mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-11 21:56:43 +07:00
35be544af3
Now move the helper function for creating and reporting the jack-detection to the common place. The driver that needs this functionality should select CONFIG_SND_KCTL_JACK kconfig. Signed-off-by: Takashi Iwai <tiwai@suse.de>
83 lines
2.6 KiB
C
83 lines
2.6 KiB
C
/*
|
|
* Jack-detection handling for HD-audio
|
|
*
|
|
* Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
|
|
*
|
|
* This driver 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.
|
|
*/
|
|
|
|
#ifndef __SOUND_HDA_JACK_H
|
|
#define __SOUND_HDA_JACK_H
|
|
|
|
struct hda_jack_tbl {
|
|
hda_nid_t nid;
|
|
unsigned char action; /* event action (0 = none) */
|
|
unsigned char tag; /* unsol event tag */
|
|
unsigned int private_data; /* arbitrary data */
|
|
/* jack-detection stuff */
|
|
unsigned int pin_sense; /* cached pin-sense value */
|
|
unsigned int jack_detect:1; /* capable of jack-detection? */
|
|
unsigned int jack_dirty:1; /* needs to update? */
|
|
struct snd_kcontrol *kctl; /* assigned kctl for jack-detection */
|
|
};
|
|
|
|
struct hda_jack_tbl *
|
|
snd_hda_jack_tbl_get(struct hda_codec *codec, hda_nid_t nid);
|
|
struct hda_jack_tbl *
|
|
snd_hda_jack_tbl_get_from_tag(struct hda_codec *codec, unsigned char tag);
|
|
|
|
struct hda_jack_tbl *
|
|
snd_hda_jack_tbl_new(struct hda_codec *codec, hda_nid_t nid);
|
|
void snd_hda_jack_tbl_clear(struct hda_codec *codec);
|
|
|
|
/**
|
|
* snd_hda_jack_get_action - get jack-tbl entry for the tag
|
|
*
|
|
* Call this from the unsol event handler to get the assigned action for the
|
|
* event. This will mark the dirty flag for the later reporting, too.
|
|
*/
|
|
static inline unsigned char
|
|
snd_hda_jack_get_action(struct hda_codec *codec, unsigned int tag)
|
|
{
|
|
struct hda_jack_tbl *jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
|
|
if (jack) {
|
|
jack->jack_dirty = 1;
|
|
return jack->action;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void snd_hda_jack_set_dirty_all(struct hda_codec *codec);
|
|
|
|
int snd_hda_jack_detect_enable(struct hda_codec *codec, hda_nid_t nid,
|
|
unsigned char action);
|
|
|
|
u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid);
|
|
int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);
|
|
|
|
static inline bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
if (!(snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_PRES_DETECT))
|
|
return false;
|
|
if (!codec->ignore_misc_bit &&
|
|
(get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid)) &
|
|
AC_DEFCFG_MISC_NO_PRESENCE))
|
|
return false;
|
|
if (!(get_wcaps(codec, nid) & AC_WCAP_UNSOL_CAP))
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
int snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid,
|
|
const char *name, int idx);
|
|
int snd_hda_jack_add_kctls(struct hda_codec *codec,
|
|
const struct auto_pin_cfg *cfg);
|
|
|
|
void snd_hda_jack_report_sync(struct hda_codec *codec);
|
|
|
|
|
|
#endif /* __SOUND_HDA_JACK_H */
|