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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768// SPDX-License-Identifier: GPL-2.0// HD-Audio helpers to sync with DRM driver
#ifndef __SOUND_HDA_COMPONENT_H#define __SOUND_HDA_COMPONENT_H
#include <drm/drm_audio_component.h>#include <sound/hdaudio.h>
/* virtual idx for controller */#define HDA_CODEC_IDX_CONTROLLER HDA_MAX_CODECS
#ifdef CONFIG_SND_HDA_COMPONENTint snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable);void snd_hdac_display_power(struct hdac_bus *bus, unsigned int idx, bool enable);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_acomp_init(struct hdac_bus *bus, const struct drm_audio_component_audio_ops *aops, int (*match_master)(struct device *, int, void *), size_t extra_size);int snd_hdac_acomp_exit(struct hdac_bus *bus);int snd_hdac_acomp_register_notifier(struct hdac_bus *bus, const struct drm_audio_component_audio_ops *ops);#elsestatic inline int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable){ return 0;}static inline void snd_hdac_display_power(struct hdac_bus *bus, unsigned int idx, bool enable){}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_acomp_init(struct hdac_bus *bus, const struct drm_audio_component_audio_ops *aops, int (*match_master)(struct device *, int, void *), size_t extra_size){ return -ENODEV;}static inline int snd_hdac_acomp_exit(struct hdac_bus *bus){ return 0;}static inline int snd_hdac_acomp_register_notifier(struct hdac_bus *bus, const struct drm_audio_component_audio_ops *ops){ return -ENODEV;}#endif
#endif /* __SOUND_HDA_COMPONENT_H */