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] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/877560 Title: Audio codec draining power when not in use To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/877560/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
