This is driver for Turtle Beach Multisound cards:
Classic, Fiji and Pinnacle.

Tested pcm playback and recording and MIDI playback
on Multisound Pinnacle.
Signed-off-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>