| /* | 
 |  * HD-Audio helpers to sync with i915 driver | 
 |  */ | 
 | #ifndef __SOUND_HDA_I915_H | 
 | #define __SOUND_HDA_I915_H | 
 |  | 
 | #include <drm/i915_component.h> | 
 |  | 
 | #ifdef CONFIG_SND_HDA_I915 | 
 | int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable); | 
 | int snd_hdac_display_power(struct hdac_bus *bus, bool enable); | 
 | int snd_hdac_get_display_clk(struct hdac_bus *bus); | 
 | int snd_hdac_sync_audio_rate(struct hdac_bus *bus, hda_nid_t nid, int rate); | 
 | int snd_hdac_acomp_get_eld(struct hdac_bus *bus, hda_nid_t nid, | 
 | 			   bool *audio_enabled, char *buffer, int max_bytes); | 
 | int snd_hdac_i915_init(struct hdac_bus *bus); | 
 | int snd_hdac_i915_exit(struct hdac_bus *bus); | 
 | int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *); | 
 | #else | 
 | static inline int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable) | 
 | { | 
 | 	return 0; | 
 | } | 
 | static inline int snd_hdac_display_power(struct hdac_bus *bus, bool enable) | 
 | { | 
 | 	return 0; | 
 | } | 
 | static inline int snd_hdac_get_display_clk(struct hdac_bus *bus) | 
 | { | 
 | 	return 0; | 
 | } | 
 | static inline int snd_hdac_sync_audio_rate(struct hdac_bus *bus, hda_nid_t nid, | 
 | 					   int rate) | 
 | { | 
 | 	return 0; | 
 | } | 
 | static inline int snd_hdac_acomp_get_eld(struct hdac_bus *bus, hda_nid_t nid, | 
 | 					 bool *audio_enabled, char *buffer, | 
 | 					 int max_bytes) | 
 | { | 
 | 	return -ENODEV; | 
 | } | 
 | static inline int snd_hdac_i915_init(struct hdac_bus *bus) | 
 | { | 
 | 	return -ENODEV; | 
 | } | 
 | static inline int snd_hdac_i915_exit(struct hdac_bus *bus) | 
 | { | 
 | 	return 0; | 
 | } | 
 | static inline int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *ops) | 
 | { | 
 | 	return -ENODEV; | 
 | } | 
 | #endif | 
 |  | 
 | #endif /* __SOUND_HDA_I915_H */ |