| /* SPDX-License-Identifier: GPL-2.0 */ | |
| /* | |
| * 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); | |
| void snd_hdac_i915_set_bclk(struct hdac_bus *bus); | |
| int snd_hdac_sync_audio_rate(struct hdac_device *codec, hda_nid_t nid, | |
| int dev_id, int rate); | |
| int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t nid, int dev_id, | |
| 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 void snd_hdac_i915_set_bclk(struct hdac_bus *bus) | |
| { | |
| } | |
| static inline int snd_hdac_sync_audio_rate(struct hdac_device *codec, | |
| hda_nid_t nid, int dev_id, int rate) | |
| { | |
| return 0; | |
| } | |
| static inline int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t nid, | |
| int dev_id, 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 */ |