LXR linux/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
  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        SND_JACK_VIDEOOUT       = 0x0010,
  44        SND_JACK_AVOUT          = SND_JACK_LINEOUT | SND_JACK_VIDEOOUT,
  45};
  46
  47struct snd_jack {
  48        struct input_dev *input_dev;
  49        int registered;
  50        int type;
  51        const char *id;
  52        char name[100];
  53        void *private_data;
  54        void (*private_free)(struct snd_jack *);
  55};
  56
  57#ifdef CONFIG_SND_JACK
  58
  59int snd_jack_new(struct snd_card *card, const char *id, int type,
  60                 struct snd_jack **jack);
  61void snd_jack_set_parent(struct snd_jack *jack, struct device *parent);
  62
  63void snd_jack_report(struct snd_jack *jack, int status);
  64
  65#else
  66
  67static inline int snd_jack_new(struct snd_card *card, const char *id, int type,
  68                               struct snd_jack **jack)
  69{
  70        return 0;
  71}
  72
  73static inline void snd_jack_set_parent(struct snd_jack *jack,
  74                                       struct device *parent)
  75{
  76}
  77
  78static inline void snd_jack_report(struct snd_jack *jack, int status)
  79{
  80}
  81
  82#endif
  83
  84#endif
  85