diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c
index 4bbf1b1..482fcdb 100644
--- a/sound/soc/codecs/twl6040.c
+++ b/sound/soc/codecs/twl6040.c
@@ -724,8 +724,8 @@
 	return 0;
 }
 
-void twl6040_hs_jack_report(struct snd_soc_codec *codec,
-				struct snd_soc_jack *jack, int report)
+static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
+				   struct snd_soc_jack *jack, int report)
 {
 	struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 	int status;