#define RT5663_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
-static struct snd_soc_dai_ops rt5663_aif_dai_ops = {
+static const struct snd_soc_dai_ops rt5663_aif_dai_ops = {
.hw_params = rt5663_hw_params,
.set_fmt = rt5663_set_dai_fmt,
.set_sysclk = rt5663_set_dai_sysclk,
},
};
-static struct snd_soc_codec_driver soc_codec_dev_rt5663 = {
+static const struct snd_soc_codec_driver soc_codec_dev_rt5663 = {
.probe = rt5663_probe,
.remove = rt5663_remove,
.suspend = rt5663_suspend,