[ALSA] virtuoso: add GPIO 1 mixer control

Add a mixer control for switching whatever it is that is connected to
GPIO pin 1 on the Xonar DX.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Clemens Ladisch 2008-04-11 10:24:48 +02:00 • committed by Takashi Iwai
commit 387fb6a206