On Thu, 2015-04-30 at 21:12 +0100, Mark Brown wrote: > On Wed, Apr 22, 2015 at 11:17:20AM +0800, Koro Chen wrote: > > > If using DPCM, it seems the most suitable FE DAIs will be memif, and > > external interface like I2S should be BE DAIs. Do you think it is > > suitable for our memif to be FE DAIs? Then which memif to used can be > > described in a machine driver's FE DAIs. But I think this has a problem > > that our memif is one-direction, playback or capture. So the binded pcm > > device cannot have playback and capture capability together. May it > > cause trouble for user space apps that assumes there will be pcmC0D0p, > > pcmC0D0c? > > I think the only userspace application you really have to worry about > here is PulseAudio which (at least with UCM) should be able to cope > since it needs to handle things like USB microphones. I think > everything else I can think of can either cope or has to handle the same > use cases as PulseAudio does so should have support. Thank you very much for the feedback, I will try DPCM. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
