xref: /linux-6.15/include/sound/jack.h (revision a53ccab3)
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 
28 struct input_dev;
29 
30 /**
31  * Jack types which can be reported.  These values are used as a
32  * bitmask.
33  */
34 enum snd_jack_types {
35 	SND_JACK_HEADPHONE	= 0x0001,
36 	SND_JACK_MICROPHONE	= 0x0002,
37 	SND_JACK_HEADSET	= SND_JACK_HEADPHONE | SND_JACK_MICROPHONE,
38 	SND_JACK_LINEOUT	= 0x0004,
39 };
40 
41 struct snd_jack {
42 	struct input_dev *input_dev;
43 	int registered;
44 	int type;
45 	const char *id;
46 	char name[100];
47 };
48 
49 #ifdef CONFIG_SND_JACK
50 
51 int snd_jack_new(struct snd_card *card, const char *id, int type,
52 		 struct snd_jack **jack);
53 void snd_jack_set_parent(struct snd_jack *jack, struct device *parent);
54 
55 void snd_jack_report(struct snd_jack *jack, int status);
56 
57 #else
58 
59 static inline int snd_jack_new(struct snd_card *card, const char *id, int type,
60 			       struct snd_jack **jack)
61 {
62 	return 0;
63 }
64 
65 static inline void snd_jack_set_parent(struct snd_jack *jack,
66 				       struct device *parent)
67 {
68 }
69 
70 static inline void snd_jack_report(struct snd_jack *jack, int status)
71 {
72 }
73 
74 #endif
75 
76 #endif
77