wlc_phy_txpower_sromlimit
wlc_phy_txpower_sromlimit((struct brcms_phy_pub *) pi,
wlc_phy_txpower_sromlimit(ppi, channel, &min_pwr, &max_pwr,
void wlc_phy_txpower_sromlimit(struct brcms_phy_pub *ppi, uint chan, u8 *_min_,