MT_TX_BAND_CFG
mt76_set(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_2G);
mt76_clear(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_5G);
mt76_clear(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_2G);
mt76_set(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_5G);
mt76_rmw_field(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_UPPER_40M,
return mt7601u_rmc(dev, MT_TX_BAND_CFG, 1, below);