linux-kernel - Re: [PATCH 2/3] ASoC: ux500: move clock controls to ab8500-codec

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Date:	Thu, 2 May 2013 09:54:21 +0200
From:	Fabio Baltieri <fabio.baltieri@...aro.org>
To:	Mark Brown <broonie@...nel.org>
Cc:	Liam Girdwood <lgirdwood@...il.com>, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org,
	Linus Walleij <linus.walleij@...aro.org>,
	Lee Jones <lee.jones@...aro.org>,
	Ola Lilja <ola.o.lilja@...ricsson.com>
Subject: Re: [PATCH 2/3] ASoC: ux500: move clock controls to ab8500-codec

On Tue, Apr 30, 2013 at 07:30:35PM +0100, Mark Brown wrote:
> On Tue, Apr 30, 2013 at 04:09:53PM +0200, Fabio Baltieri wrote:
> > Move ab8500 clock control definitions to the ab8500 codec driver,
> > leaving only card specific setting in mop500_ab8500_ctrls.
> 
> So, if this is some generic thing and not some weird stuff for the card
> this really reopens the question about why this is done with user
> visible controls...
> 
> >  static struct snd_kcontrol_new ab8500_ctrls[] = {
> > +	/* Digital interface - Clocks */
> > +	SOC_SINGLE("Digital Interface Master Generator Switch",
> > +		AB8500_DIGIFCONF1, AB8500_DIGIFCONF1_ENMASTGEN,
> > +		1, 0),
> > +	SOC_SINGLE("Digital Interface 0 Bit-clock Switch",
> > +		AB8500_DIGIFCONF1, AB8500_DIGIFCONF1_ENFSBITCLK0,
> > +		1, 0),
> > +	SOC_SINGLE("Digital Interface 1 Bit-clock Switch",
> > +		AB8500_DIGIFCONF1, AB8500_DIGIFCONF1_ENFSBITCLK1,
> > +		1, 0),
> 
> ...this is all stuff that is normally figured out automatically by the
> drivers, we know when the audio interface is in use and hence when it
> needs to be clocked.

It makes sense, I'll poke the documentation I have and try to figure out
how to control those bits from a more appropriate place.

Thanks,
Fabio

-- 
Fabio Baltieri
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