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{ "id": 1329, "url": "https://patchwork.libcamera.org/api/1.1/covers/1329/?format=api", "web_url": "https://patchwork.libcamera.org/cover/1329/", "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": "<20190602130435.18780-1-jacopo@jmondi.org>", "date": "2019-06-02T13:04:29", "name": "[libcamera-devel,0/6] libcamera: v4l2_controls: Add support for V4L2 controls", "submitter": { "id": 3, "url": "https://patchwork.libcamera.org/api/1.1/people/3/?format=api", "name": "Jacopo Mondi", "email": "jacopo@jmondi.org" }, "mbox": "https://patchwork.libcamera.org/cover/1329/mbox/", "series": [ { "id": 333, "url": "https://patchwork.libcamera.org/api/1.1/series/333/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=333", "date": "2019-06-02T13:04:29", "name": "libcamera: v4l2_controls: Add support for V4L2 controls", "version": 1, "mbox": "https://patchwork.libcamera.org/series/333/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/1329/comments/", "headers": { "Return-Path": "<jacopo@jmondi.org>", "Received": [ "from relay11.mail.gandi.net (relay11.mail.gandi.net\n\t[217.70.178.231])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 2D56260BFA\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tSun, 2 Jun 2019 15:03:42 +0200 (CEST)", "from uno.homenet.telecomitalia.it (unknown [79.35.79.123])\n\t(Authenticated sender: jacopo@jmondi.org)\n\tby relay11.mail.gandi.net (Postfix) with ESMTPSA id 85118100004;\n\tSun, 2 Jun 2019 13:03:41 +0000 (UTC)" ], "From": "Jacopo Mondi <jacopo@jmondi.org>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Sun, 2 Jun 2019 15:04:29 +0200", "Message-Id": "<20190602130435.18780-1-jacopo@jmondi.org>", "X-Mailer": "git-send-email 2.21.0", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH 0/6] libcamera: v4l2_controls: Add support\n\tfor V4L2 controls", "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": "Sun, 02 Jun 2019 13:03:42 -0000" }, "content": "Hello,\n this series implement support for V4L2 Controls through the V4L2 Extended\nControls APIs.\n\nThe series provide a base class for V4L2Device and V4L2Subdevice where the\ncontrol support will be implemented, as it is common between devices and\nsubdevices. After this, V4L2Controls are defined, by using a base template class\nspecialized by derived classes meant to be used to access the control value.\n\nUsing the defined data types, support to get and set a single or a list of\ncontrols is added to the V4L2base class, to be shared by both V4L2Device and\nV4L2Subdevice implementations.\n\nFinally, controls are used to set the IPU3 pipe mode, and in a final example\npatch not meant to be merged a list of control is applied to the camera sensor.\n\nTested on IPU3 Soraka, by inspecting the control values before and after running\nthe IPU3 pipeline handler.\n\nThanks\n j\n\nJacopo Mondi (6):\n libcamera: camera_sensor: Add dev() operation\n libcamera: Provide a V4L2Base class\n libcamera: Add V4L2Controls\n libcamera: v4l2_base: Add V4L2 control support\n libcamera: ipu3: Set pipe_mode based on stream configuration\n [HACK] ipu3: Set and get a few sensor controls\n\n src/libcamera/camera_sensor.cpp | 6 +\n src/libcamera/include/camera_sensor.h | 1 +\n src/libcamera/include/v4l2_base.h | 43 +++\n src/libcamera/include/v4l2_controls.h | 147 ++++++++++\n src/libcamera/include/v4l2_device.h | 9 +-\n src/libcamera/include/v4l2_subdevice.h | 9 +-\n src/libcamera/meson.build | 3 +\n src/libcamera/pipeline/ipu3/ipu3.cpp | 116 ++++++++\n src/libcamera/v4l2_base.cpp | 354 +++++++++++++++++++++++++\n src/libcamera/v4l2_controls.cpp | 301 +++++++++++++++++++++\n src/libcamera/v4l2_device.cpp | 13 +-\n src/libcamera/v4l2_subdevice.cpp | 12 +-\n 12 files changed, 984 insertions(+), 30 deletions(-)\n create mode 100644 src/libcamera/include/v4l2_base.h\n create mode 100644 src/libcamera/include/v4l2_controls.h\n create mode 100644 src/libcamera/v4l2_base.cpp\n create mode 100644 src/libcamera/v4l2_controls.cpp\n\n--\n2.21.0" }