EMU10K1/EMU10K2 driver
Peter Zubaj <pzad@pobox.sk>:
 - disable routing from AC97 line out to front speakers.
 - AC97 ADC is used only for Mic playback and recording
 - Philips ADC is used for other analog playback and recording
  (Analog Mix Playback Volume, Analog Mix Capture Volume)
 - removes unused AC97 controls (is phone used ???)

Takashi Iwai <tiwai@suse.de>:
 - removed the duplicated IEC958 control on Dell's board.