2.6.29 regression: left audio channel broken after resume fromsuspend with Intel HDA

[Tino Keitel]

Hi,

since 2.6.29 and also with 2.6.29.1 the left audio channel of the
digital output of my Mac mini Core 2 Duo is noisy.  This didn't happen
with 2.6.28.  Unloading snd-hda-intel and reloading it does fix the
noisy sound.

This happened with some older versions of the Linux kernel (with an
older Mac mini Core Duo, I don't remeber which kernel version), but got
fixed at some point.  Now it happens again with 2.6.29.

Here is the dmesg output for the sound hardware:

HDA Intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22
HDA Intel 0000:00:1b.0: setting latency timer to 64
hda_codec: STAC922x, Apple subsys_id=100
input: HDA Intel Line In at Ext Left Jack as /class/input/input18
input: HDA Intel Mic at Ext Left Jack as /class/input/input19
input: HDA Intel HP Out at Ext Left Jack as /class/input/input20

Any hints what I could try to fix this, maybe some commit that I should
try to revert?

Regards,
Tino
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