Source of lm80.c - linux-imx - PHYTEC BitBucket (Stash)

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done:
    mutex_unlock(&data->update_lock);
​
    return ret;
}
​
/*
 * Sysfs stuff
 */
​
static ssize_t show_in(struct device *dev, struct device_attribute *attr,
static ssize_t in_show(struct device *dev, struct device_attribute *attr,
               char *buf)
{
    struct lm80_data *data = lm80_update_device(dev);
    int index = to_sensor_dev_attr_2(attr)->index;
    int nr = to_sensor_dev_attr_2(attr)->nr;
​
    if (IS_ERR(data))
        return PTR_ERR(data);
    return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr][index]));
}
​
static ssize_t set_in(struct device *dev, struct device_attribute *attr,
              const char *buf, size_t count)
static ssize_t in_store(struct device *dev, struct device_attribute *attr,
            const char *buf, size_t count)
{
    struct lm80_data *data = dev_get_drvdata(dev);
    struct i2c_client *client = data->client;
    int index = to_sensor_dev_attr_2(attr)->index;
    int nr = to_sensor_dev_attr_2(attr)->nr;
    long val;
    u8 reg;
    int err = kstrtol(buf, 10, &val);
    if (err < 0)
        return err;
​
    reg = nr == i_min ? LM80_REG_IN_MIN(index) : LM80_REG_IN_MAX(index);
​
    mutex_lock(&data->update_lock);
    data->in[nr][index] = IN_TO_REG(val);
    lm80_write_value(client, reg, data->in[nr][index]);
    mutex_unlock(&data->update_lock);
    return count;
}
​
static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
static ssize_t fan_show(struct device *dev, struct device_attribute *attr,
            char *buf)
{
    int index = to_sensor_dev_attr_2(attr)->index;
    int nr = to_sensor_dev_attr_2(attr)->nr;
    struct lm80_data *data = lm80_update_device(dev);
    if (IS_ERR(data))
        return PTR_ERR(data);
    return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr][index],
               DIV_FROM_REG(data->fan_div[index])));
}
​
static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
    char *buf)
static ssize_t fan_div_show(struct device *dev, struct device_attribute *attr,
                char *buf)
{
    int nr = to_sensor_dev_attr(attr)->index;
    struct lm80_data *data = lm80_update_device(dev);
    if (IS_ERR(data))
        return PTR_ERR(data);
    return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]));
}
​
static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
    const char *buf, size_t count)
static ssize_t fan_store(struct device *dev, struct device_attribute *attr,
             const char *buf, size_t count)
{
    int index = to_sensor_dev_attr_2(attr)->index;
    int nr = to_sensor_dev_attr_2(attr)->nr;
    struct lm80_data *data = dev_get_drvdata(dev);
    struct i2c_client *client = data->client;
    unsigned long val;
    int err = kstrtoul(buf, 10, &val);
    if (err < 0)
        return err;
​
Show more
    mutex_unlock(&data->update_lock);
    return count;
}
​
/*
 * Note: we save and restore the fan minimum here, because its value is
 * determined in part by the fan divisor.  This follows the principle of
 * least surprise; the user doesn't expect the fan minimum to change just
 * because the divisor changed.
 */
static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
    const char *buf, size_t count)
static ssize_t fan_div_store(struct device *dev,
                 struct device_attribute *attr, const char *buf,
                 size_t count)
{
    int nr = to_sensor_dev_attr(attr)->index;
    struct lm80_data *data = dev_get_drvdata(dev);
    struct i2c_client *client = data->client;
    unsigned long min, val;
    u8 reg;
    int rv;
​
    rv = kstrtoul(buf, 10, &val);
    if (rv < 0)
Show more
​
    /* Restore fan_min */
    data->fan[f_min][nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
    lm80_write_value(client, LM80_REG_FAN_MIN(nr + 1),
             data->fan[f_min][nr]);
    mutex_unlock(&data->update_lock);
​
    return count;
}
​
static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
static ssize_t temp_show(struct device *dev, struct device_attribute *devattr,
             char *buf)
{
    struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
    struct lm80_data *data = lm80_update_device(dev);
    if (IS_ERR(data))
        return PTR_ERR(data);
    return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index]));
}
​
static ssize_t set_temp(struct device *dev, struct device_attribute *devattr,
