From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752511AbcF2AdY (ORCPT ); Tue, 28 Jun 2016 20:33:24 -0400 Received: from relmlor2.renesas.com ([210.160.252.172]:36268 "EHLO relmlie1.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752440AbcF2AdW (ORCPT ); Tue, 28 Jun 2016 20:33:22 -0400 X-IronPort-AV: E=Sophos;i="5.22,559,1449500400"; d="scan'";a="214455892" Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=kuninori.morimoto.gx@renesas.com; Message-ID: <87k2h8g7rr.wl%kuninori.morimoto.gx@renesas.com> From: Kuninori Morimoto Subject: [PATCH v2 0/7] of_graph: prepare for ALSA graph support User-Agent: Wanderlust/2.15.9 Emacs/24.3 Mule/6.0 To: Rob Herring , Mark Brown , Mark Brown , Laurent , Guennadi , Grant Likely , Frank Rowand CC: Linux-Kernel , Linux-DT , Linux-ALSA MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset="US-ASCII" Date: Wed, 29 Jun 2016 00:33:15 +0000 X-Originating-IP: [211.11.155.144] X-ClientProxiedBy: OS1PR01CA0012.jpnprd01.prod.outlook.com (10.161.225.150) To KL1PR06MB1701.apcprd06.prod.outlook.com (10.167.63.15) X-MS-Office365-Filtering-Correlation-Id: 6c339933-6238-4711-6a2d-08d39fb4f674 X-Microsoft-Exchange-Diagnostics: 1;KL1PR06MB1701;2:XhO65+yPo53qUbOGhWmHH/iSbpAAHIy9WLpkMbFhysbX9k8GVfhHl3Ugz4h35FDYh8laPzaWI2wPblxhBZ6KpfFO+7i+rdm+IY+KumxZsZfaroOF/aAl6JMfCVsZGEvkR6WfJmbMPIp2MmRlZnmz6khMnAZXfK0kqFfXMTtlAYCYiBNMnoJdNiS3o9rrjPak;3:Pajs6pPoE7hNBhrmjzClWMxxpOvnr7UIEjwvAAMAlDhx4Iab267KDydygdgpvfIUvJ1LzpVqaBva2VmqMx6nlQqMV5pGeM1YAP9sVgva1YLE64n7Ha7T+ru6qO/c3Jt0;25:YEOaYkTGjYOaih1kaJJfT+tAgutrgwAE+ZO7lOiGxRsT22sPx9TlzLYAqDqvmuh/LppZI8QkyM0tFH9JZxLrG+LC0x+T55F5G0cYh/h5Hvepq1m9hZTpFRVjln+ySZZWVmOZ65emPq8KGFkuNQ/LYBzDeoXBV5mfWWc6O4abU6kZu6oo8LvPa0SvLR19gJ3TGnZ+Tyc7YKclSTqxSligNryVswd8YhA69VOCmb1S7w0aRTODuCWta7pcyHB1AqQDXVdolSsT1Te2AQyLDZu8iSKJ/Pbltq0jhbO/xCWm4RGbmU4SL+NErhuEc8WgfuUNz/c16jdtNXs7jMLD854PvDwiDPQJwxapH6577IX+rPXfI2Y/kfjiuru9XpqKP/aAS+auwob2JNmZioMqHqpufs546p1r/jA/DcxMgn42F7k=;31:Om1foP257X5tYaNvWOCgLlyaiUeOB0XIrHxsfCIfDqIKNm0YrRCoN70DvhVc1l7m44vhnjPxnFBWYGQTG77SyTbrxyDCTl6FsNrx5Ysof11vyvRwM3Uoki4qR+g4JTA61dhVNrqo8GvhDXGMJv2Zv7w5TvAbp7psrFcpC7UK5o5zUVXLxLFoDQxWoc5Qze788BJlhjkPgUZLGDtGIU5G 1g== X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:KL1PR06MB1701; 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But, for example, HDMI case, V4L2 <-> ALSA need to collaborate, and then ALSA SoC needs to adjust to OF graph. OTOH, V4L2's "OF graph" position is same as ALSA SoC "sound card" position. And ALSA SoC side want to keep existing supported feature on new OF graph style. I'm posting this on ALSA SoC ML now. Now, current of_graph is indicating port/endpoint, but there is no way to understand that it is for video port ? or sound port ? or other device port ? For example, HDMI has video port, and sound port. Because of this reason, ALSA SoC side can't handle OF graph correctly. Thus, this patch-set tries to add new "type" on OF graph. And this patch-set includes small feature which are useful for ALSA SoC side OF graph support. Kuninori Morimoto (7): Documentation: of: add type property of_graph: add of_graph_get_remote_endpoint() of_graph: add of_graph_port_type_is() of_graph: add of_graph_get_port_parent() of_graph: add of_graph_get_top_port() of_graph: add for_each_of_port() / for_each_of_endpoint_in_port() of_graph: add of_graph_get_endpoint_count() Documentation/devicetree/bindings/graph.txt | 21 ++++ drivers/of/base.c | 164 ++++++++++++++++++++++++++-- include/linux/of_graph.h | 61 +++++++++++ 3 files changed, 236 insertions(+), 10 deletions(-) -- 1.9.1