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include
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sound
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hda_i915.h

hda_i915.h 1.1 KB
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  1. /*
    2. 

  2.  * HD-Audio helpers to sync with i915 driver
    3. 

  3.  */
    4. 

  4. #ifndef __SOUND_HDA_I915_H
    5. 

  5. #define __SOUND_HDA_I915_H
    6. 

  6. 

  7. #include <drm/i915_component.h>
    8. 

  8. 

  9. #ifdef CONFIG_SND_HDA_I915
    10. 

  10. int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable);
    11. 

  11. int snd_hdac_display_power(struct hdac_bus *bus, bool enable);
    12. 

  12. int snd_hdac_get_display_clk(struct hdac_bus *bus);
    13. 

  13. int snd_hdac_i915_init(struct hdac_bus *bus);
    14. 

  14. int snd_hdac_i915_exit(struct hdac_bus *bus);
    15. 

  15. int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *);
    16. 

  16. #else
    17. 

  17. static inline int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable)
    18. 

  18. {
    19. 

  19. 	return 0;
    20. 

  20. }
    21. 

  21. static inline int snd_hdac_display_power(struct hdac_bus *bus, bool enable)
    22. 

  22. {
    23. 

  23. 	return 0;
    24. 

  24. }
    25. 

  25. static inline int snd_hdac_get_display_clk(struct hdac_bus *bus)
    26. 

  26. {
    27. 

  27. 	return 0;
    28. 

  28. }
    29. 

  29. static inline int snd_hdac_i915_init(struct hdac_bus *bus)
    30. 

  30. {
    31. 

  31. 	return -ENODEV;
    32. 

  32. }
    33. 

  33. static inline int snd_hdac_i915_exit(struct hdac_bus *bus)
    34. 

  34. {
    35. 

  35. 	return 0;
    36. 

  36. }
    37. 

  37. static inline int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *ops)
    38. 

  38. {
    39. 

  39. 	return -ENODEV;
    40. 

  40. }
    41. 

  41. #endif
    42. 

  42. 

  43. #endif /* __SOUND_HDA_I915_H */
    44.