diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 32938ca8e5e3..ce28f7ce64e6 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -3465,6 +3465,19 @@ static void alc269_fixup_pincfg_no_hp_to_lineout(struct hda_codec *codec,
 		spec->parse_flags = HDA_PINCFG_NO_HP_FIXUP;
 }
 
+static void alc269_fixup_pincfg_U7x7_headset_mic(struct hda_codec *codec,
+						 const struct hda_fixup *fix,
+						 int action)
+{
+	unsigned int cfg_headphone = snd_hda_codec_get_pincfg(codec, 0x21);
+	unsigned int cfg_headset_mic = snd_hda_codec_get_pincfg(codec, 0x19);
+
+	if (cfg_headphone && cfg_headset_mic == 0x411111f0)
+		snd_hda_codec_set_pincfg(codec, 0x19,
+			(cfg_headphone & ~AC_DEFCFG_DEVICE) |
+			(AC_JACK_MIC_IN << AC_DEFCFG_DEVICE_SHIFT));
+}
+
 static void alc269_fixup_hweq(struct hda_codec *codec,
 			       const struct hda_fixup *fix, int action)
 {
@@ -5373,6 +5386,7 @@ enum {
 	ALC269_FIXUP_LIFEBOOK_EXTMIC,
 	ALC269_FIXUP_LIFEBOOK_HP_PIN,
 	ALC269_FIXUP_LIFEBOOK_NO_HP_TO_LINEOUT,
+	ALC255_FIXUP_LIFEBOOK_U7x7_HEADSET_MIC,
 	ALC269_FIXUP_AMIC,
 	ALC269_FIXUP_DMIC,
 	ALC269VB_FIXUP_AMIC,
@@ -5579,6 +5593,10 @@ static const struct hda_fixup alc269_fixups[] = {
 		.type = HDA_FIXUP_FUNC,
 		.v.func = alc269_fixup_pincfg_no_hp_to_lineout,
 	},
+	[ALC255_FIXUP_LIFEBOOK_U7x7_HEADSET_MIC] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = alc269_fixup_pincfg_U7x7_headset_mic,
+	},
 	[ALC269_FIXUP_AMIC] = {
 		.type = HDA_FIXUP_PINS,
 		.v.pins = (const struct hda_pintbl[]) {
@@ -6453,6 +6471,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x10cf, 0x159f, "Lifebook E780", ALC269_FIXUP_LIFEBOOK_NO_HP_TO_LINEOUT),
 	SND_PCI_QUIRK(0x10cf, 0x15dc, "Lifebook T731", ALC269_FIXUP_LIFEBOOK_HP_PIN),
 	SND_PCI_QUIRK(0x10cf, 0x1757, "Lifebook E752", ALC269_FIXUP_LIFEBOOK_HP_PIN),
+	SND_PCI_QUIRK(0x10cf, 0x1629, "Lifebook U7x7", ALC255_FIXUP_LIFEBOOK_U7x7_HEADSET_MIC),
 	SND_PCI_QUIRK(0x10cf, 0x1845, "Lifebook U904", ALC269_FIXUP_LIFEBOOK_EXTMIC),
 	SND_PCI_QUIRK(0x10ec, 0x10f2, "Intel Reference board", ALC700_FIXUP_INTEL_REFERENCE),
 	SND_PCI_QUIRK(0x144d, 0xc109, "Samsung Ativ book 9 (NP900X3G)", ALC269_FIXUP_INV_DMIC),