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{ "id": 812368, "url": "http://patchwork.ozlabs.org/api/covers/812368/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-tegra/cover/20170911122952.33980-1-hverkuil@xs4all.nl/", "project": { "id": 21, "url": "http://patchwork.ozlabs.org/api/projects/21/?format=api", "name": "Linux Tegra Development", "link_name": "linux-tegra", "list_id": "linux-tegra.vger.kernel.org", "list_email": "linux-tegra@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170911122952.33980-1-hverkuil@xs4all.nl>", "list_archive_url": null, "date": "2017-09-11T12:29:48", "name": "[PATCHv4,0/4] tegra-cec: add Tegra HDMI CEC support", "submitter": { "id": 723, "url": "http://patchwork.ozlabs.org/api/people/723/?format=api", "name": "Hans Verkuil", "email": "hverkuil@xs4all.nl" }, "mbox": "http://patchwork.ozlabs.org/project/linux-tegra/cover/20170911122952.33980-1-hverkuil@xs4all.nl/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/covers/812368/comments/", "headers": { "Return-Path": "<linux-tegra-owner@vger.kernel.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=linux-tegra-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)", "Received": [ "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xrS1N5RKzz9s4q\n\tfor <incoming@patchwork.ozlabs.org>;\n\tMon, 11 Sep 2017 22:30:00 +1000 (AEST)", "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751867AbdIKM37 (ORCPT <rfc822;incoming@patchwork.ozlabs.org>);\n\tMon, 11 Sep 2017 08:29:59 -0400", "from lb3-smtp-cloud8.xs4all.net ([194.109.24.29]:37931 \"EHLO\n\tlb3-smtp-cloud8.xs4all.net\" rhost-flags-OK-OK-OK-OK)\n\tby vger.kernel.org with ESMTP id S1751317AbdIKM36 (ORCPT\n\t<rfc822;linux-tegra@vger.kernel.org>);\n\tMon, 11 Sep 2017 08:29:58 -0400", "from tschai.fritz.box ([212.251.195.8])\n\tby smtp-cloud8.xs4all.net with ESMTPA\n\tid rNqaddCkGcQyLrNqedpGgx; Mon, 11 Sep 2017 14:29:56 +0200" ], "From": "Hans Verkuil <hverkuil@xs4all.nl>", "To": "linux-media@vger.kernel.org", "Cc": "linux-tegra@vger.kernel.org, devicetree@vger.kernel.org,\n\tdri-devel@lists.freedesktop.org, thierry.reding@gmail.com", "Subject": "[PATCHv4 0/4] tegra-cec: add Tegra HDMI CEC support", "Date": "Mon, 11 Sep 2017 14:29:48 +0200", "Message-Id": "<20170911122952.33980-1-hverkuil@xs4all.nl>", "X-Mailer": "git-send-email 2.14.1", "X-CMAE-Envelope": "MS4wfPD1lBvkDAD3nF7yPJcbmS80GclI3qB0UnQwq67jtpChhXfilh1N1iOTQmXaqLzK4YbzlTquoNOnIT1ONvT9qgKgcdFrOPbxONrfrbctq9A1f7Kx2Tat\n\tZFoWNtg98fsL8Wb2RrBdsuPc+MVnat1U76cOJw4SsBuRXw5abuoAdj//x0XKl9G/Ge9vmz2qjTlmr0pvl1Y8mmDrb68rNLBLEbLavaF7XoHn1WvFLT1ZNYVO\n\tpQ6WwyWRuaZBKL5LGcsAbPy92sWjQDZfRFVS5Chs/b467mEs3aASHWFrkvqGUTwOBDBdTMY5Ar3/F+xvuDJN3IN3XmnmgpCxW4dyZu4/nj8=", "Sender": "linux-tegra-owner@vger.kernel.org", "Precedence": "bulk", "List-ID": "<linux-tegra.vger.kernel.org>", "X-Mailing-List": "linux-tegra@vger.kernel.org" }, "content": "From: Hans Verkuil <hans.verkuil@cisco.com>\n\nThis patch series adds support for the Tegra CEC functionality.\n\nThis v4 has been rebased to the latest 4.14 pre-rc1 mainline.\n\nPlease review! Other than for the bindings that are now Acked I have not\nreceived any feedback.\n\nThe first patch documents the CEC bindings, the second adds support\nfor this to tegra124.dtsi and enables it for the Jetson TK1.\n\nThe third patch adds the CEC driver itself and the final patch adds\nthe cec notifier support to the drm/tegra driver in order to notify\nthe CEC driver whenever the physical address changes.\n\nI expect that the dts changes apply as well to the Tegra X1/X2 and possibly\nother Tegra SoCs, but I can only test this with my Jetson TK1 board.\n\nThe dt-bindings and the tegra-cec driver would go in through the media\nsubsystem, the drm/tegra part through the drm subsystem and the dts\nchanges through (I guess) the linux-tegra developers. Luckily they are\nall independent of one another.\n\nTo test this you need the CEC utilities from git://linuxtv.org/v4l-utils.git.\n\nTo build this:\n\ngit clone git://linuxtv.org/v4l-utils.git\ncd v4l-utils\n./bootstrap.sh; ./configure\nmake\nsudo make install # optional, you really only need utils/cec*\n\nTo test:\n\ncec-ctl --playback # configure as playback device\ncec-ctl -S # detect all connected CEC devices\n\nSee here for the public CEC API:\n\nhttps://hverkuil.home.xs4all.nl/spec/uapi/cec/cec-api.html\n\nRegards,\n\n\tHans\n\nChanges since v3:\n\n- Use the new CEC_CAP_DEFAULTS define\n- Use IS_ERR(cec->adap) instead of IS_ERR_OR_NULL(cec->adap)\n (cec_allocate_adapter never returns a NULL pointer)\n- Drop the device_init_wakeup: wakeup is not (yet) supported by\n the CEC framework and I have never tested it.\n\nHans Verkuil (4):\n dt-bindings: document the tegra CEC bindings\n ARM: tegra: add CEC support to tegra124.dtsi\n tegra-cec: add Tegra HDMI CEC driver\n drm/tegra: add cec-notifier support\n\n .../devicetree/bindings/media/tegra-cec.txt | 27 ++\n MAINTAINERS | 8 +\n arch/arm/boot/dts/tegra124-jetson-tk1.dts | 4 +\n arch/arm/boot/dts/tegra124.dtsi | 12 +-\n drivers/gpu/drm/tegra/Kconfig | 1 +\n drivers/gpu/drm/tegra/drm.h | 3 +\n drivers/gpu/drm/tegra/hdmi.c | 9 +\n drivers/gpu/drm/tegra/output.c | 6 +\n drivers/media/platform/Kconfig | 11 +\n drivers/media/platform/Makefile | 2 +\n drivers/media/platform/tegra-cec/Makefile | 1 +\n drivers/media/platform/tegra-cec/tegra_cec.c | 501 +++++++++++++++++++++\n drivers/media/platform/tegra-cec/tegra_cec.h | 127 ++++++\n 13 files changed, 711 insertions(+), 1 deletion(-)\n create mode 100644 Documentation/devicetree/bindings/media/tegra-cec.txt\n create mode 100644 drivers/media/platform/tegra-cec/Makefile\n create mode 100644 drivers/media/platform/tegra-cec/tegra_cec.c\n create mode 100644 drivers/media/platform/tegra-cec/tegra_cec.h" }