[ALSA] hda: Added mono_out_pin to autoconfig

Added a mono_out_pin field to autocfg struct, and code to parse
for the mono_out_line.

Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index 448c4ce..8a96047d 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -332,6 +332,7 @@
 	hda_nid_t input_pins[AUTO_PIN_LAST];
 	hda_nid_t dig_out_pin;
 	hda_nid_t dig_in_pin;
+	hda_nid_t mono_out_pin;
 };
 
 #define get_defcfg_connect(cfg) \