AR_PHY_EXT_CCA    336 drivers/net/wireless/ath/ath9k/ar9002_phy.h #define AR_PHY_EXT_CCA                  0x99bc
AR_PHY_EXT_CCA     73 drivers/net/wireless/ath/ath9k/ar9003_phy.h #define AR_PHY_EXT_CCA              (AR_CHAN_BASE + 0x30)