Yuri,
We have had good luck with ARM audio under this setup. We did write our
own AIC23 drivers which we used directly from our application. We used
a device entry (/dev/aic23) that hooked in our driver. We were able to
open those in any application and play/record or both. The only
possible problem was if we tried to do things like "cat file.pcm >
/dev/aic23". Although this would work, some cases would not work due to
those applications buffering schemes. For example, this was bad: "cat
/dev/aic23 > /dev/aic23". It would work, but would be choppy.
How are you playing audio?
Steve
Yuri Jaeger Monti wrote:
Hi fellows,
I tried everything I could to solve the buffer underrun error's while
playing some audio in the OSK5912 with the AIC23, and I don't know
what should I do anymore.
I'm trying to simply output and audio file via the ARM, I think this
should be ok but the audio is always choppy.
Am I doing something wrong? Or perhaps should I use only the DSP
processor to play the audio? (didn't tried this yet because I need the
DSP to do other tasks).
Cheers
---
Yuri Jaeger Monti
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