On Thu, Apr 15, 2021 at 04:56:00PM +0000, Codrin.Ciubotariu@xxxxxxxxxxxxx wrote: > 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? Lars-Peter's presentation from ELC in 2016 (!) is probably the clearest summary of the ideas: https://elinux.org/images/e/e7/Audio_on_Linux.pdf https://youtu.be/6oQF2TzCYtQ Essentially the idea is to represent everything, including the DSPs, as ASoC components and be able to represent the digital links between components in the DAPM graph in the same way we currently represent analogue links. This means we need a way to propagate digital configuration along the DAPM graph (or a parallel, cross linked digital one). Sadly I'm not really aware of anyone actively working on the actual conversion at the minute, Morimoto-san has done a lot of great preparatory work to make everything a component which makes the whole thing more tractable.
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