REG_C2HEVT
rtw_write8(rtwdev, REG_C2HEVT, C2H_HW_FEATURE_DUMP);
id = rtw_read8(rtwdev, REG_C2HEVT);
hw_feature[i] = rtw_read8(rtwdev, REG_C2HEVT + 2 + i);
rtw_write8(rtwdev, REG_C2HEVT, 0);