linux-kernel - AW: [alsa-devel] [PATCH] ASoC: sgtl5000: fix powerup/down of micbias-voltage

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Date:   Sat, 13 Jan 2018 09:50:58 +0000
From:   "Fischer, Christian" <fischerc@...ssphone.de>
To:     Fabio Estevam <festevam@...il.com>
CC:     Mark Brown <broonie@...nel.org>,
        "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "tiwai@...e.com" <tiwai@...e.com>,
        "lgirdwood@...il.com" <lgirdwood@...il.com>,
        "fabio.estevam@....com" <fabio.estevam@....com>,
        "bhumirks@...il.com" <bhumirks@...il.com>,
        "richard.leitner@...data.com" <richard.leitner@...data.com>
Subject: AW: [alsa-devel] [PATCH] ASoC: sgtl5000: fix powerup/down of
 micbias-voltage

>> What about using simple audio card binding in your device tree instead?
>>
>> You could pass the simple-audio-card,routing property as described in
>> Documentation/devicetree/bindings/sound/simple-card.txt
>>
>> A dts where sgtl5000 is used with simple audio card is
>> arch/arm/boot/dts/imx7s-warp.dts.
>>
>> This one does not use simple-audio-card,routing, but at least it gives
>> you a reference.
>
> This one uses sgtl5000 with simple-audio-card,routing:
> arch/arm/boot/dts/imx6ul-tx6ul.dtsi
> 
> Hope it helps.

Hello Fabio,

you are right, a simple-audio-card would work too! Thanks!
I also applied a patch for mxs-sgtl5000 machine-driver that adds audio-routing support:
http://mailman.alsa-project.org/pipermail/alsa-devel/2018-January/130666.html