1 files changed, 12 insertions, 4 deletions

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 06199e4e930f..e2afd53cc14c 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4190,11 +4190,18 @@ static void alc_shutup_dell_xps13(struct hda_codec *codec)
 static void alc_fixup_dell_xps13(struct hda_codec *codec,
                                 const struct hda_fixup *fix, int action)
 {
-        if (action == HDA_FIXUP_ACT_PROBE) {
-                struct alc_spec *spec = codec->spec;
-                struct hda_input_mux *imux = &spec->gen.input_mux;
-                int i;
+        struct alc_spec *spec = codec->spec;
+        struct hda_input_mux *imux = &spec->gen.input_mux;
+        int i;
 
+        switch (action) {
+        case HDA_FIXUP_ACT_PRE_PROBE:
+                /* mic pin 0x19 must be initialized with Vref Hi-Z, otherwise
+                 * it causes a click noise at start up
+                 */
+                snd_hda_codec_set_pin_target(codec, 0x19, PIN_VREFHIZ);
+                break;
+        case HDA_FIXUP_ACT_PROBE:
                 spec->shutup = alc_shutup_dell_xps13;
 
                 /* Make the internal mic the default input source. */
@@ -4204,6 +4211,7 @@ static void alc_fixup_dell_xps13(struct hda_codec *codec,
                                 break;
                         }
                 }
+                break;
         }
 }