CS4231_MCE
chip->mce_bit &= ~CS4231_MCE;
if ((timeout & CS4231_MCE) == 0 ||
chip->mce_bit |= CS4231_MCE;
if (!(timeout & CS4231_MCE))
chip->mce_bit &= ~CS4231_MCE;
if ((timeout & CS4231_MCE) == 0 || !(chip->hardware & hw_mask))
chip->mce_bit |= CS4231_MCE;
if (!(timeout & CS4231_MCE))
chip->mce_bit &= ~CS4231_MCE;
if ((reg & CS4231_MCE) == 0) {