> > > I think that interfaces can be enabled in DAI init as Mark suggests, > > Yes, but i worry about whether this reg value can be changed on the > > fly or not. > I believe this needs codec off/on As per TRM, neither OPT_MODE nor sampling rates while affected filter is running can't be change on-the-fly. > > > but input/output should be enabled depending on whether > > > we are doing playback/capture or not, and then they should > > > be handled in the codec driver. > > Hmm, the twl4030 codec can do the voice communication at > > the same time while doing playback/capture, is not it? > I think he means the bits in the OPTION register. > The Option1 code toggles some of the bits in case of 4 channel mode. > Same thing can be done for Option2 voice operation I think. I meant that in option2, we can use I2S DAI and/or PCM DAI, not only PCM/Voice DAI. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel