HDA Intel/AD1986A: regressions with Linux 3.12 on Lenovo 3000 N100

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Hello,

I encounter several sound regressions on Lenovo 3000 N100 with the
latest Linux kernel 3.12:

1) I can hear no sound from the speakers.

2) On the headphones, the output volume is low and when I increase it,
it quickly becomes saturated. It looks like it's no longer amplified. On
alsamixer, there is now an "Auto-Mute" control (boolean). When I enable
it, the saturation disappears but the volume is still quite low (much
more than with Linux <= 3.11).

I'm on Ubuntu 13.10. All was working fine with Linux 3.11. Those issues
have appeared since Linux 3.12-rc1.

The alsa-info output for Linux 3.12: http://pastebin.com/8W27yQxz
The alsa-info output for Linux 3.11: http://pastebin.com/dXJJaNf6

I've seen there has been some changes around the AD1986A quirks for
Linux 3.12, maybe is it related?

By the way, the alsa bug tracker seems te be down for some time. What
happened?

Thank you.

Regards,
David.


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