MTW_RF_BYPASS0
mtw_read(sc, MTW_RF_BYPASS0, &rfb);
mtw_write(sc, MTW_RF_BYPASS0, 0);
mtw_write(sc, MTW_RF_BYPASS0, 0x10);
mtw_write(sc, MTW_RF_BYPASS0, 0);
mtw_write(sc, MTW_RF_BYPASS0, rfb);