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.
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