1 files changed, 2 insertions, 0 deletions

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 148734d1613..ff20048504b 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -965,6 +965,8 @@ static void alc_automute_pin(struct hda_codec *codec)
         unsigned int nid = spec->autocfg.hp_pins[0];
         int i;
 
+        if (!nid)
+                return;
         pincap = snd_hda_query_pin_caps(codec, nid);
         if (pincap & AC_PINCAP_TRIG_REQ) /* need trigger? */
                 snd_hda_codec_read(codec, nid, 0, AC_VERB_SET_PIN_SENSE, 0);