[ALSA] ac97 - Add virtual master control to VT1616/VT1617A codec.

Enable VMASTER for VT1616 / VT1617A codec.

Signed-off-by: Daniel Jacobowitz <dan@codesourcery.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/drivers/Kconfig b/sound/drivers/Kconfig
index 602b58e..159137b 100644
--- a/sound/drivers/Kconfig
+++ b/sound/drivers/Kconfig
@@ -58,6 +58,7 @@
 	tristate
 	select SND_PCM
 	select AC97_BUS
+	select SND_VMASTER
 
 config SND_DUMMY
 	tristate "Dummy (/dev/null) soundcard"