[alsa-devel] No sound on Quanta KN1 with kernel 3.4

Takashi Iwai tiwai at suse.de
Mon Apr 16 21:25:01 CEST 2012

At Mon, 16 Apr 2012 19:56:09 +0200,
Uros Vampl wrote:
> On 16.04.12 16:07, Takashi Iwai wrote:
> > Could you try the patch below?
> > 
> > Also, which output is missing?  Is it a speaker output or a line-out
> > jack?  Basically it's a bug of BIOS that doesn't give the proper
> > association number for the corresponding pin 0x0f.  The patch is just
> > to make less restrictive.
> > 
> > But, if it's a laptop, the corresponding pin is likely a speaker
> > output, so it'd be better to fix the pin-default value itself via
> > pinfix table.
> It's a laptop. There's no sound, not from internal speakers, not from 
> headphone out. There is a mild crackling sound when the module is 
> loaded, but that's it. The patch does not change things.

OK, I'll send another patch tomorrow.  But the previous patch should
work, still.  Make sure that you adjusted and unmuted the mixer
elements after applying the patch.  There should be some new mixer

If it still doesn't work after the mixer adjustment, give alsa-info.sh
output again.


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