Source of ds1621.c - linux-imx - PHYTEC BitBucket (Stash)

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​
        data->last_updated = jiffies;
        data->valid = 1;
    }
​
    mutex_unlock(&data->update_lock);
​
    return data;
}
​
static ssize_t show_temp(struct device *dev, struct device_attribute *da,
static ssize_t temp_show(struct device *dev, struct device_attribute *da,
             char *buf)
{
    struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
    struct ds1621_data *data = ds1621_update_client(dev);
    return sprintf(buf, "%d\n",
               DS1621_TEMP_FROM_REG(data->temp[attr->index]));
}
​
static ssize_t set_temp(struct device *dev, struct device_attribute *da,
            const char *buf, size_t count)
static ssize_t temp_store(struct device *dev, struct device_attribute *da,
              const char *buf, size_t count)
{
    struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
    struct ds1621_data *data = dev_get_drvdata(dev);
    long val;
    int err;
​
    err = kstrtol(buf, 10, &val);
    if (err)
        return err;
​
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    return count;
}
​
static ssize_t alarms_show(struct device *dev, struct device_attribute *da,
               char *buf)
{
    struct ds1621_data *data = ds1621_update_client(dev);
    return sprintf(buf, "%d\n", ALARMS_FROM_REG(data->conf));
}
​
static ssize_t show_alarm(struct device *dev, struct device_attribute *da,
static ssize_t alarm_show(struct device *dev, struct device_attribute *da,
              char *buf)
{
    struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
    struct ds1621_data *data = ds1621_update_client(dev);
    return sprintf(buf, "%d\n", !!(data->conf & attr->index));
}
​
static ssize_t update_interval_show(struct device *dev,
                    struct device_attribute *da, char *buf)
{
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    data->update_interval = ds1721_convrates[resol];
    data->zbits = 7 - resol;
    mutex_unlock(&data->update_lock);
​
    return count;
}
​
static DEVICE_ATTR_RO(alarms);
static DEVICE_ATTR_RW(update_interval);
​
static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp, set_temp, 1);
static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp, set_temp, 2);
static SENSOR_DEVICE_ATTR(temp1_min_alarm, S_IRUGO, show_alarm, NULL,
        DS1621_ALARM_TEMP_LOW);
static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL,
        DS1621_ALARM_TEMP_HIGH);
static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0);
static SENSOR_DEVICE_ATTR_RW(temp1_min, temp, 1);
static SENSOR_DEVICE_ATTR_RW(temp1_max, temp, 2);
static SENSOR_DEVICE_ATTR_RO(temp1_min_alarm, alarm, DS1621_ALARM_TEMP_LOW);
static SENSOR_DEVICE_ATTR_RO(temp1_max_alarm, alarm, DS1621_ALARM_TEMP_HIGH);
​
static struct attribute *ds1621_attributes[] = {
    &sensor_dev_attr_temp1_input.dev_attr.attr,
    &sensor_dev_attr_temp1_min.dev_attr.attr,
    &sensor_dev_attr_temp1_max.dev_attr.attr,
    &sensor_dev_attr_temp1_min_alarm.dev_attr.attr,
    &sensor_dev_attr_temp1_max_alarm.dev_attr.attr,
    &dev_attr_alarms.attr,
    &dev_attr_update_interval.attr,
    NULL