- AC'97 codec
    - added support/detection for MC'97 (modem codecs)
    - improved/updated register bit constants
    - AD1980 codec ID with patch code
    - added eMicro and Philips UCB1400 codecs
  - PCM Scatter-Gather support
    - added a function snd_pcm_sgbuf_get_addr()
  - rewritten PCI DMA allocation
  - ENS1371 - fixed IEC958 control index when AC'97 codec has S/PDIF capability, too
  - intel8x0
    - don't break when second codec cannot be initialized
  - via82xx
    - improved sg buffer handling
    - added "Input Source Select" control for via8233
    - fixed the registers for via8233
    - fixed the detection of via8233 chip
    - clean up the configuration of bd arrays
  - USB Audio
    - added the missing initialization of curframesize field (fixes capture)