[alsa-devel] Intel HD Audio

[Takashi Iwai]

At Tue, 13 Nov 2007 10:43:43 -0600,
Chris Pemberton wrote:
> 
> Takashi Iwai wrote:
> > At Sun, 11 Nov 2007 19:07:56 -0600,
> > Chris Pemberton wrote:
> >   
> >> I've been trying to fix audio on my Lenovo 3000 N100 laptop for quite 
> >> some time; on this list and via bug #0003468.  I finally got tired of 
> >> the xorg graphics woes and hacking for sound, so I am now "temporarily" 
> >> running Vista. 
> >> I'd like to get this audio fixed permanently, so if you need any details 
> >> from the working Vista drivers, let me know before I get sick of Windows 
> >> and switch back to Linux.
> >>     
> >
> > Well, an over-all experience, what is missing, would be a good input
> > (preferablly with a patch ;)
> >
> >
> > thanks,
> >
> > Takashi
> >
> >   
> The machine is a Lenovo 3000 N100.
> 
> There are two methods I can choose to get sound working partially:
> 
> 1.  Edit patch_realtek.c (near line 10971):
>      from     SND_PCI_QUIRK(0x17aa, 0x2066, "Lenovo", ALC861VD_LENOVO)
>      to         SND_PCI_QUIRK(0x17aa, 0x2066, "Lenovo", ALC861VD_3ST)

Hm, is it still so in the latest HG version?
1.0.14 is fairly old...


> 2.  Use modprobe snd-hda-intel model=3stack
> 
> I guess both methods accomplish the same thing.  I'm not saying I know 
> the reason why this works, but I'd like to help find out why the 
> ALC861VD_LENOVO quirk is not working on my machine.
> 
> Using this hack, I can hear sound from the speakers and headphones, yet 
> headphones do not mute the speakers when pluged in.  I can record from 
> either the built-in or external mic.  Is pluging in an external mic 
> supposed to mute the internal mic?  (It doesn't).
> 
> Here is a pastbin using Kubuntu 7.10 with model=3stack:
> http://pastebin.ca/772177
> 
> Is there any information I could get from Vista to help?  I can dual boot.

You have likely an INF file for this specific model.  This includes
many information for the run-time configuration, which is currently
built-in in the case of linux driver.


Takashi