Hi Thomas,
This patch adds the SPDIF pin as slave digital out which I hope to
create concurrent HDMI/SPDIF outputs for you.
It's against today's sound-2.6 git tree.
Thanks,
Fengguang
---
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index 6f2fe0f..c9262f0 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -227,6 +227,7 @@ struct hda_multi_out {
hda_nid_t hp_nid; /* optional DAC for HP, 0 when not exists */
hda_nid_t extra_out_nid[3]; /* optional DACs, 0 when not exists */
hda_nid_t dig_out_nid; /* digital out audio widget */
+ hda_nid_t *slave_dig_outs;
int max_channels; /* currently supported analog channels */
int dig_out_used; /* current usage of digital out (HDA_DIG_XXX) */
int no_share_stream; /* don't share a stream with multiple pins */
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 0bd4e6b..08bedee 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -336,6 +336,7 @@ struct alc_config_preset {
hda_nid_t *dac_nids;
hda_nid_t dig_out_nid; /* optional */
hda_nid_t hp_nid; /* optional */
+ hda_nid_t *slave_dig_outs;
unsigned int num_adc_nids;
hda_nid_t *adc_nids;
hda_nid_t *capsrc_nids;
@@ -810,6 +811,7 @@ static void setup_preset(struct alc_spec *spec,
spec->multiout.num_dacs = preset->num_dacs;
spec->multiout.dac_nids = preset->dac_nids;
spec->multiout.dig_out_nid = preset->dig_out_nid;
+ spec->multiout.slave_dig_outs = preset->slave_dig_outs;
spec->multiout.hp_nid = preset->hp_nid;
spec->num_mux_defs = preset->num_mux_defs;
@@ -3085,6 +3087,7 @@ static int alc_build_pcms(struct hda_codec *codec)
/* SPDIF for stream index #1 */
if (spec->multiout.dig_out_nid || spec->dig_in_nid) {
codec->num_pcms = 2;
+ codec->slave_dig_outs = spec->multiout.slave_dig_outs;
info = spec->pcm_rec + 1;
info->name = spec->stream_name_digital;
info->pcm_type = HDA_PCM_TYPE_SPDIF;
@@ -8865,6 +8868,7 @@ static struct alc_config_preset alc883_presets[] = {
.dac_nids = alc883_dac_nids,
.dig_out_nid = ALC1200_DIGOUT_NID,
.dig_in_nid = ALC883_DIGIN_NID,
+ .slave_dig_outs = { ALC883_DIGOUT_NID, 0 },
.num_channel_mode = ARRAY_SIZE(alc883_sixstack_modes),
.channel_mode = alc883_sixstack_modes,
.input_mux = &alc883_capture_source,
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