diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c
index a67c92032e11..d0fb04ae372c 100644
--- a/sound/soc/codecs/hdmi-codec.c
+++ b/sound/soc/codecs/hdmi-codec.c
@@ -726,7 +726,7 @@ static const struct snd_soc_dai_ops hdmi_codec_spdif_dai_ops = {
 			 SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE |\
 			 SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE)
 
-struct snd_kcontrol_new hdmi_codec_controls[] = {
+static struct snd_kcontrol_new hdmi_codec_controls[] = {
 	{
 		.access = SNDRV_CTL_ELEM_ACCESS_READ,
 		.iface = SNDRV_CTL_ELEM_IFACE_PCM,