linux-kernel - Re: [PATCH 1/2] ASoC: add DT bindings documentation for ROHM BD28623 codec

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Date:   Wed, 21 Feb 2018 21:26:50 +0900
From:   "Katsuhiro Suzuki" <suzuki.katsuhiro@...ionext.com>
To:     "'Mark Brown'" <broonie@...nel.org>,
        Suzuki, Katsuhiro/鈴木 勝博 
        <suzuki.katsuhiro@...ionext.com>
Cc:     <alsa-devel@...a-project.org>, "Rob Herring" <robh+dt@...nel.org>,
        <devicetree@...r.kernel.org>,
        "Masami Hiramatsu" <masami.hiramatsu@...aro.org>,
        "Jassi Brar" <jaswinder.singh@...aro.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] ASoC: add DT bindings documentation for ROHM BD28623 codec

Hello Mark,

Thank you for your review.

> -----Original Message-----
> From: Mark Brown [mailto:broonie@...nel.org]
> Sent: Wednesday, February 21, 2018 9:14 PM
> To: Suzuki, Katsuhiro <suzuki.katsuhiro@...ionext.com>
> Cc: alsa-devel@...a-project.org; Rob Herring <robh+dt@...nel.org>; devicetree@...r.kernel.org; Masami Hiramatsu
> <masami.hiramatsu@...aro.org>; Jassi Brar <jaswinder.singh@...aro.org>; linux-arm-kernel@...ts.infradead.org;
> linux-kernel@...r.kernel.org
> Subject: Re: [PATCH 1/2] ASoC: add DT bindings documentation for ROHM BD28623 codec
> 
> On Wed, Feb 21, 2018 at 01:33:10PM +0900, Katsuhiro Suzuki wrote:
> 
> > +Optional properties:
> > +- VCCA-supply : regulator phandle for the VCCA supply
> > +- VCCP1-supply: regulator phandle for the VCCP1 supply
> > +- VCCP2-supply: regulator phandle for the VCCP2 supply
> 
> These should be documented as mandatory unless the device genuinely
> operates without power which seems unlikely.

Indeed, this IC does not work correctly if VCC power supply is lost.
It's not optional. I'll fix it and send V2.


Regards,
--
Katsuhiro Suzuki