HW_VAR_DL_BCN_SEL
rtw_hal_set_hwreg(padapter, HW_VAR_DL_BCN_SEL, NULL);
rtw_hal_set_hwreg(padapter, HW_VAR_DL_BCN_SEL, NULL);
rtw_hal_set_hwreg(padapter, HW_VAR_DL_BCN_SEL, NULL);
rtw_hal_set_hwreg(padapter, HW_VAR_DL_BCN_SEL, NULL);
case HW_VAR_DL_BCN_SEL: