linux-kernel - Re: [PATCH 0/4 v2] Audio support for adv7511 hdmi bridge

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Date:   Wed, 19 Oct 2016 00:26:55 +0000
From:   Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
To:     Laurent Pinchart <laurent.pinchart@...asonboard.com>
CC:     John Stultz <john.stultz@...aro.org>,
        lkml <linux-kernel@...r.kernel.org>,
        David Airlie <airlied@...ux.ie>,
        "Archit Taneja" <architt@...eaurora.org>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Ville Syrjälä 
        <ville.syrjala@...ux.intel.com>,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Andy Green <andy@...mcat.com>,
        "Dave Long" <dave.long@...aro.org>,
        Guodong Xu <guodong.xu@...aro.org>,
        "Zhangfei Gao" <zhangfei.gao@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        "Lars-Peter Clausen" <lars@...afoo.de>,
        Jose Abreu <joabreu@...opsys.com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>
Subject: Re: [PATCH 0/4 v2] Audio support for adv7511 hdmi bridge


Hi Laurent, John,

> > Here's what I'm using to get it working:
> > https://git.linaro.org/people/john.stultz/android-dev.git/commitdiff/1024cb4
> > 85b6f00a7e355ce60425f04a584481148
> 
> Thank you.
> 
> We need to standardize DT bindings for HDMI sound output. Morimoto-san, could 
> you have a look at the DT bindings proposal for HDMI sound output with the 
> ADV7511, and comment on whether it matches the approach you've taken for HDMI 
> sound output on R-Car Gen3 ?

Above patch is using normal simple-card style for HDMI sound, but as Laurent
said we want to use same DT style for HDMI video and sound (= OF graph style).
Fortunately, I posted patch-set for OF graph support on sound card yesterday.
Can you check this ?
http://www.spinics.net/lists/devicetree/msg146131.html
The points are
 - sound can use OF graph style DT
 - sound-card DT is no longer needed
 - it needs type = "sound" property

patch-set [0/23] is this
http://www.spinics.net/lists/devicetree/msg146113.html