.num_reg_defaults = ARRAY_SIZE(wm8993_reg_defaults),
};
-static struct snd_soc_codec_driver soc_codec_dev_wm8993 = {
+static const struct snd_soc_codec_driver soc_codec_dev_wm8993 = {
.probe = wm8993_probe,
.suspend = wm8993_suspend,
.resume = wm8993_resume,