{"id":1489,"url":"https://patchwork.libcamera.org/api/1.1/patches/1489/?format=json","web_url":"https://patchwork.libcamera.org/patch/1489/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/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":"<20190620153144.5394-7-jacopo@jmondi.org>","date":"2019-06-20T15:31:44","name":"[libcamera-devel,v5,6/6,HACK] ipu3: Set and get a few sensor controls","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"6fdc37e1172a4e64b94e07ddac95d44de741b3a3","submitter":{"id":3,"url":"https://patchwork.libcamera.org/api/1.1/people/3/?format=json","name":"Jacopo Mondi","email":"jacopo@jmondi.org"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/1489/mbox/","series":[{"id":368,"url":"https://patchwork.libcamera.org/api/1.1/series/368/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=368","date":"2019-06-20T15:31:38","name":"Add support for V4L2 controls","version":5,"mbox":"https://patchwork.libcamera.org/series/368/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/1489/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/1489/checks/","tags":{},"headers":{"Return-Path":"","Received":["from relay1-d.mail.gandi.net (relay1-d.mail.gandi.net\n\t[217.70.183.193])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 1BF3761371\n\tfor ;\n\tThu, 20 Jun 2019 17:30:44 +0200 (CEST)","from uno.lan (2-224-242-101.ip172.fastwebnet.it [2.224.242.101])\n\t(Authenticated sender: jacopo@jmondi.org)\n\tby relay1-d.mail.gandi.net (Postfix) with ESMTPSA id 8EF3D240002;\n\tThu, 20 Jun 2019 15:30:43 +0000 (UTC)"],"X-Originating-IP":"2.224.242.101","From":"Jacopo Mondi ","To":"libcamera-devel@lists.libcamera.org","Date":"Thu, 20 Jun 2019 17:31:44 +0200","Message-Id":"<20190620153144.5394-7-jacopo@jmondi.org>","X-Mailer":"git-send-email 2.21.0","In-Reply-To":"<20190620153144.5394-1-jacopo@jmondi.org>","References":"<20190620153144.5394-1-jacopo@jmondi.org>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v5 6/6] [HACK] ipu3: Set and get a few\n\tsensor controls","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.23","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","X-List-Received-Date":"Thu, 20 Jun 2019 15:30:44 -0000"},"content":"Not to merge patch to demonstrate how to set controls on the image\nsensor device.\n\nNot-Signed-off-by: Jacopo Mondi \n---\n src/libcamera/pipeline/ipu3/ipu3.cpp | 41 ++++++++++++++++++++++++++++\n 1 file changed, 41 insertions(+)","diff":"diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp\nindex 54a6735dfc87..f561b6cd5c53 100644\n--- a/src/libcamera/pipeline/ipu3/ipu3.cpp\n+++ b/src/libcamera/pipeline/ipu3/ipu3.cpp\n@@ -677,6 +677,47 @@ int PipelineHandlerIPU3::start(Camera *camera)\n \tImgUDevice *imgu = data->imgu_;\n \tint ret;\n \n+\t/* --- Get control values --- */\n+\tV4L2Controls controls;\n+\tcontrols.add(V4L2_CID_EXPOSURE);\n+\tcontrols.add(V4L2_CID_ANALOGUE_GAIN);\n+\tret = cio2->sensor_->getControls(&controls);\n+\tif (ret) {\n+\t\tLOG(Error) << \"Failed to get control values\";\n+\t\treturn -EINVAL;\n+\t}\n+\n+\tfor (const V4L2Control &ctrl : controls) {\n+\t\tunsigned int id = ctrl.id();\n+\t\tconst V4L2ControlInfo *info = cio2->sensor_->getControlInfo(id);\n+\t\tif (!info)\n+\t\t\tcontinue;\n+\n+\t\tLOG(Error) << \"Control : \" << id << \" - name : \" << info->name()\n+\t\t\t << \" - value: \" << ctrl.value();\n+\t}\n+\n+\t/* --- Set control values --- */\n+\tcontrols.reset();\n+\tcontrols.add(V4L2_CID_EXPOSURE, 2046);\n+\tcontrols.add(V4L2_CID_ANALOGUE_GAIN, 1024);\n+\n+\tret = cio2->sensor_->setControls(&controls);\n+\tif (ret) {\n+\t\tLOG(IPU3, Error) << \"Failed to set controls\";\n+\t\treturn ret;\n+\t}\n+\n+\tfor (const V4L2Control &ctrl : controls) {\n+\t\tunsigned int id = ctrl.id();\n+\t\tconst V4L2ControlInfo *info = cio2->sensor_->getControlInfo(id);\n+\t\tif (!info)\n+\t\t\tcontinue;\n+\n+\t\tLOG(Error) << \"Control : \" << id << \" - name : \" << info->name()\n+\t\t\t << \" - value: \" << ctrl.value();\n+\t}\n+\n \t/*\n \t * Start the ImgU video devices, buffers will be queued to the\n \t * ImgU output and viewfinder when requests will be queued.\n","prefixes":["libcamera-devel","v5","6/6","HACK"]}