diff --git a/sound/soc/codecs/ad1980.c b/sound/soc/codecs/ad1980.c
index d36bd1c..410ccd5 100644
--- a/sound/soc/codecs/ad1980.c
+++ b/sound/soc/codecs/ad1980.c
@@ -133,7 +133,7 @@
 	return 0;
 }
 
-struct snd_soc_dai_driver ad1980_dai = {
+static struct snd_soc_dai_driver ad1980_dai = {
 	.name = "ad1980-hifi",
 	.ac97_control = 1,
 	.playback = {