tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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);
12void snd_hdac_i915_set_bclk(struct hdac_bus *bus);
13int 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,
15 bool *audio_enabled, char *buffer, int max_bytes);
16int snd_hdac_i915_init(struct hdac_bus *bus);
17int snd_hdac_i915_exit(struct hdac_bus *bus);
18int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *);
19#else
20static inline int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable)
21{
22 return 0;
23}
24static inline int snd_hdac_display_power(struct hdac_bus *bus, bool enable)
25{
26 return 0;
27}
28static inline void snd_hdac_i915_set_bclk(struct hdac_bus *bus)
29{
30}
31static inline int snd_hdac_sync_audio_rate(struct hdac_device *codec,
32 hda_nid_t nid, int rate)
33{
34 return 0;
35}
36static inline int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t nid,
37 bool *audio_enabled, char *buffer,
38 int max_bytes)
39{
40 return -ENODEV;
41}
42static 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}
50static inline int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *ops)
51{
52 return -ENODEV;
53}
54#endif
55
56#endif /* __SOUND_HDA_I915_H */