hpi_control_param_get
hpi_control_param_get(h, a, 0, 0, p1, NULL)
hpi_control_param_get(h, a, 0, 0, p1, p2)
return hpi_control_param_get(h_control, HPI_COMPANDER_ATTACK, 0,
return hpi_control_param_get(h_control, HPI_COMPANDER_DECAY, 0, index,
return hpi_control_param_get(h_control, HPI_COMPANDER_RATIO, 0, index,
return hpi_control_param_get(h_control, HPI_TONEDETECTOR_FREQUENCY,
return hpi_control_param_get(h_control, HPI_TUNER_MODE, mode, 0,