IWM_FW_PHY_CFG_TX_CHAIN_POS
IWM_FW_PHY_CFG_TX_CHAIN_POS;
phy_config |= valid_tx_ant << IWM_FW_PHY_CFG_TX_CHAIN_POS |
#define IWM_FW_PHY_CFG_TX_CHAIN (0xf << IWM_FW_PHY_CFG_TX_CHAIN_POS)