Bill, thanks for the reply. I am also able to open both arecord and aplay at
same time, but in my software if I try to access the card in playback mode, I am
unable to open it again in capture mode. Was hoping it was going to be
straightforward, but maybe there is a catch when trying to open the
As far as I can tell it is just like opening reading and writing at the same
time. For example, I can run arecord and aplay on the same card at the same
time without doing anything special ( this may of course depend on the card--
if the card cannot support duplex, nothing you do will work).
So as
Hello to all,
I am in the midst of attempting duplex audio (capture and playback) on an Atmel
9260 board with a dumb codec attached, Linux-2.6.28.8. I must first state that
I am completely new to ALSA and audio development in general, let alone on an
embedded level, but have learned a great deal
