ALSA: hda - Detect multiple digital-out pins

Detect multiple digital-out pins in snd_hda_parse_pin_defconfig().
The dig_out_pin and dig_out_type fields become arrays.

The codec parser still doesn't use this multiple pins detection, though.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index 6106dfe..d58c32b5 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -2898,7 +2898,7 @@
 
 	spec->multiout.max_channels = spec->multiout.num_dacs * 2;
 
-	if (spec->autocfg.dig_out_pin)
+	if (spec->autocfg.dig_outs)
 		spec->multiout.dig_out_nid = AD1988_SPDIF_OUT;
 	if (spec->autocfg.dig_in_pin)
 		spec->dig_in_nid = AD1988_SPDIF_IN;