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

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Message-ID: <20130430183035.GC26160@sirena.org.uk>
Date:	Tue, 30 Apr 2013 19:30:35 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Fabio Baltieri <fabio.baltieri@...aro.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 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.

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