[snd_hda] no more sound on 9-STABLE

[Patrick Lamaiziere]

Hello,

ON 9STABLE, with the recent changes on snd_hda (HDA Driver
Revision:20120126_0002), sound does not work anymore here.

That works fine with a kernel from February 14 (HDA Driver Revision:
20100226_0142).

I've made a diff on a verbose dmesg.boot between those versions
(dmesg.bootok is the one that works). You will find it here:
http://user.lamaiziere.net/patrick/public/diff_boot_hda.txt

Looks like hda does not take care about the quirks added
in /boot/device.hints (needed to make it works)

hint.hdac.0.config="gpio0 ovref"
hint.hdac.0.cad0.nid21.config="as=4 seq=15"

In 20100226_0142 I see 
hdac0: FG config/quirks: gpio0 forcestereo ivref50 ivref80 ivref100
ovref50 ovref80 ovref100 ivref ovref vref

On 20120126_0002:
hdaa0: FG config/quirks: forcestereo ivref50 ivref80 ivref100 ivref

So, are there some changes about HDA quirks? 
Thanks, regards.

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