2 * Jack-detection handling for HD-audio
4 * Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
6 * This driver is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
12 #ifndef __SOUND_HDA_JACK_H
13 #define __SOUND_HDA_JACK_H
19 unsigned char action; /* event action (0 = none) */
20 unsigned char tag; /* unsol event tag */
21 unsigned int private_data; /* arbitrary data */
22 /* jack-detection stuff */
23 unsigned int pin_sense; /* cached pin-sense value */
24 unsigned int jack_detect:1; /* capable of jack-detection? */
25 unsigned int jack_dirty:1; /* needs to update? */
26 struct snd_kcontrol *kctl; /* assigned kctl for jack-detection */
27 #ifdef CONFIG_SND_HDA_INPUT_JACK
29 struct snd_jack *jack;
34 snd_hda_jack_tbl_get(struct hda_codec *codec, hda_nid_t nid);
36 snd_hda_jack_tbl_get_from_tag(struct hda_codec *codec, unsigned char tag);
39 snd_hda_jack_tbl_new(struct hda_codec *codec, hda_nid_t nid);
40 void snd_hda_jack_tbl_clear(struct hda_codec *codec);
43 * snd_hda_jack_get_action - get jack-tbl entry for the tag
45 * Call this from the unsol event handler to get the assigned action for the
46 * event. This will mark the dirty flag for the later reporting, too.
48 static inline unsigned char
49 snd_hda_jack_get_action(struct hda_codec *codec, unsigned int tag)
51 struct hda_jack_tbl *jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
59 void snd_hda_jack_set_dirty_all(struct hda_codec *codec);
61 int snd_hda_jack_detect_enable(struct hda_codec *codec, hda_nid_t nid,
62 unsigned char action);
64 u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid);
65 int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);
67 bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid);
69 int snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid,
70 const char *name, int idx);
71 int snd_hda_jack_add_kctls(struct hda_codec *codec,
72 const struct auto_pin_cfg *cfg);
74 void snd_hda_jack_report_sync(struct hda_codec *codec);
77 #endif /* __SOUND_HDA_JACK_H */