Ubuntu
alsa-driver package

  1. Bug #1038479
  2. Comment #25

Comment 25 for bug 1038479

Revision history for this message
Raymond (superquad-vortex2) wrote :

https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/Documentation/sound/alsa/ALSA-Configuration.txt

have you changed power_save or power_save_controller setting ?

  power_save - Automatic power-saving timeout (in second, 0 =
  disable)
    power_save_controller - Reset HD-audio controller in power-saving mode
  (default = on)