CHT_WC_EXTCHGRIRQ_ADAP_IRQMASK
adap->old_irq_mask = adap->irq_mask = ~CHT_WC_EXTCHGRIRQ_ADAP_IRQMASK;
if (reg & CHT_WC_EXTCHGRIRQ_ADAP_IRQMASK) {
if (reg & CHT_WC_EXTCHGRIRQ_ADAP_IRQMASK)