1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Digital Beep Input Interface for HD-audio codec
5 * Author: Matt Ranostay <matt.ranostay@konsulko.com>
6 * Copyright (c) 2008 Embedded Alley Solutions Inc
9 #ifndef __SOUND_HDA_BEEP_H
10 #define __SOUND_HDA_BEEP_H
12 #include <sound/hda_codec.h>
14 #define HDA_BEEP_MODE_OFF 0
15 #define HDA_BEEP_MODE_ON 1
17 /* beep information */
19 struct input_dev *dev;
20 struct hda_codec *codec;
24 unsigned int registered:1;
25 unsigned int enabled:1;
26 unsigned int linear_tone:1; /* linear tone for IDT/STAC codec */
27 unsigned int playing:1;
28 unsigned int keep_power_at_enable:1; /* set by driver */
29 struct work_struct beep_work; /* scheduled task for beep event */
31 void (*power_hook)(struct hda_beep *beep, bool on);
34 #ifdef CONFIG_SND_HDA_INPUT_BEEP
35 int snd_hda_enable_beep_device(struct hda_codec *codec, int enable);
36 int snd_hda_attach_beep_device(struct hda_codec *codec, int nid);
37 void snd_hda_detach_beep_device(struct hda_codec *codec);
39 static inline int snd_hda_attach_beep_device(struct hda_codec *codec, int nid)
43 static inline void snd_hda_detach_beep_device(struct hda_codec *codec)