[alsa-devel] [PATCH 8/8] ASoC: add snd-soc-dummy DT support

[Mark Brown]

On Mon, Aug 25, 2014 at 05:04:20PM -0700, Kuninori Morimoto wrote:

> > That's something we need to fix, but I don't think removing the stream names 
> > is the right way to do this. In a multi CODEC environment you'll quite 
> > likely end up with widgets of the same name. Ideally a route endpoint would 
> > be expressed by a tuple of DT node and pin name. But I don't think it is 
> > possible to mix integer and string elements in a property.

It's not.  Now that we have preprocessor support it's a lot easier to
just use numbers though - the legibility problems from just using raw
numbers in big tables don't apply so much any more.

> Thank you for your advice.
> "DT node and name" seems nice idea, but it works on DT case only ?
> Anyway, I re-consider about this too.
> It can be trial and error...

I think that for hardware which has fairly monolithic audio blocks using
DPCM it might be worth thinking about providing a way for the DT to look
like the DT for a simple I2S DAI with the driver for the IP in the SoC
filling in all the structure needed by DPCM.
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