snd-aoa status update / automatic driver loading

[Benjamin Herrenschmidt]

> /var/log/boot.2.gz:Wed May 17 16:14:04 2006: ^[[9;0]^[[14;0]Setting up
> ALSA...warning: 'alsactl restore' failed with error message 'alsactl:
> set_control:894: warning: name mismatch (Line-out Switch/Headphone
> Switch) for control #2
> 
> /var/log/boot.2.gz:Wed May 17 16:14:05 2006: alsactl: set_control:896:
> warning: index mismatch (0/0) for control #2
> 
> /var/log/boot.2.gz:Wed May 17 16:14:05 2006: alsactl: set_control:894:
> warning: name mismatch (Master Playback Volume/Capture Source) for
> control #3
> 
> /var/log/boot.2.gz:Wed May 17 16:14:05 2006: alsactl: set_control:896:
> warning: index mismatch (0/0) for control #3

That's Alsa being stupid. It stores the values of the control by number
and screws up when the driver is updated and adds/removes controls.
Storing the settings with the new driver should cure that