a/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp b/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp\nindex 08a594175091..031f96e28449 100644\n--- a/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp\n+++ b/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp\n@@ -72,7 +72,7 @@ public:\n \tint exportFrameBuffers(Camera *camera, Stream *stream,\n \t\t\t       std::vector<std::unique_ptr<FrameBuffer>> *buffers) override;\n \n-\tint start(Camera *camera, ControlList *controls) override;\n+\tint start(Camera *camera, const ControlList *controls) override;\n \tvoid stop(Camera *camera) override;\n \n \tint queueRequestDevice(Camera *camera, Request *request) override;\n@@ -232,7 +232,7 @@ int PipelineHandlerUVC::exportFrameBuffers(Camera *camera, Stream *stream,\n \treturn data->video_->exportBuffers(count, buffers);\n }\n \n-int PipelineHandlerUVC::start(Camera *camera, [[maybe_unused]] ControlList *controls)\n+int PipelineHandlerUVC::start(Camera *camera, [[maybe_unused]] const ControlList *controls)\n {\n \tUVCCameraData *data = cameraData(camera);\n \tunsigned int count = data->stream_.configuration().bufferCount;\ndiff --git a/src/libcamera/pipeline/vimc/vimc.cpp b/src/libcamera/pipeline/vimc/vimc.cpp\nindex 78b47916b4db..57c65b021c46 100644\n--- a/src/libcamera/pipeline/vimc/vimc.cpp\n+++ b/src/libcamera/pipeline/vimc/vimc.cpp\n@@ -86,7 +86,7 @@ public:\n \tint exportFrameBuffers(Camera *camera, Stream *stream,\n \t\t\t       std::vector<std::unique_ptr<FrameBuffer>> *buffers) override;\n \n-\tint start(Camera *camera, ControlList *controls) override;\n+\tint start(Camera *camera, const ControlList *controls) override;\n \tvoid stop(Camera *camera) override;\n \n \tint queueRequestDevice(Camera *camera, Request *request) override;\n@@ -307,7 +307,7 @@ int PipelineHandlerVimc::exportFrameBuffers(Camera *camera, Stream *stream,\n \treturn data->video_->exportBuffers(count, buffers);\n }\n \n-int PipelineHandlerVimc::start(Camera *camera, [[maybe_unused]] ControlList *controls)\n+int PipelineHandlerVimc::start(Camera *camera, [[maybe_unused]] const ControlList *controls)\n {\n \tVimcCameraData *data = cameraData(camera);\n \tunsigned int count = data->stream_.configuration().bufferCount;\n",
    "prefixes": [
        "libcamera-devel"
    ]
}