linux-kernel - Re: [PATCH 1/3] ASoC: wm8940: Remove warning when no plat data

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Message-ID: <Yp9F+r1WryNFzyrM@sirena.org.uk>
Date:   Tue, 7 Jun 2022 13:35:06 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Lukasz Majewski <lukma@...x.de>
Cc:     Liam Girdwood <lgirdwood@...il.com>, linux-kernel@...r.kernel.org,
        patches@...nsource.cirrus.com, alsa-devel@...a-project.org,
        Takashi Iwai <tiwai@...e.com>, Jaroslav Kysela <perex@...ex.cz>
Subject: Re: [PATCH 1/3] ASoC: wm8940: Remove warning when no plat data

On Tue, Jun 07, 2022 at 02:30:39PM +0200, Lukasz Majewski wrote:
> > On Mon, Jun 06, 2022 at 06:17:31PM +0200, Lukasz Majewski wrote:
> > > > On Mon, Jun 06, 2022 at 05:44:39PM +0200, Lukasz Majewski wrote:  

> > > My point is that - similar codec - wm8974 don't display such
> > > warnings. (this code was not updated/refactored for a quite long
> > > time).  

> > Perhaps those drivers are buggy, or those devices lack this specific
> > configuration that's being adjusted?  The changelog should at least
> > address why the driver was warning about configuration being required
> > but it's safe to ignore that.

> With v4.4 from which I forward port those changes only the PXA
> 'stargate2' mach is using this codec.

> In this version there is no reference to 'vroi'.

That's equivalent to setting a value of 0 given the way platform data
works.

> I guess that one can provide the 'vroi' information via DTS nowadays if
> required.

Yes, that's what I'd expect.

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