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Mengdong Lin98d8fc62015-05-19 22:29:30 +08001/*
2 * HD-Audio helpers to sync with i915 driver
3 */
4#ifndef __SOUND_HDA_I915_H
5#define __SOUND_HDA_I915_H
6
David Henningsson45c053d2015-08-19 10:48:57 +02007#include <drm/i915_component.h>
8
Mengdong Lin98d8fc62015-05-19 22:29:30 +08009#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);
Takashi Iwaibb03ed22016-04-21 16:39:17 +020012void snd_hdac_i915_set_bclk(struct hdac_bus *bus);
Takashi Iwaid745f5e2016-03-21 14:41:58 +010013int snd_hdac_sync_audio_rate(struct hdac_device *codec, hda_nid_t nid, int rate);
14int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t nid,
Takashi Iwaie2dc7d72015-12-01 12:39:38 +010015 bool *audio_enabled, char *buffer, int max_bytes);
Mengdong Lin98d8fc62015-05-19 22:29:30 +080016int snd_hdac_i915_init(struct hdac_bus *bus);
17int snd_hdac_i915_exit(struct hdac_bus *bus);
David Henningsson45c053d2015-08-19 10:48:57 +020018int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *);
Mengdong Lin98d8fc62015-05-19 22:29:30 +080019#else
Takashi Iwai6869de32015-09-02 12:24:55 +020020static inline int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable)
Mengdong Lin98d8fc62015-05-19 22:29:30 +080021{
22 return 0;
23}
24static inline int snd_hdac_display_power(struct hdac_bus *bus, bool enable)
25{
26 return 0;
27}
Takashi Iwaibb03ed22016-04-21 16:39:17 +020028static inline void snd_hdac_i915_set_bclk(struct hdac_bus *bus)
Mengdong Lin98d8fc62015-05-19 22:29:30 +080029{
Mengdong Lin98d8fc62015-05-19 22:29:30 +080030}
Takashi Iwaid745f5e2016-03-21 14:41:58 +010031static inline int snd_hdac_sync_audio_rate(struct hdac_device *codec,
32 hda_nid_t nid, int rate)
Takashi Iwaie2dc7d72015-12-01 12:39:38 +010033{
34 return 0;
35}
Takashi Iwaid745f5e2016-03-21 14:41:58 +010036static inline int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t nid,
Takashi Iwaie2dc7d72015-12-01 12:39:38 +010037 bool *audio_enabled, char *buffer,
38 int max_bytes)
39{
40 return -ENODEV;
41}
Mengdong Lin98d8fc62015-05-19 22:29:30 +080042static inline int snd_hdac_i915_init(struct hdac_bus *bus)
43{
44 return -ENODEV;
45}
46static inline int snd_hdac_i915_exit(struct hdac_bus *bus)
47{
48 return 0;
49}
David Henningsson45c053d2015-08-19 10:48:57 +020050static inline int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *ops)
51{
52 return -ENODEV;
53}
Mengdong Lin98d8fc62015-05-19 22:29:30 +080054#endif
55
56#endif /* __SOUND_HDA_I915_H */