linux-kernel - Re: [PATCH v2 2/2] ASoC: es7241: add es7241 codec support

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Message-ID: <1530526503.2900.144.camel@baylibre.com>
Date:   Mon, 02 Jul 2018 12:15:03 +0200
From:   Jerome Brunet <jbrunet@...libre.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     Liam Girdwood <lgirdwood@...il.com>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] ASoC: es7241: add es7241 codec support

On Mon, 2018-07-02 at 11:12 +0100, Mark Brown wrote:
> On Sat, Jun 30, 2018 at 07:22:41PM +0200, Jerome Brunet wrote:
> 
> > +	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
> > +	case SND_SOC_DAIFMT_I2S:
> > +	case SND_SOC_DAIFMT_LEFT_J:
> > +		break;
> 
> These two modes are not the same so either there should be some
> different handling to select between them or one shouldn't be supported.
> 
> Otherwise this looks good.

Actually, the difference is provided with some pull-up/pull-down resistor.
There no way to set this up in SW, AFAIK.
So the driver shall accept both and trust we are not doing anything crazy