/**
* snd_hda_jack_add_kctl - Add a kctl for the given pin
*
* This assigns a jack-detection kctl to the given pin. The kcontrol
* will have the given name and index.
*/
int snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid,
const char *name, int idx)
{
struct hda_jack_tbl *jack;
struct snd_kcontrol *kctl;
int err, state;
jack = snd_hda_jack_tbl_new(codec, nid);
if (!jack)
return 0;
if (jack->kctl)
return 0; /* already created */
kctl = snd_kctl_jack_new(name, idx, codec);
if (!kctl)
return -ENOMEM;
err = snd_hda_ctl_add(codec, nid, kctl);
if (err < 0)
return err;
jack->kctl = kctl;
state = snd_hda_jack_detect(codec, nid);
snd_kctl_jack_report(codec->bus->card, kctl, state);
#ifdef CONFIG_SND_HDA_INPUT_JACK
jack->type = get_input_jack_type(codec, nid);
err = snd_jack_new(codec->bus->card, name, jack->type, &jack->jack);
if (err < 0)
return err;
jack->jack->private_data = jack;
jack->jack->private_free = hda_free_jack_priv;
snd_jack_report(jack->jack, state ? jack->type : 0);
#endif
return 0;
}
/**
* snd_hda_jack_report_sync - sync the states of all jacks and report if changed
*/
void snd_hda_jack_report_sync(struct hda_codec *codec)
{
struct hda_jack_tbl *jack;
int i, state;
/* update all jacks at first */
jack = codec->jacktbl.list;
for (i = 0; i < codec->jacktbl.used; i++, jack++)
if (jack->nid)
jack_detect_update(codec, jack);
/* report the updated jacks; it's done after updating all jacks
* to make sure that all gating jacks properly have been set
*/
jack = codec->jacktbl.list;
for (i = 0; i < codec->jacktbl.used; i++, jack++)
if (jack->nid) {
if (!jack->kctl || jack->block_report)
continue;
state = get_jack_plug_state(jack->pin_sense);
snd_kctl_jack_report(codec->bus->card, jack->kctl, state);
#ifdef CONFIG_SND_HDA_INPUT_JACK
if (jack->jack)
snd_jack_report(jack->jack,
state ? jack->type : 0);
#endif
}
}
/**
* snd_hda_jack_report_sync - sync the states of all jacks and report if changed
*/
void snd_hda_jack_report_sync(struct hda_codec *codec)
{
struct hda_jack_tbl *jack = codec->jacktbl.list;
int i, state;
for (i = 0; i < codec->jacktbl.used; i++, jack++)
if (jack->nid) {
jack_detect_update(codec, jack);
if (!jack->kctl)
continue;
state = get_jack_plug_state(jack->pin_sense);
snd_kctl_jack_report(codec->bus->card, jack->kctl, state);
#ifdef CONFIG_SND_HDA_INPUT_JACK
if (jack->jack)
snd_jack_report(jack->jack,
state ? jack->type : 0);
#endif
}
}
