ALSA: hda - Fix DAC filling for multi-connection pins in Realtek parser

Fix a regression in the DAC filling code in patch_realtek.c.  The already
filled DACs in multiout.dac_nids[] were ignored because of num_dacs=0,
thus always pointed to the first DAC.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 52ce075..569d2aa 100644 (file)
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2801,7 +2801,8 @@ static int alc_auto_fill_dac_nids(struct hda_codec *codec)
        int i;
 
  again:
-       spec->multiout.num_dacs = 0;
+       /* set num_dacs once to full for alc_auto_look_for_dac() */
+       spec->multiout.num_dacs = cfg->line_outs;
        spec->multiout.hp_nid = 0;
        spec->multiout.extra_out_nid[0] = 0;
        memset(spec->private_dac_nids, 0, sizeof(spec->private_dac_nids));
@@ -2834,6 +2835,8 @@ static int alc_auto_fill_dac_nids(struct hda_codec *codec)
                }
        }
 
+       /* re-count num_dacs and squash invalid entries */
+       spec->multiout.num_dacs = 0;
        for (i = 0; i < cfg->line_outs; i++) {
                if (spec->private_dac_nids[i])
                        spec->multiout.num_dacs++;