[alsa-devel] [3.6.9 -> 3.7.1 regression] sound: snd_hda_intel codec probing issue?

[Takashi Iwai]

At Tue, 08 Jan 2013 09:23:14 +0100,
Maurizio Avogadro wrote:
> 
> Takashi Iwai <tiwai <at> suse.de> writes:
> 
> > [...]
> >
> > If it's new in 3.7, this could be a regression by runtime D3.
> > Try to pass power_save_controller=0 option to snd-hda-intel module
> > (or change it via sysfs dynamically).
> >
> > thanks,
> >
> > Takashi
> 
> Hi Takashi
> 
> same codec here (ALC269VB on a Clevo W150HRM), same kernel, same issue.
> Disabling power_save_controller solves the issue, but I could achieve
> the same result by setting enable_msi=0, which I chose in the hope to
> preserve power saving capabilities.

Interesting.  Vincent, does disabling MSI help in your case, too?

BTW, the problem is related rather with the controller chip, not the
codec chip.  In Vincent's case, it's 8086:1e20,
  Intel Corporation 7 Series/C210 Series Chipset Family High
  Definition Audio Controller (rev 04)


thanks,

Takashi