On Tue, May 19, 2020 at 09:25:31PM -0500, Pierre-Louis Bossart wrote: > So here are the questions: > - when using DPCM, is there an expectation to use dpcm_ flags only? > - should we instead use playback/capture_only when only one of the two dpcm_ > flags is set? > - should we flags errors if we ever encounter cases with e.g. dpcm_playback > = true and capture_only = true? TBH I'm not convinced DPCM is well enough tied together to have clear answers on this. I don't really know what those DPCM level flags are doing. > - do we actually need two sets of definitions? There are very few users of > the .playback_only and .capture_only flags and only a single place where > it's checked in soc-pcm.c We could probably do a driver only thing for the i.MX stuff if we had to.
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