AR_PHY_CH2_MINCCA_PWR_S  582 drivers/net/wireless/ath/ath9k/ar9002_phy.h #define AR_PHY_CH2_MINCCA_PWR_S 19
AR_PHY_CH2_MINCCA_PWR_S 1022 drivers/net/wireless/ath/ath9k/ar9003_phy.h #define AR_PHY_CH2_MINCCA_PWR_S 20