[alsa-devel] [PATCH] ARM: pxa: add support for Raumfeld DDX

Mark Brown broonie at opensource.wolfsonmicro.com
Wed Nov 16 15:11:30 CET 2011

On Wed, Nov 16, 2011 at 03:06:46PM +0100, Daniel Mack wrote:
> On 11/16/2011 02:19 PM, Mark Brown wrote:

> > What I'd expect here is that the arch/arm code would register a
> > different platform device depending on which board it's running on
> > (though actually controlling I2C device registration is enough as ASoC
> > won't probe the sound driver until the components appear).

> Ok, I can do this. However, the two driver will share some logic wrt
> GPIO lines that put the codecs into reset. But ok, we can live with that
> I guess, as it in fact makes the driver smaller and easier to read.

Hrm, I'd expect that that logic would be in the CODEC drivers - they
really do need to know that their registers went away.

> > Look at the snd_soc_dai_link definition, and things like speyside.

> Sorry, I still don't get it. All implementations I can find call
> snd_soc_dai_set_fmt() for the cpu and codec dais from the
> .ops->hw_params function they reference from their snd_soc_dai_links.
> Just like this new code does as well. What am I missing?

Are you *sure* you're looking at current code?  The dai_fmt field isn't
that obscurely named...

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