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a5062dee82
Since every caller of snd_hda_jack_detect_enable_callback needs to use the macros from err.h, it makes sense to include it directly from hda_jack.h. Signed-off-by: David Henningsson <david.henningsson@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
/*
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* Jack-detection handling for HD-audio
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*
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* Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
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*
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* This driver 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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#ifndef __SOUND_HDA_JACK_H
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#define __SOUND_HDA_JACK_H
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#include <linux/err.h>
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struct auto_pin_cfg;
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struct hda_jack_tbl;
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struct hda_jack_callback;
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typedef void (*hda_jack_callback_fn) (struct hda_codec *, struct hda_jack_callback *);
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struct hda_jack_callback {
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struct hda_jack_tbl *tbl;
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hda_jack_callback_fn func;
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unsigned int private_data; /* arbitrary data */
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struct hda_jack_callback *next;
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};
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struct hda_jack_tbl {
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hda_nid_t nid;
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unsigned char tag; /* unsol event tag */
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struct hda_jack_callback *callback;
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/* jack-detection stuff */
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unsigned int pin_sense; /* cached pin-sense value */
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unsigned int jack_detect:1; /* capable of jack-detection? */
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unsigned int jack_dirty:1; /* needs to update? */
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unsigned int phantom_jack:1; /* a fixed, always present port? */
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unsigned int block_report:1; /* in a transitional state - do not report to userspace */
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hda_nid_t gating_jack; /* valid when gating jack plugged */
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hda_nid_t gated_jack; /* gated is dependent on this jack */
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struct snd_kcontrol *kctl; /* assigned kctl for jack-detection */
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#ifdef CONFIG_SND_HDA_INPUT_JACK
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int type;
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struct snd_jack *jack;
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#endif
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};
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struct hda_jack_tbl *
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snd_hda_jack_tbl_get(struct hda_codec *codec, hda_nid_t nid);
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struct hda_jack_tbl *
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snd_hda_jack_tbl_get_from_tag(struct hda_codec *codec, unsigned char tag);
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void snd_hda_jack_tbl_clear(struct hda_codec *codec);
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void snd_hda_jack_set_dirty_all(struct hda_codec *codec);
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int snd_hda_jack_detect_enable(struct hda_codec *codec, hda_nid_t nid);
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struct hda_jack_callback *
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snd_hda_jack_detect_enable_callback(struct hda_codec *codec, hda_nid_t nid,
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hda_jack_callback_fn cb);
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int snd_hda_jack_set_gating_jack(struct hda_codec *codec, hda_nid_t gated_nid,
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hda_nid_t gating_nid);
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u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid);
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/* the jack state returned from snd_hda_jack_detect_state() */
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enum {
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HDA_JACK_NOT_PRESENT, HDA_JACK_PRESENT, HDA_JACK_PHANTOM,
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};
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int snd_hda_jack_detect_state(struct hda_codec *codec, hda_nid_t nid);
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static inline bool snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid)
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{
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return snd_hda_jack_detect_state(codec, nid) != HDA_JACK_NOT_PRESENT;
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}
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bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid);
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int snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid,
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const char *name, int idx);
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int snd_hda_jack_add_kctls(struct hda_codec *codec,
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const struct auto_pin_cfg *cfg);
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void snd_hda_jack_report_sync(struct hda_codec *codec);
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void snd_hda_jack_unsol_event(struct hda_codec *codec, unsigned int res);
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void snd_hda_jack_poll_all(struct hda_codec *codec);
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#endif /* __SOUND_HDA_JACK_H */
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