CE4100_SSCR1_RFT
chip->threshold = (CE4100_SSCR1_RxTresh(rx_thres) & CE4100_SSCR1_RFT) |
mask = CE4100_SSCR1_RFT;
| CE4100_SSCR1_RFT | CE4100_SSCR1_TFT | SSCR1_MWDS \
mask |= CE4100_SSCR1_RFT;