linux-kernel - Re: [PATCH] ASoC: Writing register default value for the reset register

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Message-ID: <20111011133118.GB3471@opensource.wolfsonmicro.com>
Date:	Tue, 11 Oct 2011 14:31:18 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Dimitris Papastamos <dp@...nsource.wolfsonmicro.com>
Cc:	Axel Lin <axel.lin@...il.com>, linux-kernel@...r.kernel.org,
	Liam Girdwood <lrg@...com>, alsa-devel@...a-project.org
Subject: Re: [PATCH] ASoC: Writing register default value for the reset
 register

On Tue, Oct 11, 2011 at 01:33:05PM +0100, Dimitris Papastamos wrote:
> On Tue, Oct 11, 2011 at 05:55:00PM +0800, Axel Lin wrote:
> > The WM8983 can be reset by performing a write of any value to
> > the software reset register.

> > -	ret = snd_soc_write(codec, WM8983_SOFTWARE_RESET, 0x8983);
> > +	ret = snd_soc_write(codec, WM8983_SOFTWARE_RESET, 0);

> We should probably just handle the reset register specially during
> resume.

I really don't think it's worth the code complexity to add special
handling like that, this is a trivial patch which avoids the need for
any extra infrastructure.
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