LAS0_IT
writew(0, dev->mmio + LAS0_IT);
status = readw(dev->mmio + LAS0_IT);
status = readw(dev->mmio + LAS0_IT);
writew(0, dev->mmio + LAS0_IT);
writew(IRQM_ADC_ABOUT_CNT, dev->mmio + LAS0_IT);
writew(0, dev->mmio + LAS0_IT);