diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 201d4f55b6c2..e625eee03c9d 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -7515,6 +7515,7 @@ enum {
 	ALC662_FIXUP_ASUS_Nx50,
 	ALC668_FIXUP_ASUS_Nx51_HEADSET_MODE,
 	ALC668_FIXUP_ASUS_Nx51,
+	ALC668_FIXUP_MIC_COEF,
 	ALC668_FIXUP_ASUS_G751,
 	ALC891_FIXUP_HEADSET_MODE,
 	ALC891_FIXUP_DELL_MIC_NO_PRESENCE,
@@ -7785,7 +7786,7 @@ static const struct hda_fixup alc662_fixups[] = {
 		.chained = true,
 		.chain_id = ALC668_FIXUP_ASUS_Nx51_HEADSET_MODE,
 	},
-	[ALC668_FIXUP_ASUS_G751] = {
+	[ALC668_FIXUP_MIC_COEF] = {
 		.type = HDA_FIXUP_VERBS,
 		.v.verbs = (const struct hda_verb[]) {
 			{ 0x20, AC_VERB_SET_COEF_INDEX, 0xc3 },
@@ -7793,6 +7794,15 @@ static const struct hda_fixup alc662_fixups[] = {
 			{}
 		},
 	},
+	[ALC668_FIXUP_ASUS_G751] = {
+		.type = HDA_FIXUP_PINS,
+		.v.pins = (const struct hda_pintbl[]) {
+			{ 0x16, 0x0421101f }, /* HP */
+			{}
+		},
+		.chained = true,
+		.chain_id = ALC668_FIXUP_MIC_COEF
+	},
 	[ALC891_FIXUP_HEADSET_MODE] = {
 		.type = HDA_FIXUP_FUNC,
 		.v.func = alc_fixup_headset_mode,