Source of max6642.c - linux-imx - PHYTEC BitBucket (Stash)

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​
    mutex_unlock(&data->update_lock);
​
    return data;
}
​
/*
 * Sysfs stuff
 */
​
static ssize_t show_temp_max10(struct device *dev,
static ssize_t temp_max10_show(struct device *dev,
                   struct device_attribute *dev_attr, char *buf)
{
    struct sensor_device_attribute *attr = to_sensor_dev_attr(dev_attr);
    struct max6642_data *data = max6642_update_device(dev);
​
    return sprintf(buf, "%d\n",
               temp_from_reg10(data->temp_input[attr->index]));
}
​
static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
                 char *buf)
static ssize_t temp_max_show(struct device *dev,
                 struct device_attribute *attr, char *buf)
{
    struct sensor_device_attribute_2 *attr2 = to_sensor_dev_attr_2(attr);
    struct max6642_data *data = max6642_update_device(dev);
​
    return sprintf(buf, "%d\n", temp_from_reg(data->temp_high[attr2->nr]));
}
​
static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
                const char *buf, size_t count)
static ssize_t temp_max_store(struct device *dev,
                  struct device_attribute *attr, const char *buf,
                  size_t count)
{
    struct sensor_device_attribute_2 *attr2 = to_sensor_dev_attr_2(attr);
    struct max6642_data *data = dev_get_drvdata(dev);
    unsigned long val;
    int err;
​
    err = kstrtoul(buf, 10, &val);
    if (err < 0)
        return err;
​
    mutex_lock(&data->update_lock);
    data->temp_high[attr2->nr] = clamp_val(temp_to_reg(val), 0, 255);
    i2c_smbus_write_byte_data(data->client, attr2->index,
                  data->temp_high[attr2->nr]);
    mutex_unlock(&data->update_lock);
    return count;
}
​
static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
static ssize_t alarm_show(struct device *dev, struct device_attribute *attr,
              char *buf)
{
    int bitnr = to_sensor_dev_attr(attr)->index;
    struct max6642_data *data = max6642_update_device(dev);
    return sprintf(buf, "%d\n", (data->alarms >> bitnr) & 1);
}
​
static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp_max10, NULL, 0);
static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp_max10, NULL, 1);
static SENSOR_DEVICE_ATTR_2(temp1_max, S_IWUSR | S_IRUGO, show_temp_max,
                set_temp_max, 0, MAX6642_REG_W_LOCAL_HIGH);
static SENSOR_DEVICE_ATTR_2(temp2_max, S_IWUSR | S_IRUGO, show_temp_max,
                set_temp_max, 1, MAX6642_REG_W_REMOTE_HIGH);
static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_alarm, NULL, 2);
static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, 6);
static SENSOR_DEVICE_ATTR(temp2_max_alarm, S_IRUGO, show_alarm, NULL, 4);
static SENSOR_DEVICE_ATTR_RO(temp1_input, temp_max10, 0);
static SENSOR_DEVICE_ATTR_RO(temp2_input, temp_max10, 1);
static SENSOR_DEVICE_ATTR_2_RW(temp1_max, temp_max, 0,
                   MAX6642_REG_W_LOCAL_HIGH);
static SENSOR_DEVICE_ATTR_2_RW(temp2_max, temp_max, 1,
                   MAX6642_REG_W_REMOTE_HIGH);
static SENSOR_DEVICE_ATTR_RO(temp2_fault, alarm, 2);
static SENSOR_DEVICE_ATTR_RO(temp1_max_alarm, alarm, 6);
static SENSOR_DEVICE_ATTR_RO(temp2_max_alarm, alarm, 4);
​
static struct attribute *max6642_attrs[] = {
    &sensor_dev_attr_temp1_input.dev_attr.attr,
    &sensor_dev_attr_temp2_input.dev_attr.attr,
    &sensor_dev_attr_temp1_max.dev_attr.attr,
    &sensor_dev_attr_temp2_max.dev_attr.attr,
​
    &sensor_dev_attr_temp2_fault.dev_attr.attr,
    &sensor_dev_attr_temp1_max_alarm.dev_attr.attr,
    &sensor_dev_attr_temp2_max_alarm.dev_attr.attr,