1 files changed, 5 insertions, 0 deletions

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index f6a9a5dd9b74..df927be176af 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -2708,6 +2708,10 @@ int snd_hda_parse_pin_def_config(struct hda_codec *codec,
                 case AC_JACK_LINE_OUT:
                         seq = get_defcfg_sequence(def_conf);
                         assoc = get_defcfg_association(def_conf);
+
+                        if (!(wid_caps & AC_WCAP_STEREO))
+                                if (!cfg->mono_out_pin)
+                                        cfg->mono_out_pin = nid;
                         if (!assoc)
                                 continue;
                         if (!assoc_line_out)
@@ -2856,6 +2860,7 @@ int snd_hda_parse_pin_def_config(struct hda_codec *codec,
                    cfg->hp_outs, cfg->hp_pins[0],
                    cfg->hp_pins[1], cfg->hp_pins[2],
                    cfg->hp_pins[3], cfg->hp_pins[4]);
+        snd_printd("   mono: mono_out=0x%x\n", cfg->mono_out_pin);
         snd_printd("   inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
                    " cd=0x%x, aux=0x%x\n",
                    cfg->input_pins[AUTO_PIN_MIC],