RXON_RX_CHAIN_VALID_POS  554 drivers/net/wireless/intel/iwlegacy/commands.h #define RXON_RX_CHAIN_VALID_POS			(1)
RXON_RX_CHAIN_VALID_POS  512 drivers/net/wireless/intel/iwlwifi/dvm/commands.h #define RXON_RX_CHAIN_VALID_POS			(1)