- added drivers for Digigram VXPocket V2, VXPocket 440 (pcmcia)
  - added driver for Digigram VXP220 V2/Mic (PCI)
  - added driver Harmony chipset (parisc)
  - added OPL4 driver
  - code cleanups - removed 2.2 and 2.4 code
  - nm256 driver - added Dell Latitude LS workaround
  - ac97 driver - fixes in intialization
  - usb audio driver - strlcat() fixes