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 SND_JACK_MECHANICAL = 0x0008, /* If detected separately */
40 };
41
42 struct snd_jack {
43 struct input_dev *input_dev;
44 int registered;
45 int type;
46 const char *id;
47 char name[100];
48 };
49
50 #ifdef CONFIG_SND_JACK
51
52 int snd_jack_new(struct snd_card *card, const char *id, int type,
53 struct snd_jack **jack);
54 void snd_jack_set_parent(struct snd_jack *jack, struct device *parent);
55
56 void snd_jack_report(struct snd_jack *jack, int status);
57
58 #else
59
snd_jack_new(struct snd_card * card,const char * id,int type,struct snd_jack ** jack)60 static inline int snd_jack_new(struct snd_card *card, const char *id, int type,
61 struct snd_jack **jack)
62 {
63 return 0;
64 }
65
snd_jack_set_parent(struct snd_jack * jack,struct device * parent)66 static inline void snd_jack_set_parent(struct snd_jack *jack,
67 struct device *parent)
68 {
69 }
70
snd_jack_report(struct snd_jack * jack,int status)71 static inline void snd_jack_report(struct snd_jack *jack, int status)
72 {
73 }
74
75 #endif
76
77 #endif
78