static struct hda_pcm *snd_soc_find_pcm_from_dai(struct hdac_hda_priv *hda_pvt,
struct snd_soc_dai *dai);
-static struct snd_soc_dai_ops hdac_hda_dai_ops = {
+static const struct snd_soc_dai_ops hdac_hda_dai_ops = {
.startup = hdac_hda_dai_open,
.shutdown = hdac_hda_dai_close,
.prepare = hdac_hda_dai_prepare,