ALSA: hda - Fix internal mic vref pin setup

Set the vref80 to the internal mic pin 0x12 for Cx5045.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 95e3367..71c4072 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -686,7 +686,7 @@
 
 static struct hda_verb cxt5045_init_verbs[] = {
 	/* Line in, Mic */
-	{0x12, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_IN },
+	{0x12, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_IN|AC_PINCTL_VREF_80 },
 	{0x14, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_IN|AC_PINCTL_VREF_80 },
 	/* HP, Amp  */
 	{0x10, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT},