| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | // HD-Audio helpers to sync with DRM driver |
| 3 | |
| 4 | #ifndef __SOUND_HDA_COMPONENT_H |
| 5 | #define __SOUND_HDA_COMPONENT_H |
| 6 | |
| 7 | #include <drm/drm_audio_component.h> |
| 8 | |
| 9 | #ifdef CONFIG_SND_HDA_COMPONENT |
| 10 | int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable); |
| 11 | int snd_hdac_display_power(struct hdac_bus *bus, bool enable); |
| 12 | int snd_hdac_sync_audio_rate(struct hdac_device *codec, hda_nid_t nid, |
| 13 | int dev_id, int rate); |
| 14 | int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t nid, int dev_id, |
| 15 | bool *audio_enabled, char *buffer, int max_bytes); |
| 16 | int snd_hdac_acomp_init(struct hdac_bus *bus, |
| 17 | const struct drm_audio_component_audio_ops *aops, |
| 18 | int (*match_master)(struct device *, void *), |
| 19 | size_t extra_size); |
| 20 | int snd_hdac_acomp_exit(struct hdac_bus *bus); |
| 21 | int snd_hdac_acomp_register_notifier(struct hdac_bus *bus, |
| 22 | const struct drm_audio_component_audio_ops *ops); |
| 23 | #else |
| 24 | static inline int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable) |
| 25 | { |
| 26 | return 0; |
| 27 | } |
| 28 | static inline int snd_hdac_display_power(struct hdac_bus *bus, bool enable) |
| 29 | { |
| 30 | return 0; |
| 31 | } |
| 32 | static inline int snd_hdac_sync_audio_rate(struct hdac_device *codec, |
| 33 | hda_nid_t nid, int dev_id, int rate) |
| 34 | { |
| 35 | return 0; |
| 36 | } |
| 37 | static inline int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t nid, |
| 38 | int dev_id, bool *audio_enabled, |
| 39 | char *buffer, int max_bytes) |
| 40 | { |
| 41 | return -ENODEV; |
| 42 | } |
| 43 | static inline int snd_hdac_acomp_init(struct hdac_bus *bus, |
| 44 | const struct drm_audio_component_audio_ops *aops, |
| 45 | int (*match_master)(struct device *, void *), |
| 46 | size_t extra_size) |
| 47 | { |
| 48 | return -ENODEV; |
| 49 | } |
| 50 | static inline int snd_hdac_acomp_exit(struct hdac_bus *bus) |
| 51 | { |
| 52 | return 0; |
| 53 | } |
| 54 | static inline int snd_hdac_acomp_register_notifier(struct hdac_bus *bus, |
| 55 | const struct drm_audio_component_audio_ops *ops) |
| 56 | { |
| 57 | return -ENODEV; |
| 58 | } |
| 59 | #endif |
| 60 | |
| 61 | #endif /* __SOUND_HDA_COMPONENT_H */ |