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Thu, 14 Apr 2016 05:48:57 +0000 Message-ID: <87vb3kvj7i.wl%kuninori.morimoto.gx@renesas.com> From: Kuninori Morimoto User-Agent: Wanderlust/2.15.9 Emacs/24.3 Mule/6.0 To: Mark Brown , Laurent , Lars-Peter Clausen In-Reply-To: <871t68wxxe.wl%kuninori.morimoto.gx@renesas.com> References: <871t68wxxe.wl%kuninori.morimoto.gx@renesas.com> MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Date: Thu, 14 Apr 2016 05:48:57 +0000 X-Originating-IP: [211.11.155.144] X-ClientProxiedBy: OS2PR01CA0011.jpnprd01.prod.outlook.com (10.161.74.149) To SG2PR06MB1712.apcprd06.prod.outlook.com (10.167.82.142) X-MS-Office365-Filtering-Correlation-Id: 1159119b-e030-4415-0ae0-08d364287924 X-Microsoft-Exchange-Diagnostics: 1; SG2PR06MB1712; 2:wHh5QuC0050O88sjd8LOeypguMjenDcTiSzFnUFfgpI7tlo6Ui6plzyITBRxfBtb/Zg2xiGGNudbPiQ6KzEHNqJpUFcLm76MCxkNMbdk0zZCfy+ma+j14vWWaK7qOVNNwIi/nIllOfuWqPLlXpGev7koOegidpiZWzDMpyHo+DsdjrUtEPGw8qiLQxYrEmH4; 3:gDIH4y2WYplPsJUyDh/WXdXiD5ritqt5Vu9r7Xa5CRirUQCPKiZTZiCmekSQ5UupzayTadLJmPvDwGnbXJuTfnDKeuQ/YUkI4U0thYcRE92juJ8IytwBIxghD70vcpee; 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SG2PR06MB1712; 5:Bd9gYCE7kYsqibCTc/iRhmUj8AWipILLt0dUaoAhrS0aKQJtQ2V+rPe8l4jK7mStEXOg4qxRvNKQ7lutkUoEo+z64Wfm5XGPlooMJDFIep02spy+73u3L1MtbJdIh6GvR2AZlybueItmwvBODqKtXA==; 24:DiMTT4A0Yq9C6a+u+f2vVAsMZzqvEMiB7MuDM6CyieacVj53Zd4h+gN8wTwiKBSoOsziBiuGk8Zxv6GLkuEcdQGb8y33KRyawErFre1a3P8=; 20:Iv+AXFF4GOHGECRYtYpVKtDmCXXG7pUAwl233itz7l+OU4OLUoPS1nzYSkhvci1ZDrSxK+plR35rKUVVsmKJm7S96sHKEIXj8xyeppSc/nDWPLPLojnceZHZKRl9k304eknvAvNpoTZ3mnizcpX8m4d0RgYkIRszdkSdrP43rVs= SpamDiagnosticOutput: 1:23 SpamDiagnosticMetadata: NSPM X-OriginatorOrg: renesas.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Apr 2016 05:48:57.3089 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-Transport-CrossTenantHeadersStamped: SG2PR06MB1712 Cc: Jose Abreu , Linux-DT , Linux-ALSA , Liam Girdwood , Linux-Renesas , Simon Subject: [alsa-devel] [PATCH 4/4] ASoC: simple-card: probe both sound-dai and remote-endpoint X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP From: Kuninori Morimoto Current simple-card can probe "sound-dai" base connection on DT. OTOH, V4L2 soc is using graph base connection. Because of this different style, DT will be confusable if it support both video/sound in same time. This patch enables both "sound-dai" (= current simple-card style) and "remote-endpoint" (= current V4L2 style) on simple-card. sound { compatible = "simple-audio-card"; ... sndcpu: simple-audio-card,cpu { sound-dai = <&xxxx>; }; sndcodec: simple-audio-card,codec { remote-endpoint = <&yyyy>; }; }; Signed-off-by: Kuninori Morimoto --- .../devicetree/bindings/sound/simple-card.txt | 19 +++++++++++++++++++ sound/soc/generic/simple-card.c | 9 ++++++--- 2 files changed, 25 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/sound/simple-card.txt b/Documentation/devicetree/bindings/sound/simple-card.txt index cf3979e..030edca 100644 --- a/Documentation/devicetree/bindings/sound/simple-card.txt +++ b/Documentation/devicetree/bindings/sound/simple-card.txt @@ -70,6 +70,7 @@ properties should also be placed in the codec node if needed. Required CPU/CODEC subnodes properties: - sound-dai : phandle and port of CPU/CODEC +- remote-endpoint : graph endpoint of CPU/CODEC Optional CPU/CODEC subnodes properties: @@ -162,3 +163,21 @@ sound { }; }; }; + +Example 3 - sound-dai and remote-endpoint + +rsnd_ak4613: sound { + compatible = "simple-audio-card"; + + simple-audio-card,name = "R-Sound"; + simple-audio-card,format = "left_j"; + simple-audio-card,bitclock-master = <&sndcpu>; + simple-audio-card,frame-master = <&sndcpu>; + + sndcpu: simple-audio-card,cpu { + sound-dai = <&rcar_sound 1>; + }; + sndcodec: simple-audio-card,codec { + remote-endpoint = <&du_out_hdmi0>; + }; +}; diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 2389ab4..a1d6001 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -224,11 +225,13 @@ asoc_simple_card_sub_parse_of(struct device_node *np, int ret; /* - * Get node via "sound-dai = <&phandle port>" + * Get node via + * sound-dai = <&phandle port> + * or + * remote-endpoint = <&phandle> * it will be used as xxx_of_node on soc_bind_dai_link() */ - ret = of_parse_phandle_with_args(np, "sound-dai", - "#sound-dai-cells", 0, &args); + ret = of_parse_snd_soc_connection_with_args(np, &args); if (ret) return ret;