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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Digital Beep Input Interface for HD-audio codec
*
* Author: Matt Ranostay <matt.ranostay@konsulko.com>
* Copyright (c) 2008 Embedded Alley Solutions Inc
*/
#ifndef __SOUND_HDA_BEEP_H
#define __SOUND_HDA_BEEP_H
#include <sound/hda_codec.h>
#define HDA_BEEP_MODE_OFF 0
#define HDA_BEEP_MODE_ON 1
/* beep information */
struct hda_beep {
struct input_dev *dev;
struct hda_codec *codec;
char phys[32];
int tone;
hda_nid_t nid;
unsigned int registered:1;
unsigned int enabled:1;
unsigned int linear_tone:1; /* linear tone for IDT/STAC codec */
unsigned int playing:1;
unsigned int keep_power_at_enable:1; /* set by driver */
struct work_struct beep_work; /* scheduled task for beep event */
struct mutex mutex;
void (*power_hook)(struct hda_beep *beep, bool on);
};
#ifdef CONFIG_SND_HDA_INPUT_BEEP
int snd_hda_enable_beep_device(struct hda_codec *codec, int enable);
int snd_hda_attach_beep_device(struct hda_codec *codec, int nid);
void snd_hda_detach_beep_device(struct hda_codec *codec);
#else
static inline int snd_hda_attach_beep_device(struct hda_codec *codec, int nid)
{
return 0;
}
static inline void snd_hda_detach_beep_device(struct hda_codec *codec)
{
}
#endif
#endif
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