1 /* 2 * HD-Audio helpers to sync with i915 driver 3 */ 4 #ifndef __SOUND_HDA_I915_H 5 #define __SOUND_HDA_I915_H 6 7 #include <drm/i915_component.h> 8 9 #ifdef CONFIG_SND_HDA_I915 10 int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable); 11 int snd_hdac_display_power(struct hdac_bus *bus, bool enable); 12 void snd_hdac_i915_set_bclk(struct hdac_bus *bus); 13 int snd_hdac_sync_audio_rate(struct hdac_bus *bus, hda_nid_t nid, int rate); 14 int snd_hdac_acomp_get_eld(struct hdac_bus *bus, hda_nid_t nid, 15 bool *audio_enabled, char *buffer, int max_bytes); 16 int snd_hdac_i915_init(struct hdac_bus *bus); 17 int snd_hdac_i915_exit(struct hdac_bus *bus); 18 int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *); 19 #else 20 static inline int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable) 21 { 22 return 0; 23 } 24 static inline int snd_hdac_display_power(struct hdac_bus *bus, bool enable) 25 { 26 return 0; 27 } 28 static inline void snd_hdac_i915_set_bclk(struct hdac_bus *bus) 29 { 30 } 31 static inline int snd_hdac_sync_audio_rate(struct hdac_bus *bus, hda_nid_t nid, 32 int rate) 33 { 34 return 0; 35 } 36 static inline int snd_hdac_acomp_get_eld(struct hdac_bus *bus, hda_nid_t nid, 37 bool *audio_enabled, char *buffer, 38 int max_bytes) 39 { 40 return -ENODEV; 41 } 42 static inline int snd_hdac_i915_init(struct hdac_bus *bus) 43 { 44 return -ENODEV; 45 } 46 static inline int snd_hdac_i915_exit(struct hdac_bus *bus) 47 { 48 return 0; 49 } 50 static inline int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *ops) 51 { 52 return -ENODEV; 53 } 54 #endif 55 56 #endif /* __SOUND_HDA_I915_H */ 57