include/sound/jack.h

   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
  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
  66 static inline void snd_jack_set_parent(struct snd_jack *jack,
  67                                        struct device *parent)
  68 {
  69 }
  70
  71 static inline void snd_jack_report(struct snd_jack *jack, int status)
  72 {
  73 }
  74
  75 #endif
  76
  77 #endif