From mboxrd@z Thu Jan  1 00:00:00 1970
From: Clemens Ladisch <clemens@ladisch.de>
Subject: Re: unable to do simultaneous playback and recording
Date: Thu, 20 Aug 2009 08:49:19 +0200
Message-ID: <4A8CF1EF.2000204@ladisch.de>
References: <909731.61887.qm@web94704.mail.in2.yahoo.com>
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To: prashant chopade <prashantchopade@yahoo.com>
Cc: Takashi Iwai <tiwai@suse.de>, alsa-devel@alsa-project.org
List-Id: alsa-devel@alsa-project.org

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,
Clemens