mt76x0_rf_rr
rf_b7_73 = mt76x0_rf_rr(dev, MT_RF(7, 73));
rf_b0_66 = mt76x0_rf_rr(dev, MT_RF(0, 66));
rf_b0_67 = mt76x0_rf_rr(dev, MT_RF(0, 67));
mt76x0_rf_rr(dev, MT_RF(0, 22));
ret = mt76x0_rf_rr(dev, offset);