MT_TX_ALC_CFG_0_CH_INIT_0
cur_power = mt76_rr(dev, MT_TX_ALC_CFG_0) & MT_TX_ALC_CFG_0_CH_INIT_0;
mt76_rmw_field(dev, MT_TX_ALC_CFG_0, MT_TX_ALC_CFG_0_CH_INIT_0, txp_0);