1 files changed, 20 insertions, 0 deletions

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index b5e108aa8f63..61996a2f45df 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -4413,6 +4413,24 @@ static void stac92xx_unsol_event(struct hda_codec *codec, unsigned int res)
                 if (spec->num_pwrs > 0)
                         stac92xx_pin_sense(codec, event->nid);
                 stac92xx_report_jack(codec, event->nid);
+
+                switch (codec->subsystem_id) {
+                case 0x103c308f:
+                        if (event->nid == 0xb) {
+                                int pin = AC_PINCTL_IN_EN;
+
+                                if (get_pin_presence(codec, 0xa)
+                                                && get_pin_presence(codec, 0xb))
+                                        pin |= AC_PINCTL_VREF_80;
+                                if (!get_pin_presence(codec, 0xb))
+                                        pin |= AC_PINCTL_VREF_80;
+
+                                /* toggle VREF state based on mic + hp pin
+                                 * status
+                                 */
+                                stac92xx_auto_set_pinctl(codec, 0x0a, pin);
+                        }
+                }
                 break;
         case STAC_VREF_EVENT:
                 data = snd_hda_codec_read(codec, codec->afg, 0,
@@ -4895,6 +4913,7 @@ again:
         switch (codec->vendor_id) {
         case 0x111d7604:
         case 0x111d7605:
+        case 0x111d76d5:
                 if (spec->board_config == STAC_92HD83XXX_PWR_REF)
                         break;
                 spec->num_pwrs = 0;
@@ -5707,6 +5726,7 @@ static struct hda_codec_preset snd_hda_preset_sigmatel[] = {
         { .id = 0x111d7603, .name = "92HD75B3X5", .patch = patch_stac92hd71bxx},
         { .id = 0x111d7604, .name = "92HD83C1X5", .patch = patch_stac92hd83xxx},
         { .id = 0x111d7605, .name = "92HD81B1X5", .patch = patch_stac92hd83xxx},
+        { .id = 0x111d76d5, .name = "92HD81B1C5", .patch = patch_stac92hd83xxx},
         { .id = 0x111d7608, .name = "92HD75B2X5", .patch = patch_stac92hd71bxx},
         { .id = 0x111d7674, .name = "92HD73D1X5", .patch = patch_stac92hd73xx },
         { .id = 0x111d7675, .name = "92HD73C1X5", .patch = patch_stac92hd73xx },