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

Lin, Mengdong mengdong.lin at intel.com
Tue Dec 18 09:09:12 CET 2012

> -----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?

I'll update the patch as you suggested.


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