Assign the proper PCM digital I/O type (HDA_PCM_TYPE_*) for the digital
I/O on STAC/IDT codecs.  HDA_PCM_TYPE_HDMI is assigned for the HDMI I/O.
A similar framework is implemented to patch_realtek.c, but it's not
set up and still using only HDA_PCM_TYPE_SPDIF yet.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
                                         * dig_out_nid and hp_nid are optional
                                         */
        hda_nid_t alt_dac_nid;
+       int dig_out_type;
 
        /* capture */
        unsigned int num_adc_nids;
                codec->num_pcms = 2;
                info = spec->pcm_rec + 1;
                info->name = spec->stream_name_digital;
-               info->pcm_type = HDA_PCM_TYPE_SPDIF;
+               if (spec->dig_out_type)
+                       info->pcm_type = spec->dig_out_type;
+               else
+                       info->pcm_type = HDA_PCM_TYPE_SPDIF;
                if (spec->multiout.dig_out_nid &&
                    spec->stream_digital_playback) {
                        info->stream[SNDRV_PCM_STREAM_PLAYBACK] = *(spec->stream_digital_playback);
 
                codec->num_pcms++;
                info++;
                info->name = "STAC92xx Digital";
-               info->pcm_type = HDA_PCM_TYPE_SPDIF;
+               info->pcm_type = spec->autocfg.dig_out_type;
                if (spec->multiout.dig_out_nid) {
                        info->stream[SNDRV_PCM_STREAM_PLAYBACK] = stac92xx_pcm_digital_playback;
                        info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->multiout.dig_out_nid;