linux/include/sound/jack.h
Thomas Gleixner 1a59d1b8e0 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version this program is distributed in the
  hope that it will be useful but without any warranty without even
  the implied warranty of merchantability or fitness for a particular
  purpose see the gnu general public license for more details you
  should have received a copy of the gnu general public license along
  with this program if not write to the free software foundation inc
  59 temple place suite 330 boston ma 02111 1307 usa

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1334 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:35 -07:00

119 lines
3.0 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef __SOUND_JACK_H
#define __SOUND_JACK_H
/*
* Jack abstraction layer
*
* Copyright 2008 Wolfson Microelectronics plc
*/
#include <sound/core.h>
struct input_dev;
/**
* enum snd_jack_types - Jack types which can be reported
* @SND_JACK_HEADPHONE: Headphone
* @SND_JACK_MICROPHONE: Microphone
* @SND_JACK_HEADSET: Headset
* @SND_JACK_LINEOUT: Line out
* @SND_JACK_MECHANICAL: Mechanical switch
* @SND_JACK_VIDEOOUT: Video out
* @SND_JACK_AVOUT: AV (Audio Video) out
* @SND_JACK_LINEIN: Line in
* @SND_JACK_BTN_0: Button 0
* @SND_JACK_BTN_1: Button 1
* @SND_JACK_BTN_2: Button 2
* @SND_JACK_BTN_3: Button 3
* @SND_JACK_BTN_4: Button 4
* @SND_JACK_BTN_5: Button 5
*
* These values are used as a bitmask.
*
* Note that this must be kept in sync with the lookup table in
* sound/core/jack.c.
*/
enum snd_jack_types {
SND_JACK_HEADPHONE = 0x0001,
SND_JACK_MICROPHONE = 0x0002,
SND_JACK_HEADSET = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE,
SND_JACK_LINEOUT = 0x0004,
SND_JACK_MECHANICAL = 0x0008, /* If detected separately */
SND_JACK_VIDEOOUT = 0x0010,
SND_JACK_AVOUT = SND_JACK_LINEOUT | SND_JACK_VIDEOOUT,
SND_JACK_LINEIN = 0x0020,
/* Kept separate from switches to facilitate implementation */
SND_JACK_BTN_0 = 0x4000,
SND_JACK_BTN_1 = 0x2000,
SND_JACK_BTN_2 = 0x1000,
SND_JACK_BTN_3 = 0x0800,
SND_JACK_BTN_4 = 0x0400,
SND_JACK_BTN_5 = 0x0200,
};
/* Keep in sync with definitions above */
#define SND_JACK_SWITCH_TYPES 6
struct snd_jack {
struct list_head kctl_list;
struct snd_card *card;
const char *id;
#ifdef CONFIG_SND_JACK_INPUT_DEV
struct input_dev *input_dev;
int registered;
int type;
char name[100];
unsigned int key[6]; /* Keep in sync with definitions above */
#endif /* CONFIG_SND_JACK_INPUT_DEV */
void *private_data;
void (*private_free)(struct snd_jack *);
};
#ifdef CONFIG_SND_JACK
int snd_jack_new(struct snd_card *card, const char *id, int type,
struct snd_jack **jack, bool initial_kctl, bool phantom_jack);
int snd_jack_add_new_kctl(struct snd_jack *jack, const char * name, int mask);
#ifdef CONFIG_SND_JACK_INPUT_DEV
void snd_jack_set_parent(struct snd_jack *jack, struct device *parent);
int snd_jack_set_key(struct snd_jack *jack, enum snd_jack_types type,
int keytype);
#endif
void snd_jack_report(struct snd_jack *jack, int status);
#else
static inline int snd_jack_new(struct snd_card *card, const char *id, int type,
struct snd_jack **jack, bool initial_kctl, bool phantom_jack)
{
return 0;
}
static inline int snd_jack_add_new_kctl(struct snd_jack *jack, const char * name, int mask)
{
return 0;
}
static inline void snd_jack_report(struct snd_jack *jack, int status)
{
}
#endif
#if !defined(CONFIG_SND_JACK) || !defined(CONFIG_SND_JACK_INPUT_DEV)
static inline void snd_jack_set_parent(struct snd_jack *jack,
struct device *parent)
{
}
static inline int snd_jack_set_key(struct snd_jack *jack,
enum snd_jack_types type,
int keytype)
{
return 0;
}
#endif /* !CONFIG_SND_JACK || !CONFIG_SND_JACK_INPUT_DEV */
#endif