jack.h revision bd8a71a7b0f50da9350d202d325c3926ffd6b189 
1#ifndef __SOUND_JACK_H
2#define __SOUND_JACK_H
3
4/*
5 *  Jack abstraction layer
6 *
7 *  Copyright 2008 Wolfson Microelectronics plc
8 *
9 *
10 *   This program is free software; you can redistribute it and/or modify
11 *   it under the terms of the GNU General Public License as published by
12 *   the Free Software Foundation; either version 2 of the License, or
13 *   (at your option) any later version.
14 *
15 *   This program is distributed in the hope that it will be useful,
16 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
17 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 *   GNU General Public License for more details.
19 *
20 *   You should have received a copy of the GNU General Public License
21 *   along with this program; if not, write to the Free Software
22 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
23 *
24 */
25
26#include <sound/core.h>
27
28struct input_dev;
29
30/**
31 * Jack types which can be reported.  These values are used as a
32 * bitmask.
33 *
34 * Note that this must be kept in sync with the lookup table in
35 * sound/core/jack.c.
36 */
37enum snd_jack_types {
38	SND_JACK_HEADPHONE	= 0x0001,
39	SND_JACK_MICROPHONE	= 0x0002,
40	SND_JACK_HEADSET	= SND_JACK_HEADPHONE | SND_JACK_MICROPHONE,
41	SND_JACK_LINEOUT	= 0x0004,
42	SND_JACK_MECHANICAL	= 0x0008, /* If detected separately */
43};
44
45struct snd_jack {
46	struct input_dev *input_dev;
47	int registered;
48	int type;
49	const char *id;
50	char name[100];
51};
52
53#ifdef CONFIG_SND_JACK
54
55int snd_jack_new(struct snd_card *card, const char *id, int type,
56		 struct snd_jack **jack);
57void snd_jack_set_parent(struct snd_jack *jack, struct device *parent);
58
59void snd_jack_report(struct snd_jack *jack, int status);
60
61#else
62
63static inline int snd_jack_new(struct snd_card *card, const char *id, int type,
64			       struct snd_jack **jack)
65{
66	return 0;
67}
68
69static inline void snd_jack_set_parent(struct snd_jack *jack,
70				       struct device *parent)
71{
72}
73
74static inline void snd_jack_report(struct snd_jack *jack, int status)
75{
76}
77
78#endif
79
80#endif
81