[alsa-devel] [PATCH 1/4] ASoC: wm9713: add binding for WM9713 codec

[Mark Brown]

On Sat, Feb 20, 2016 at 09:32:58PM +0100, Robert Jarzmik wrote:
> Mark Brown <broonie at kernel.org> writes:
> > On Sat, Feb 20, 2016 at 07:22:04PM +0100, Robert Jarzmik wrote:

Please fix your mail client to word wrap within paragraphs at something
substantially less than 80 columns.  Doing this makes your messages much
easier to read and reply to.

> > There is a generic AC'97 PXA driver in sound/arm, if your system can use that
> > that'd be a better route to DT integration for it I think.
> I'm open on the topic.

> Historically, I use sound/soc/pxa/pxa2xx-ac97.c since 2008. I know it works, but
> if you think I should examine sound/arm/pxa2xx-ac97.c, let's do that.
> 
> > Did you try that, if there are problems with that perhaps we can improve that
> > driver, it should be simpler.

> I will. By now I fail to see how this will help in the wm9713 probing and
> detection ...

It will eumerate the AC'97 bus by itself and does not need the CODEC to
be described.

> Until I make the try, here is what I have as a device-tree extract in [1], which
> is my candidate for sound/soc/pxa/zylonite.c replacement.. If we conclude that
> wm9713 shouldn't be in device-tree, then I'm curious how the DAI bindings
> (simple-audio-card,dai-link*) should be handled.

They should be created as a function of enumerating the CODEC.  If you
use the genric AC'97 stuff it doesn't use ASoC at all and this happens
as a side effect.
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