AR_PHY_SPECTRAL_SCAN_FFT_PERIOD_S  175 drivers/net/wireless/ath/ath9k/ar9002_phy.h #define AR_PHY_SPECTRAL_SCAN_FFT_PERIOD_S	4
AR_PHY_SPECTRAL_SCAN_FFT_PERIOD_S  872 drivers/net/wireless/ath/ath9k/ar9003_phy.h #define AR_PHY_SPECTRAL_SCAN_FFT_PERIOD_S     4