BWN_PHY_LO_CTL
backup_phy[12] = BWN_PHY_READ(mac, BWN_PHY_LO_CTL);
BWN_PHY_WRITE(mac, BWN_PHY_LO_CTL, 0);
BWN_PHY_WRITE(mac, BWN_PHY_LO_CTL, backup_phy[12]);
loctl = BWN_PHY_READ(mac, BWN_PHY_LO_CTL);
BWN_PHY_WRITE(mac, BWN_PHY_LO_CTL, 0);
BWN_PHY_WRITE(mac, BWN_PHY_LO_CTL, loctl);
BWN_PHY_WRITE(mac, BWN_PHY_LO_CTL, value);