[alsa-devel] [PATCH 1/1] ALSA: hda - bug fix for invalid connection list of more Haswell HDMI codec pins

Takashi Iwai tiwai at suse.de
Tue Dec 18 09:11:51 CET 2012


At Tue, 18 Dec 2012 08:09:12 +0000,
Lin, Mengdong wrote:
> 
> > -----Original Message-----
> > From: Takashi Iwai [mailto:tiwai at suse.de]
> > Sent: Tuesday, December 18, 2012 3:46 PM
> 
> 
> > > Will OEM change the PCI (or codec) SSID so that this fixup will not be
> > applied at all?
> > >
> > > In Haswell, there are two HD-A controllers: one for display codec and the
> > other for legacy 3rd-party codec.
> > > I'm not sure if OEM will change the PCI SSID of the display HD-A controller.
> > 
> > Of course, they'll change SSIDs.
> > 
> 
> Thanks for your info, Takashi!
> You're right. PCI spec allow these registers in configuration space to be changed.
> 
> So snd_hda_pick_fixup/snd_hda_apply_fixup is designed for fixing board or BIOS-specific issues, right?

Yes.

> I'll update the patch as you suggested.

OK, thanks!


Takashi


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