ABX8XX_OSC_ACAL_512
flags &= ~(ABX8XX_OSC_ACAL_512 | ABX8XX_OSC_ACAL_1024);
flags &= ~(ABX8XX_OSC_ACAL_512);
flags |= (ABX8XX_OSC_ACAL_1024 | ABX8XX_OSC_ACAL_512);
if (flags & ABX8XX_OSC_ACAL_512)