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https://github.com/torvalds/linux
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4e3f0dc658
Dont create input devices for phantom jacks. Here, we extend snd_jack_new() to support phantom jack creating: pass in a bool param for [non-]phantom flag, and a bool param initial_jack to indicate whether we need to create a kctl at this stage. We can also add a kctl to the jack after its created meaning we can now integrate the HDA and ASoC jacks. Signed-off-by: Jie Yang <yang.jie@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
128 lines
3.5 KiB
C
128 lines
3.5 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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* enum snd_jack_types - Jack types which can be reported
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* @SND_JACK_HEADPHONE: Headphone
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* @SND_JACK_MICROPHONE: Microphone
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* @SND_JACK_HEADSET: Headset
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* @SND_JACK_LINEOUT: Line out
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* @SND_JACK_MECHANICAL: Mechanical switch
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* @SND_JACK_VIDEOOUT: Video out
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* @SND_JACK_AVOUT: AV (Audio Video) out
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* @SND_JACK_LINEIN: Line in
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* @SND_JACK_BTN_0: Button 0
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* @SND_JACK_BTN_1: Button 1
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* @SND_JACK_BTN_2: Button 2
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* @SND_JACK_BTN_3: Button 3
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* @SND_JACK_BTN_4: Button 4
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* @SND_JACK_BTN_5: Button 5
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*
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* These values are used as a bitmask.
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*
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* Note that this must be kept in sync with the lookup table in
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* sound/core/jack.c.
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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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SND_JACK_VIDEOOUT = 0x0010,
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SND_JACK_AVOUT = SND_JACK_LINEOUT | SND_JACK_VIDEOOUT,
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SND_JACK_LINEIN = 0x0020,
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/* Kept separate from switches to facilitate implementation */
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SND_JACK_BTN_0 = 0x4000,
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SND_JACK_BTN_1 = 0x2000,
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SND_JACK_BTN_2 = 0x1000,
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SND_JACK_BTN_3 = 0x0800,
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SND_JACK_BTN_4 = 0x0400,
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SND_JACK_BTN_5 = 0x0200,
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};
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/* Keep in sync with definitions above */
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#define SND_JACK_SWITCH_TYPES 6
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struct snd_jack {
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struct input_dev *input_dev;
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struct list_head kctl_list;
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struct snd_card *card;
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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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unsigned int key[6]; /* Keep in sync with definitions above */
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void *private_data;
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void (*private_free)(struct snd_jack *);
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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, bool initial_kctl, bool phantom_jack);
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int snd_jack_add_new_kctl(struct snd_jack *jack, const char * name, int mask);
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void snd_jack_set_parent(struct snd_jack *jack, struct device *parent);
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int snd_jack_set_key(struct snd_jack *jack, enum snd_jack_types type,
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int keytype);
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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, bool initial_kctl, bool phantom_jack)
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{
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return 0;
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}
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static inline int snd_jack_add_new_kctl(struct snd_jack *jack, const char * name, int mask)
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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 int snd_jack_set_key(struct snd_jack *jack,
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enum snd_jack_types type,
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int keytype)
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{
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return 0;
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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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