[alsa-devel] Questions about alsa driver for i.Mx27 + wm8974: playback time shorter than the original record time

[Randolph Chung]

>
> Yes, it seems to be this reason that causes problem.
> When I playback a stereo wav file(8kHz,16bit, stereo), everything goes
> well.But when trying to playback a mono wav (8kHz,16bit, mono)file,
> problem stills exist.
>
> What's the possible reason for incorrect handling of mono file?
> How to solve it so I can playback mono file correctly?

The imx-ssi driver does not support mono-channel playback. I've also
looked at this a bit but couldn't quite figure it out. Maybe Sasha
(cc'ed) can give some pointers?

randolph