unsigned int cmd, unsigned int *res);
void snd_hdac_bus_queue_event(struct hdac_bus *bus, u32 res, u32 res_ex);
-int snd_hdac_bus_add_device(struct hdac_bus *bus, struct hdac_device *codec);
-void snd_hdac_bus_remove_device(struct hdac_bus *bus,
- struct hdac_device *codec);
void snd_hdac_bus_process_unsol_events(struct work_struct *work);
static inline void snd_hdac_codec_link_up(struct hdac_device *codec)