acer revo: no sound

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Hi folks,

I tried Linux 2.6.29.1 on an Acer Aspire Revo. Problem: By default
there is no sound at all, neither via the hdmi connection, nor on
the headphone. In dmesg I found this:

[   20.375073] HDA Intel 0000:00:08.0: PCI INT A -> Link[LAZA] -> GSI 22 (level, low) -> IRQ 22
[   20.386838] HDA Intel 0000:00:08.0: setting latency timer to 64
[   20.647038] hda_codec: Unknown model for ALC662, trying auto-probe from BIOS...

Using "model=something" for snd-hda-intel I figured out that the

	3stack-dig
	3stack-6ch
	3stack-6ch-dig
	6stack-dig

give me sound on the headphone, but not on hdmi.

There are special acer-* models for other chipsets, but not for ALC662.
Do you think it would be possible to add the missing model description
for ALC662? I would be glad to help.


Regards

Harri

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