[ALSA] hda-codec - Fix max_channels computation for STAC92xx codecs

Modules: HDA Codec driver

Fix max_channels computation for STAC92xx codecs in the case only
HP pin without line-out pins is detected in the default pin config.

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

1 files changed, 7 insertions, 1 deletions

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index d5342d20bd81..f7892a5b7757 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -691,7 +691,13 @@ static int stac92xx_auto_fill_dac_nids(struct hda_codec *codec, const struct aut
                                         AC_VERB_GET_CONNECT_LIST, 0) & 0xff;
         }
 
-        spec->multiout.num_dacs = cfg->line_outs;
+        if (cfg->line_outs)
+                spec->multiout.num_dacs = cfg->line_outs;
+        else if (cfg->hp_pin) {
+                spec->multiout.dac_nids[0] = snd_hda_codec_read(codec, cfg->hp_pin, 0,
+                                        AC_VERB_GET_CONNECT_LIST, 0) & 0xff;
+                spec->multiout.num_dacs = 1;
+        }
 
         return 0;
 }