RF_TX_GAIN_OFFSET
rtw_write_rf(rtwdev, path, RF_TX_GAIN_OFFSET, BIT_RF_GAIN, 0x0);
rtw_write_rf(rtwdev, path, RF_TX_GAIN_OFFSET, BIT_BB_GAIN, 0x0);
rtw_write_rf(rtwdev, path, RF_TX_GAIN_OFFSET, BIT_RF_GAIN, 0x1);