diff --git a/sound/soc/codecs/sirf-audio-codec.c b/sound/soc/codecs/sirf-audio-codec.c
index 29cb44256044..6bfd25c289d1 100644
--- a/sound/soc/codecs/sirf-audio-codec.c
+++ b/sound/soc/codecs/sirf-audio-codec.c
@@ -370,11 +370,11 @@ static int sirf_audio_codec_trigger(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-struct snd_soc_dai_ops sirf_audio_codec_dai_ops = {
+static const struct snd_soc_dai_ops sirf_audio_codec_dai_ops = {
 	.trigger = sirf_audio_codec_trigger,
 };
 
-struct snd_soc_dai_driver sirf_audio_codec_dai = {
+static struct snd_soc_dai_driver sirf_audio_codec_dai = {
 	.name = "sirf-audio-codec",
 	.playback = {
 		.stream_name = "Playback",