1 files changed, 15 insertions, 1 deletions

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 2c5c8ad84783..0b3e7a18ca78 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5441,6 +5441,13 @@ static void alc_fixup_headset_jack(struct hda_codec *codec,
         }
 }
 
+static void alc_fixup_disable_mic_vref(struct hda_codec *codec,
+                                  const struct hda_fixup *fix, int action)
+{
+        if (action == HDA_FIXUP_ACT_PRE_PROBE)
+                snd_hda_codec_set_pin_target(codec, 0x19, PIN_VREFHIZ);
+}
+
 /* for hda_fixup_thinkpad_acpi() */
 #include "thinkpad_helper.c"
 
@@ -5550,6 +5557,7 @@ enum {
         ALC293_FIXUP_LENOVO_SPK_NOISE,
         ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY,
         ALC255_FIXUP_DELL_SPK_NOISE,
+        ALC225_FIXUP_DISABLE_MIC_VREF,
         ALC225_FIXUP_DELL1_MIC_NO_PRESENCE,
         ALC295_FIXUP_DISABLE_DAC3,
         ALC280_FIXUP_HP_HEADSET_MIC,
@@ -6269,6 +6277,12 @@ static const struct hda_fixup alc269_fixups[] = {
                 .chained = true,
                 .chain_id = ALC255_FIXUP_DELL1_MIC_NO_PRESENCE
         },
+        [ALC225_FIXUP_DISABLE_MIC_VREF] = {
+                .type = HDA_FIXUP_FUNC,
+                .v.func = alc_fixup_disable_mic_vref,
+                .chained = true,
+                .chain_id = ALC269_FIXUP_DELL1_MIC_NO_PRESENCE
+        },
         [ALC225_FIXUP_DELL1_MIC_NO_PRESENCE] = {
                 .type = HDA_FIXUP_VERBS,
                 .v.verbs = (const struct hda_verb[]) {
@@ -6278,7 +6292,7 @@ static const struct hda_fixup alc269_fixups[] = {
                         {}
                 },
                 .chained = true,
-                .chain_id = ALC269_FIXUP_DELL1_MIC_NO_PRESENCE
+                .chain_id = ALC225_FIXUP_DISABLE_MIC_VREF
         },
         [ALC280_FIXUP_HP_HEADSET_MIC] = {
                 .type = HDA_FIXUP_FUNC,