Comment 43 for bug 877560

The workaround from Lauris Smilga works for me (Samsung Series 7 Chronos 700Z3A-S02DE). However I dont find it appreaciate to log-out and log back in to get this fixed. powertop estimates 1.14W usage.

uname -a
Linux ck 3.2.0-26-generic #41-Ubuntu SMP Thu Jun 14 17:49:24 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

lspci -mvknn | grep Audio -B8
Device: 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 [1c2d]
SVendor: Samsung Electronics Co Ltd [144d]
SDevice: Device [c0b3]
Rev: 04
ProgIf: 20
Driver: ehci_hcd

Device: 00:1b.0
Class: Audio device [0403]
Vendor: Intel Corporation [8086]
Device: 6 Series/C200 Series Chipset Family High Definition Audio Controller [1c20]