AR_PHY_CH1_MINCCA_PWR  575 drivers/net/wireless/ath/ath9k/ar9002_phy.h #define AR_PHY_CH1_MINCCA_PWR   0x0FF80000
AR_PHY_CH1_MINCCA_PWR  960 drivers/net/wireless/ath/ath9k/ar9003_phy.h #define AR_PHY_CH1_MINCCA_PWR   0x1FF00000