mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-05 01:54:09 +08:00
cdc6936432
Some systems support both mechanical and electrical jack detection, allowing them to report that a jack is physically present but does not have any functioning connections. Add a new jack type for these, allowing user space to report faulty connections. Thanks to Guillem Jover for the suggestion. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
78 lines
1.9 KiB
C
78 lines
1.9 KiB
C
#ifndef __SOUND_JACK_H
|
|
#define __SOUND_JACK_H
|
|
|
|
/*
|
|
* Jack abstraction layer
|
|
*
|
|
* Copyright 2008 Wolfson Microelectronics plc
|
|
*
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
*/
|
|
|
|
#include <sound/core.h>
|
|
|
|
struct input_dev;
|
|
|
|
/**
|
|
* Jack types which can be reported. These values are used as a
|
|
* bitmask.
|
|
*/
|
|
enum snd_jack_types {
|
|
SND_JACK_HEADPHONE = 0x0001,
|
|
SND_JACK_MICROPHONE = 0x0002,
|
|
SND_JACK_HEADSET = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE,
|
|
SND_JACK_LINEOUT = 0x0004,
|
|
SND_JACK_MECHANICAL = 0x0008, /* If detected separately */
|
|
};
|
|
|
|
struct snd_jack {
|
|
struct input_dev *input_dev;
|
|
int registered;
|
|
int type;
|
|
const char *id;
|
|
char name[100];
|
|
};
|
|
|
|
#ifdef CONFIG_SND_JACK
|
|
|
|
int snd_jack_new(struct snd_card *card, const char *id, int type,
|
|
struct snd_jack **jack);
|
|
void snd_jack_set_parent(struct snd_jack *jack, struct device *parent);
|
|
|
|
void snd_jack_report(struct snd_jack *jack, int status);
|
|
|
|
#else
|
|
|
|
static inline int snd_jack_new(struct snd_card *card, const char *id, int type,
|
|
struct snd_jack **jack)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void snd_jack_set_parent(struct snd_jack *jack,
|
|
struct device *parent)
|
|
{
|
|
}
|
|
|
|
static inline void snd_jack_report(struct snd_jack *jack, int status)
|
|
{
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif
|