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 10int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable); 11int snd_hdac_display_power(struct hdac_bus *bus, bool enable); 12int snd_hdac_get_display_clk(struct hdac_bus *bus); 13int snd_hdac_i915_init(struct hdac_bus *bus); 14int snd_hdac_i915_exit(struct hdac_bus *bus); 15int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *); 16#else 17static inline int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable) 18{ 19 return 0; 20} 21static inline int snd_hdac_display_power(struct hdac_bus *bus, bool enable) 22{ 23 return 0; 24} 25static inline int snd_hdac_get_display_clk(struct hdac_bus *bus) 26{ 27 return 0; 28} 29static inline int snd_hdac_i915_init(struct hdac_bus *bus) 30{ 31 return -ENODEV; 32} 33static inline int snd_hdac_i915_exit(struct hdac_bus *bus) 34{ 35 return 0; 36} 37static 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 */ 44