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 #ifdef CONFIG_SND_HDA_I915
   8 int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable);
   9 int snd_hdac_display_power(struct hdac_bus *bus, bool enable);
  10 int snd_hdac_get_display_clk(struct hdac_bus *bus);
  11 int snd_hdac_i915_init(struct hdac_bus *bus);
  12 int snd_hdac_i915_exit(struct hdac_bus *bus);
  13 #else
  14 static int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable)
  15 {
  16         return 0;
  17 }
  18 static inline int snd_hdac_display_power(struct hdac_bus *bus, bool enable)
  19 {
  20         return 0;
  21 }
  22 static inline int snd_hdac_get_display_clk(struct hdac_bus *bus)
  23 {
  24         return 0;
  25 }
  26 static inline int snd_hdac_i915_init(struct hdac_bus *bus)
  27 {
  28         return -ENODEV;
  29 }
  30 static inline int snd_hdac_i915_exit(struct hdac_bus *bus)
  31 {
  32         return 0;
  33 }
  34 #endif
  35
  36 #endif /* __SOUND_HDA_I915_H */