Re: [PATCH 001/001] PCI: PCI quirk for Asus A8V and A8V Deluxe motherboards

[Måns Rullgård]

Andras Mantia <amantia@xxxxxxx> writes:

>>> Anyway, my suggestion remains, that the
>>> +       if (dev->subsystem_vendor != PCI_VENDOR_ID_ASUSTEK)
>>> +               return;
>>> +       if (dev->device != PCI_DEVICE_ID_VIA_8237)
>>> +               return;
>>>
>>> might be not needed at all as it is not ASUS specific.
>> 
>> Doesn't it depend on the BIOS?  My BIOS lets me choose between
>> "automatic" and "disabled" for the onboard sound.
>
> I don't see how that setting could change the device ID or the vendor ID. As
> I understood the above code will simply not try to enable the sound device
> if:
> a) the vendor is not ASUSTEK
> b) the device is not ID is not PCI_DEVICE_ID_VIA_8237
>
> For a) it means that an MSI/Epox/whatever board with the same VIA chipset
> and the same problem will not be handled. For b) see my previous comment

It is the BIOS that disables the onboard sound if it detects a PCI
sound card.  Chances are other vendors use different BIOS
configurations that do not automatically disable things.  I don't know
if messing with those bits might do something bad on another board.

-- 
Måns Rullgård
mru@xxxxxxxxxxxxx

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