[alsa-devel] Question about DPCM FE vs BE

[Pierre-Louis Bossart]

>> It is my understanding that the current code would not support a case
>> where a FE is also a BE.
>>
>> That said, do we want to preclude it? at some point we probably want
>> to get rid of the FE/BE distinction and have 'domains' that can be
>> chained. So it may not be a good thing to cast a restriction in
>> stone. If at some point we need a list of upstream/downstream clients
>> maybe we should keep this.
> 
> Yeah, "domains" is nice idea !!
> 
> But, before that, I think we need to cleanup soc-pcm.
> I'm reading it, but it is too much complex, and too unreadable...
> I want to cleanup it first. I believe it can help
> the conversion (= FE/BE to domains).

The idea of domains/constraint propagation is not mine BTW, it was 
presented by Lars some 2-3 years ago. there may be a note somewhere in 
the audio miniconference minutes.