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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
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#define __SOUND_JACK_H
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/*
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* Jack abstraction layer
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*
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* Copyright 2008 Wolfson Microelectronics plc
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <sound/core.h>
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struct input_dev;
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/**
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* Jack types which can be reported. These values are used as a
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* bitmask.
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*/
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enum snd_jack_types {
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SND_JACK_HEADPHONE = 0x0001,
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SND_JACK_MICROPHONE = 0x0002,
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SND_JACK_HEADSET = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE,
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SND_JACK_LINEOUT = 0x0004,
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SND_JACK_MECHANICAL = 0x0008, /* If detected separately */
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};
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struct snd_jack {
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struct input_dev *input_dev;
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int registered;
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int type;
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const char *id;
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char name[100];
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};
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#ifdef CONFIG_SND_JACK
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int snd_jack_new(struct snd_card *card, const char *id, int type,
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struct snd_jack **jack);
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void snd_jack_set_parent(struct snd_jack *jack, struct device *parent);
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void snd_jack_report(struct snd_jack *jack, int status);
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#else
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static inline int snd_jack_new(struct snd_card *card, const char *id, int type,
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struct snd_jack **jack)
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{
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return 0;
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}
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static inline void snd_jack_set_parent(struct snd_jack *jack,
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struct device *parent)
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{
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}
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static inline void snd_jack_report(struct snd_jack *jack, int status)
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{
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}
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#endif
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#endif
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