WLAN_CAPABILITY_CF_POLLABLE  581 drivers/staging/rtl8192u/ieee80211/ieee80211.h #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
WLAN_CAPABILITY_CF_POLLABLE  291 drivers/staging/rtl8712/ieee80211.h #define WLAN_CAPABILITY_CF_POLLABLE BIT(2)
WLAN_CAPABILITY_CF_POLLABLE 2156 include/linux/ieee80211.h #define WLAN_CAPABILITY_CF_POLLABLE	(1<<2)