More Generic Audio Graph Sound Card idea

[Kuninori Morimoto]

Hi Daniel

Thank you for your feedback

> > Because of it, the connection judgement for normal vs DPCM is tricky.
> > I know Pierre-Louis want to use it for SOF, but something is missing,
> > thus, can't use (?).
(snip)
> Thanks for having a look at this. I also tried to use generic machine
> driver (simple-card)
> with SOF but I had some trouble creating desired DPCM links.
> 
> Main limitation of simple-card is that there is no direct way of
> specifying DPCM links.
> 
> I had an attempt to introduce a more flexible approach for that here:
> https://lkml.org/lkml/2019/10/13/123
> 
> but obviously we can do better than that.
> 
> For now, I'm using only normal links with simple-audio card and it
> works fine for
> me with SOF, but in the future I think we might need to expand that.

OK, the issue is also normal vs DPCM judgement.
Maybe having "dsp" can solve it, same as audio-graph-card ?
I'm not sure we need to update simple-audio, too > Mark ?

Thank you for your help !!

Best regards
---
Kuninori Morimoto