Comment 15 for bug 1019693

It affects me too, on a Lenovo D20 workstation. The "automute" workaround doesn't work for me because alsamixer doesn't list an automute option. Details:

[djm@demiurge bt]$ lspci| grep Audio
00:1b.0 Audio device: Intel Corporation 82801JI (ICH10 Family) HD Audio Controller
02:00.1 Audio device: Advanced Micro Devices [AMD] nee ATI RV770 HDMI Audio [Radeon HD 4850/4870]
[djm@demiurge bt]$ hexdump /proc/bus/pci/00/1b.0
0000000 8086 3a3e 0406 0010 0000 0403 0010 0000
0000010 0004 d070 0000 0000 0000 0000 0000 0000
0000020 0000 0000 0000 0000 0000 0000 17aa 1023
0000030 0000 0000 0050 0000 0000 0000 0105 0000
0000040
[djm@demiurge bt]$ uname -a
Linux demiurge 3.2.0-27-generic #43-Ubuntu SMP Fri Jul 6 14:25:57 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

(I'm using the snd_hda_intel card and not the HDMI output)