Solved!
I loosely followed a posting at:
http://ptspts.blogspot.com/2009/08/asrock-ion-330-nettop-with-jaunty.html
and created an /etc/asound.conf file with contents:
defaults.pcm.!card NVidia defaults.ctl.!card NVidia defaults.pcm.!device 3 defaults.ctl.!device 3
Now HDMI sound just works.
Solved!
I loosely followed a posting at:
http:// ptspts. blogspot. com/2009/ 08/asrock- ion-330- nettop- with-jaunty. html
and created an /etc/asound.conf file with contents:
defaults.pcm.!card NVidia pcm.!device 3 ctl.!device 3
defaults.ctl.!card NVidia
defaults.
defaults.
Now HDMI sound just works.