+ /* Avoid updates if nothing changed */
+ if (chip->dev_sense == chip->irq_sense &&
+ chip->dev_sense == chip->irq_masked)
+ goto out;
+
+ chip->dev_sense = chip->irq_sense;
+ chip->dev_masked = chip->irq_masked;
+
+ if (chip->irq_masked & (1 << n)) {
+ sx150x_write_cfg(chip, n, 1, chip->dev_cfg->reg_irq_mask, 1);
+ sx150x_write_cfg(chip, n, 2, chip->dev_cfg->reg_sense, 0);
+ } else {
+ sx150x_write_cfg(chip, n, 1, chip->dev_cfg->reg_irq_mask, 0);
+ sx150x_write_cfg(chip, n, 2, chip->dev_cfg->reg_sense,
+ chip->irq_sense >> (n * 2));
+ }
+out: