{"id":629,"url":"https://patchwork.libcamera.org/api/patches/629/?format=json","web_url":"https://patchwork.libcamera.org/patch/629/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20190226021857.28255-9-niklas.soderlund@ragnatech.se>","date":"2019-02-26T02:18:57","name":"[libcamera-devel,8/8] libcamera: camera: make sure camera is configured before starting","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"7b7e0e4e67cf1ba8ce91babdf47f53dc7646455b","submitter":{"id":5,"url":"https://patchwork.libcamera.org/api/people/5/?format=json","name":"Niklas Söderlund","email":"niklas.soderlund@ragnatech.se"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/629/mbox/","series":[{"id":192,"url":"https://patchwork.libcamera.org/api/series/192/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=192","date":"2019-02-26T02:18:50","name":"libcamera: improve validation of camera operations","version":1,"mbox":"https://patchwork.libcamera.org/series/192/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/629/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/629/checks/","tags":{},"headers":{"Return-Path":"<niklas.soderlund@ragnatech.se>","Received":["from bin-mail-out-06.binero.net (bin-mail-out-06.binero.net\n\t[195.74.38.229])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id A1ED0610B7\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 26 Feb 2019 03:19:30 +0100 (CET)","from bismarck.berto.se (unknown [89.233.230.99])\n\tby bin-vsp-out-02.atm.binero.net (Halon) with ESMTPA\n\tid f22da30a-396c-11e9-985a-005056917f90;\n\tTue, 26 Feb 2019 03:19:29 +0100 (CET)"],"X-Halon-ID":"f22da30a-396c-11e9-985a-005056917f90","Authorized-sender":"niklas@soderlund.pp.se","From":"=?utf-8?q?Niklas_S=C3=B6derlund?= <niklas.soderlund@ragnatech.se>","To":"libcamera-devel@lists.libcamera.org","Date":"Tue, 26 Feb 2019 03:18:57 +0100","Message-Id":"<20190226021857.28255-9-niklas.soderlund@ragnatech.se>","X-Mailer":"git-send-email 2.20.1","In-Reply-To":"<20190226021857.28255-1-niklas.soderlund@ragnatech.se>","References":"<20190226021857.28255-1-niklas.soderlund@ragnatech.se>","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH 8/8] libcamera: camera: make sure camera\n\tis configured before starting","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.23","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":"Tue, 26 Feb 2019 02:19:30 -0000"},"content":"If the camera is not configured there is little use to start it. Add a\ncheck to make sure the camera is configured before it's started.\n\nSigned-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>\n---\n src/libcamera/camera.cpp | 7 +++++++\n 1 file changed, 7 insertions(+)","diff":"diff --git a/src/libcamera/camera.cpp b/src/libcamera/camera.cpp\nindex ba8638009992170f..cbc34599d25e5ed5 100644\n--- a/src/libcamera/camera.cpp\n+++ b/src/libcamera/camera.cpp\n@@ -423,12 +423,19 @@ int Camera::queueRequest(Request *request)\n  *\n  * \\return 0 on success or a negative error code\n  * \\retval -EACCES The camera is not in a state where it can be started.\n+ * \\retval -EINVAL The camera is not configured.\n  */\n int Camera::start()\n {\n \tif (!stateIs(Acquired))\n \t\treturn -EACCES;\n \n+\tif (activeStreams_.empty()) {\n+\t\tLOG(Camera, Error)\n+\t\t\t<< \"Can't start camera without configuration\";\n+\t\treturn -EINVAL;\n+\t}\n+\n \tLOG(Camera, Debug) << \"Starting capture\";\n \n \tint ret = pipe_->start(this);\n","prefixes":["libcamera-devel","8/8"]}