[alsa-devel] unable to do simultaneous playback and recording

Clemens Ladisch clemens at ladisch.de
Thu Aug 20 08:49:19 CEST 2009

prashant chopade wrote:
> As per discussion, I know that ALSA driver does not have support for
> simultaneous playback and recording.

ALSA _does_ support full duplex, if the hardware and driver support it.

> We are using AD1981B codec, so our hardware has a support for
> simultaneous playback and recording of an audio.

It looks as if your AC'97 controller driver is buggy.

Best regards,

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