On 15.04.2021 19:17, Mark Brown wrote: > On Wed, Apr 14, 2021 at 02:58:10PM +0000, Codrin.Ciubotariu@xxxxxxxxxxxxx wrote: > >> How about using a different API for ASoC only, since that's the place of >> DPCM. Only drivers that do not involve DSPs would have to to be changed >> to call the new snd_pcm_hw_rule_add() variant. >> Another solution would be to have a different snd_soc_pcm_runtime for BE >> interfaces (with a new hw_constraints member of course). What do you think? > > I'm really not convinced we want to continue to pile stuff on top of > DPCM, it is just fundamentally not up to modelling what modern systems > are able to do - it's already making things more fragile than they > should be and more special cases seems like it's going to end up making > that worse. That said I've not seen the code but... > Are there any plans for refactoring DPCM? any ideas ongoing? I also have some changes for PCM dmaengine, in the same 'style', similar to what I sent some time ago... I can adjust to different ideas, if there are any, but, for a start, can anyone confirm that the problem I am trying to fix is real? Best regards, Codrin
