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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /sound/pci/hda/hda_beep.h | |
| parent | Initial commit. (diff) | |
| download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip | |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/pci/hda/hda_beep.h')
| -rw-r--r-- | sound/pci/hda/hda_beep.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_beep.h b/sound/pci/hda/hda_beep.h new file mode 100644 index 000000000..d1a6a9c13 --- /dev/null +++ b/sound/pci/hda/hda_beep.h @@ -0,0 +1,51 @@ +/* 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 "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; + 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); +int snd_hda_register_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) +{ +} +static inline int snd_hda_register_beep_device(struct hda_codec *codec) +{ + return 0; +} +#endif +#endif |