@@ -456,7 +456,7 @@ static int ak4458_startup(struct snd_pcm_substream *substream,
return ret;
}
-static struct snd_soc_dai_ops ak4458_dai_ops = {
+static const struct snd_soc_dai_ops ak4458_dai_ops = {
.startup = ak4458_startup,
.hw_params = ak4458_hw_params,
.set_fmt = ak4458_set_dai_fmt,
@@ -246,7 +246,7 @@ static int ak5558_startup(struct snd_pcm_substream *substream,
&ak5558_rate_constraints);
}
-static struct snd_soc_dai_ops ak5558_dai_ops = {
+static const struct snd_soc_dai_ops ak5558_dai_ops = {
.startup = ak5558_startup,
.hw_params = ak5558_hw_params,
@@ -46,7 +46,7 @@ static int hdac_hda_dai_set_tdm_slot(struct snd_soc_dai *dai,
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,
@@ -378,7 +378,7 @@ static struct snd_soc_component_driver soc_codec_dev_tas6424 = {
.non_legacy_dai_naming = 1,
};
-static struct snd_soc_dai_ops tas6424_speaker_dai_ops = {
+static const struct snd_soc_dai_ops tas6424_speaker_dai_ops = {
.hw_params = tas6424_hw_params,
.set_fmt = tas6424_set_dai_fmt,
.set_tdm_slot = tas6424_set_dai_tdm_slot,