- DEVFS cleanup - removal of compatibility code for 2.2 and 2.4 kernels
  - fixed sgalaxy driver (save_flags/cli/restore_flags removal)
  - USB Audio driver
    - added the missing dev_set_drvdata() for 2.5 API
    - simplified the conexistence of old and new USB APIs
    - don't skip the active capture urbs
    - added the debug print for active capture urbs
    - don't change runtime->rate even if the current rate is not same
    - check the bandwidth for urbs (for tests only, now commented out)