[alsa-devel] Model quirks and duplicate device IDs

Takashi Iwai tiwai at suse.de
Tue Jul 7 08:20:20 CEST 2009

At Mon, 06 Jul 2009 21:56:57 +0300,
Ozan Çağlayan wrote:
> Hi,
> A user reports that toshiba model is working fine with its
> laptop(Subsystem: 152d:0763). I checked the patch_realtek file and saw
> that the exact ID was mapped against ALC268_ACER 2 years ago for ALSA
> issue #3343.
> Both laptops are not-so-popular local brands and checking against 152d
> points to:
> 152d  QUANTA Computer Inc
> according to the pci.ids database.
> So how should we act on those situations seen that we can't match against DMI data(which would possibly be crap on those laptops)?

We can check the codec SSID as well.  If both PCI and codec SSID are
identical, it's very likely that these are same models, but just a
wrong model was chosen, or the model was changed during development
and doesn't match properly any more.


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