NETWORK_HAS_POWER_CONSTRAINT  521 drivers/net/wireless/intel/ipw2x00/libipw.h #define NETWORK_HAS_POWER_CONSTRAINT    (1<<5)
NETWORK_HAS_POWER_CONSTRAINT 1084 drivers/staging/rtl8192u/ieee80211/ieee80211.h #define NETWORK_HAS_POWER_CONSTRAINT    (1<<5)