hda_get_param
nodecnt = hda_get_param(sc, SUBORDINATE_NODE_COUNT);
sc->sc_p.afg_cap = hda_get_param(sc, AUDIO_FUNCTION_GROUP_CAPABILITIES);
sc->sc_p.stream_format = hda_get_param(sc, SUPPORTED_STREAM_FORMATS);
sc->sc_p.pcm_size_rate = hda_get_param(sc, SUPPORTED_PCM_SIZE_RATES);
sc->sc_p.outamp_cap = hda_get_param(sc, AMPLIFIER_CAPABILITIES_OUTAMP);
sc->sc_p.inamp_cap = hda_get_param(sc, AMPLIFIER_CAPABILITIES_INAMP);
sc->sc_p.power_states = hda_get_param(sc, SUPPORTED_POWER_STATES);
sc->sc_p.gpio_cnt = hda_get_param(sc, GPIO_COUNT);