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

[Vincent Blut]

Le mardi 08 janvier 2013 à 09:28 +0100, Takashi Iwai a écrit :
> 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)
> 

Hi,

Will test, I'm not on this sistem right now, so I'll report back this
afternoon.

> 
> thanks,
> 
> Takashi

Cheers,
Vincent