diff --git a/sound/soc/codecs/wm8974.c b/sound/soc/codecs/wm8974.c
index 7bd35b8..16569c7 100644
--- a/sound/soc/codecs/wm8974.c
+++ b/sound/soc/codecs/wm8974.c
@@ -557,7 +557,7 @@
 #define WM8974_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
 	SNDRV_PCM_FMTBIT_S24_LE)
 
-static struct snd_soc_dai_ops wm8974_ops = {
+static const struct snd_soc_dai_ops wm8974_ops = {
 	.hw_params = wm8974_pcm_hw_params,
 	.digital_mute = wm8974_mute,
 	.set_fmt = wm8974_set_dai_fmt,