AR_PHY_SPECTRAL_SCAN_ENA
OS_REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val | AR_PHY_SPECTRAL_SCAN_ENA);
return MS(val,AR_PHY_SPECTRAL_SCAN_ENA);
val |= AR_PHY_SPECTRAL_SCAN_ENA;
val &= ~AR_PHY_SPECTRAL_SCAN_ENA;