single_cmd - Use single immediate commands to communicate with
codecs (for debugging only)
enable_msi - Enable Message Signaled Interrupt (MSI) (default = off)
- power_save - Automatic power-saving timtout (in second, 0 =
+ power_save - Automatic power-saving timeout (in second, 0 =
disable)
power_save_controller - Reset HD-audio controller in power-saving mode
(default = on)