I have fixed my own issue, by adding

options snd-hda-intel model=basic

to the end of /etc/modprobe.d/alsa-base

Many thanks

Dan




On Wed, 2009-10-28 at 11:18 +0000, Dan wrote:

> afternoon,
> 
> I have just compiled and installed the latest version of ALSA. I have
> a Sony UX1XN micro-laptop and previously, whenever I have installed
> ALSA I have had no sound out of the speakers, but have had sound out
> of the headphones when I connect them. I have previously resolved this
> by un-muting the 'mono' track.
> 
> I open the volume control, select edit>prefs, select 'mono' and then
> unmute.
> 
> This time I have no 'mono' in the list. I get audio through
> headphones, but not through the onboard speaker.
> 
> I compiled: 
> alsa-driver-1.0.21 
> alsa-lib-1.0.21a
> alsa-oss-1.0.17
> alsa-utils-1.0.21
> 
> How do I unmute 'mono' in the latest version of ALSA, or am I being
> really dumb?
> 
> Many thanks in advance.
> 
> Dan 
> 
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