int num_dai;
enum snd_soc_compress_type compress_type;
size_t reg_size; /* reg_cache_size * reg_word_size */
+ int (*volatile_register)(struct snd_soc_codec *, unsigned int);
+ int (*readable_register)(struct snd_soc_codec *, unsigned int);
/* runtime */
struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */