ALSA: HDA: patch_analog: Implement multiple outputs for AD1988

Implement the slave_dig_outs for AD1989 cards. Untested due to lack of
hardware.
Signed-off-by: Robin H. Johnson <robbat2@gentoo.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

sound/pci/hda/patch_analog.c

@@ -1826,9 +1826,14 @@ static hda_nid_t ad1988_capsrc_nids[3] = {
 	0x0c, 0x0d, 0x0e
 };
 
-#define AD1988_SPDIF_OUT	0x02
+#define AD1988_SPDIF_OUT		0x02
+#define AD1988_SPDIF_OUT_HDMI	0x0b
 #define AD1988_SPDIF_IN		0x07
 
+static hda_nid_t ad1989b_slave_dig_outs[2] = {
+	AD1988_SPDIF_OUT, AD1988_SPDIF_OUT_HDMI
+};
+
 static struct hda_input_mux ad1988_6stack_capture_source = {
 	.num_items = 5,
 	.items = {
@@ -2143,6 +2148,7 @@ static struct snd_kcontrol_new ad1988_spdif_in_mixers[] = {
 
 static struct snd_kcontrol_new ad1989_spdif_out_mixers[] = {
 	HDA_CODEC_VOLUME("IEC958 Playback Volume", 0x1b, 0x0, HDA_OUTPUT),
+	HDA_CODEC_VOLUME("HDMI Playback Volume", 0x1d, 0x0, HDA_OUTPUT),
 	{ } /* end */
 };
 
@@ -2985,6 +2991,7 @@ static int patch_ad1988(struct hda_codec *codec)
 				ad1989_spdif_out_mixers;
 			spec->init_verbs[spec->num_init_verbs++] =
 				ad1989_spdif_init_verbs;
+			codec->slave_dig_outs = ad1989b_slave_dig_outs;
 		} else {
 			spec->mixers[spec->num_mixers++] =
 				ad1988_spdif_out_mixers;