[ALSA] Add VT1617A codec support

AC97 Codec
Added (minimal) support of VT1617A codec with SPDIF.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/ac97/ac97_patch.h b/sound/pci/ac97/ac97_patch.h
index 7b7377d..ec18113 100644
--- a/sound/pci/ac97/ac97_patch.h
+++ b/sound/pci/ac97/ac97_patch.h
@@ -56,5 +56,6 @@
 int patch_cm9761(ac97_t * ac97);
 int patch_cm9780(ac97_t * ac97);
 int patch_vt1616(ac97_t * ac97);
+int patch_vt1617a(ac97_t * ac97);
 int patch_it2646(ac97_t * ac97);
 int mpatch_si3036(ac97_t * ac97);