- Added hotplug support - disconnection of devices
  - usbaudio
    - added hotplug support
    - added support for resolution to ALSA mixer
  - ALI5451
    - added initialization for ALi 7101
  - via82xx
    - added rate initialization for all AC97 streams
  - RME HDSP
    - fixed multiface initialization
  - ICE1712
    - spin-lock cleanups