| /* |
| * 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 */ |