include/sound/hda_i915.h

   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 int snd_hdac_get_display_clk(struct hdac_bus *bus);
  13 int snd_hdac_i915_init(struct hdac_bus *bus);
  14 int snd_hdac_i915_exit(struct hdac_bus *bus);
  15 int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *);
  16 #else
  17 static inline int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable)
  18 {
  19         return 0;
  20 }
  21 static inline int snd_hdac_display_power(struct hdac_bus *bus, bool enable)
  22 {
  23         return 0;
  24 }
  25 static inline int snd_hdac_get_display_clk(struct hdac_bus *bus)
  26 {
  27         return 0;
  28 }
  29 static inline int snd_hdac_i915_init(struct hdac_bus *bus)
  30 {
  31         return -ENODEV;
  32 }
  33 static inline int snd_hdac_i915_exit(struct hdac_bus *bus)
  34 {
  35         return 0;
  36 }
  37 static inline int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *ops)
  38 {
  39         return -ENODEV;
  40 }
  41 #endif
  42
  43 #endif /* __SOUND_HDA_I915_H */