[alsa-devel] Issue with onboard sound on Toshiba A110-225

[Takashi Iwai]

At Mon, 13 Oct 2008 04:59:58 +1000,
Travis Place wrote:
> 
> Hey all,
> 
> When working out an issue for a person in #alsa, i found that the onboard 
> sound in their laptop (A110-225) has the Subsystem IDs 1179:ff01 . The card 
> has an ALC861 codec.. the issue (non-fatal thankfully) is that the above 
> mentioned Subsystem IDs match in patch_realtek.c to 'dallas' which is for an 
> ALC861VD codec..
> 
> 	SND_PCI_QUIRK(0x1179, 0xff01, "DALLAS", ALC861VD_DALLAS),
> 
> The user was getting the non-fatal:
> 	
> 	hda_codec: Unknown model for ALC861, trying auto-probe from BIOS...
> 
> in dmesg..

Note that this is *NO* error or warning at all.  This is nothing but a
info.  Ideally, all hardwares should be handled in that way.  Only
hardwares that don't work with auto-probe should have the preset.

> I had the user force the 'toshiba' model (which is valid for ALC861) and the 
> warning went away, and sound continues to work as it should..
> 
> Just wanted to make sure this problem (even though non-fatal) is documented, 
> and we are aware of it. Perhaps this laptop, and the 'Dallas' need to be 
> matched on some other level.

ALC861 and ALC861VD are different codes, so they have independent
preset tables.  Maybe that's why.


Takashi