ICE1712 driver
This patch adds support of the STAC9744 chip located on Aureon cards,
enabling volume control for analogue input channels.
It also adds the posibility of listening to both the analogue inputs
and the digital audio.
Signed-off-by: Peter Christensen <peter@developers.dk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>