+static int claro_dig_source_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ u16 old_reg, new_reg;
+ int changed;
+
+ mutex_lock(&chip->mutex);
+ old_reg = oxygen_read16(chip, OXYGEN_GPIO_DATA);
+ new_reg = old_reg & ~GPIO_CLARO_DIG_COAX;
+ if (value->value.enumerated.item[0])
+ new_reg |= GPIO_CLARO_DIG_COAX;
+ changed = new_reg != old_reg;
+ if (changed)
+ oxygen_write16(chip, OXYGEN_GPIO_DATA, new_reg);
+ mutex_unlock(&chip->mutex);
+ return changed;
+}
+