CDC_WSA_EC_HQ0_EC_REF_HQ_PATH_CTL
ec_hq_reg = CDC_WSA_EC_HQ0_EC_REF_HQ_PATH_CTL + 0x40 * ec_tx;
{ CDC_WSA_EC_HQ0_EC_REF_HQ_PATH_CTL, 0x00},
case CDC_WSA_EC_HQ0_EC_REF_HQ_PATH_CTL: