/** * 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 } }