[alsa-devel] Invalid PCM pointer with CMI8738 and pcm.c buffer underuns

[andoru]

> Seem cannot read valid value from register within three trials
> 
> state.CMI8738 {
> control.1 {
> 
> [...]
> 
> Seem bug in adding channel map to iec958 instead of analog

What does that mean? What should I do with those patches?
Should I apply them and try to compile the latest ALSA version?

> 
> pcm.!default {
>     type plug
>     slave.pcm "dmixer"
> }
> 
> You need asym plugin for playback and capture when overwrite pcm.default
> 

Should I change my /etc/asound.conf like in the examples here?
http://alsa.opensrc.org/Asym