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linux/sound/pci/hda/hda_beep.h
Takashi Iwai bc80e83ebb ALSA: hda: beep: Drop stale mutex
The beep->mutex is no longer used since the drop of beep_mode=2.
Let's get rid of it.

Fixes: 0920c9b4c4 ("ALSA: hda - Remove beep_mode=2")
Link: https://lore.kernel.org/r/20240222153148.19691-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2024-02-22 17:26:53 +01:00

47 lines
1.2 KiB
C

/* 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 */
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