HW_VAR_CPWM
rtw_hal_get_hwreg(padapter, HW_VAR_CPWM, &cpwm_orig);
rtw_hal_get_hwreg(padapter, HW_VAR_CPWM, &cpwm_now);
case HW_VAR_CPWM:
rtw_hal_get_hwreg(padapter, HW_VAR_CPWM, &cpwm_orig);
rtw_hal_get_hwreg(padapter, HW_VAR_CPWM, &cpwm_now);