[linux-2.6-block.git] / include / sound / hda_i915.h

/*
 * 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);
int snd_hdac_get_display_clk(struct hdac_bus *bus);
int snd_hdac_sync_audio_rate(struct hdac_bus *bus, hda_nid_t nid, int rate);
int snd_hdac_acomp_get_eld(struct hdac_bus *bus, hda_nid_t nid,
			   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 int snd_hdac_get_display_clk(struct hdac_bus *bus)
{
	return 0;
}
static inline int snd_hdac_sync_audio_rate(struct hdac_bus *bus, hda_nid_t nid,
					   int rate)
{
	return 0;
}
static inline int snd_hdac_acomp_get_eld(struct hdac_bus *bus, hda_nid_t nid,
					 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 */
Commit	Line	Data
98d8fc6c ML	1	/*
	2	* HD-Audio helpers to sync with i915 driver
	3	*/
	4	#ifndef __SOUND_HDA_I915_H
	5	#define __SOUND_HDA_I915_H
	6
45c053df DH	7	#include <drm/i915_component.h>
45c053df DH	8
98d8fc6c ML	9	#ifdef CONFIG_SND_HDA_I915
	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_get_display_clk(struct hdac_bus *bus);
e2dc7d7d TI	13	int snd_hdac_sync_audio_rate(struct hdac_bus *bus, hda_nid_t nid, int rate);
	14	int snd_hdac_acomp_get_eld(struct hdac_bus *bus, hda_nid_t nid,
	15	bool audio_enabled, char buffer, int max_bytes);
98d8fc6c ML	16	int snd_hdac_i915_init(struct hdac_bus *bus);
98d8fc6c ML	17	int snd_hdac_i915_exit(struct hdac_bus *bus);
45c053df	18	int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *);
98d8fc6c	19	#else
6869de38	20	static inline int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable)
98d8fc6c ML	21	{
	22	return 0;
	23	}
	24	static inline int snd_hdac_display_power(struct hdac_bus *bus, bool enable)
	25	{
	26	return 0;
	27	}
	28	static inline int snd_hdac_get_display_clk(struct hdac_bus *bus)
	29	{
	30	return 0;
	31	}
e2dc7d7d TI	32	static inline int snd_hdac_sync_audio_rate(struct hdac_bus *bus, hda_nid_t nid,
	33	int rate)
	34	{
	35	return 0;
	36	}
	37	static inline int snd_hdac_acomp_get_eld(struct hdac_bus *bus, hda_nid_t nid,
	38	bool audio_enabled, char buffer,
	39	int max_bytes)
	40	{
	41	return -ENODEV;
	42	}
98d8fc6c ML	43	static inline int snd_hdac_i915_init(struct hdac_bus *bus)
	44	{
	45	return -ENODEV;
	46	}
	47	static inline int snd_hdac_i915_exit(struct hdac_bus *bus)
	48	{
	49	return 0;
	50	}
45c053df DH	51	static inline int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *ops)
	52	{
	53	return -ENODEV;
	54	}
98d8fc6c ML	55	#endif
	56
	57	#endif /* __SOUND_HDA_I915_H */