MASK_17
if (0 != (isr & (MASK_16|MASK_17))) {
SAA7146_IER_DISABLE(dev, MASK_16|MASK_17);
isr &= ~(MASK_16|MASK_17);
SAA7146_ISR_CLEAR(dev, MASK_16|MASK_17);
SAA7146_IER_ENABLE(dev, MASK_16|MASK_17);
SAA7146_IER_DISABLE(dev, MASK_16|MASK_17);
SAA7146_ISR_CLEAR(dev, MASK_16|MASK_17);