            const char *buf, size_t count)
static ssize_t temp_store(struct device *dev,
              struct device_attribute *devattr, const char *buf,
              size_t count)
{
    struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
    struct lm80_data *data = dev_get_drvdata(dev);
    struct i2c_client *client = data->client;
    int nr = attr->index;
    long val;
    int err = kstrtol(buf, 10, &val);
    if (err < 0)
        return err;
​
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​
static ssize_t alarms_show(struct device *dev, struct device_attribute *attr,
               char *buf)
{
    struct lm80_data *data = lm80_update_device(dev);
    if (IS_ERR(data))
        return PTR_ERR(data);
    return sprintf(buf, "%u\n", data->alarms);
}
​
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 lm80_data *data = lm80_update_device(dev);
    if (IS_ERR(data))
        return PTR_ERR(data);
    return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
}
​
static SENSOR_DEVICE_ATTR_2(in0_min, S_IWUSR | S_IRUGO,
        show_in, set_in, i_min, 0);
static SENSOR_DEVICE_ATTR_2(in1_min, S_IWUSR | S_IRUGO,
        show_in, set_in, i_min, 1);
static SENSOR_DEVICE_ATTR_2(in2_min, S_IWUSR | S_IRUGO,
        show_in, set_in, i_min, 2);
static SENSOR_DEVICE_ATTR_2(in3_min, S_IWUSR | S_IRUGO,
        show_in, set_in, i_min, 3);
static SENSOR_DEVICE_ATTR_2(in4_min, S_IWUSR | S_IRUGO,
        show_in, set_in, i_min, 4);
static SENSOR_DEVICE_ATTR_2(in5_min, S_IWUSR | S_IRUGO,
        show_in, set_in, i_min, 5);
static SENSOR_DEVICE_ATTR_2(in6_min, S_IWUSR | S_IRUGO,
        show_in, set_in, i_min, 6);
static SENSOR_DEVICE_ATTR_2(in0_max, S_IWUSR | S_IRUGO,
        show_in, set_in, i_max, 0);
static SENSOR_DEVICE_ATTR_2(in1_max, S_IWUSR | S_IRUGO,
        show_in, set_in, i_max, 1);
static SENSOR_DEVICE_ATTR_2(in2_max, S_IWUSR | S_IRUGO,
        show_in, set_in, i_max, 2);
static SENSOR_DEVICE_ATTR_2(in3_max, S_IWUSR | S_IRUGO,
        show_in, set_in, i_max, 3);
static SENSOR_DEVICE_ATTR_2(in4_max, S_IWUSR | S_IRUGO,
        show_in, set_in, i_max, 4);
static SENSOR_DEVICE_ATTR_2(in5_max, S_IWUSR | S_IRUGO,
        show_in, set_in, i_max, 5);
static SENSOR_DEVICE_ATTR_2(in6_max, S_IWUSR | S_IRUGO,
        show_in, set_in, i_max, 6);
static SENSOR_DEVICE_ATTR_2(in0_input, S_IRUGO, show_in, NULL, i_input, 0);
static SENSOR_DEVICE_ATTR_2(in1_input, S_IRUGO, show_in, NULL, i_input, 1);
static SENSOR_DEVICE_ATTR_2(in2_input, S_IRUGO, show_in, NULL, i_input, 2);
static SENSOR_DEVICE_ATTR_2(in3_input, S_IRUGO, show_in, NULL, i_input, 3);
static SENSOR_DEVICE_ATTR_2(in4_input, S_IRUGO, show_in, NULL, i_input, 4);
static SENSOR_DEVICE_ATTR_2(in5_input, S_IRUGO, show_in, NULL, i_input, 5);
static SENSOR_DEVICE_ATTR_2(in6_input, S_IRUGO, show_in, NULL, i_input, 6);
static SENSOR_DEVICE_ATTR_2(fan1_min, S_IWUSR | S_IRUGO,
        show_fan, set_fan_min, f_min, 0);
static SENSOR_DEVICE_ATTR_2(fan2_min, S_IWUSR | S_IRUGO,
        show_fan, set_fan_min, f_min, 1);
static SENSOR_DEVICE_ATTR_2(fan1_input, S_IRUGO, show_fan, NULL, f_input, 0);
static SENSOR_DEVICE_ATTR_2(fan2_input, S_IRUGO, show_fan, NULL, f_input, 1);
static SENSOR_DEVICE_ATTR(fan1_div, S_IWUSR | S_IRUGO,
        show_fan_div, set_fan_div, 0);
static SENSOR_DEVICE_ATTR(fan2_div, S_IWUSR | S_IRUGO,
        show_fan_div, set_fan_div, 1);
static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, t_input);
static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp,
        set_temp, t_hot_max);
static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO, show_temp,
        set_temp, t_hot_hyst);
static SENSOR_DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_temp,
        set_temp, t_os_max);
static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temp,
        set_temp, t_os_hyst);
static SENSOR_DEVICE_ATTR_2_RW(in0_min, in, i_min, 0);
static SENSOR_DEVICE_ATTR_2_RW(in1_min, in, i_min, 1);
static SENSOR_DEVICE_ATTR_2_RW(in2_min, in, i_min, 2);
static SENSOR_DEVICE_ATTR_2_RW(in3_min, in, i_min, 3);
static SENSOR_DEVICE_ATTR_2_RW(in4_min, in, i_min, 4);
static SENSOR_DEVICE_ATTR_2_RW(in5_min, in, i_min, 5);
static SENSOR_DEVICE_ATTR_2_RW(in6_min, in, i_min, 6);
static SENSOR_DEVICE_ATTR_2_RW(in0_max, in, i_max, 0);
static SENSOR_DEVICE_ATTR_2_RW(in1_max, in, i_max, 1);
static SENSOR_DEVICE_ATTR_2_RW(in2_max, in, i_max, 2);
static SENSOR_DEVICE_ATTR_2_RW(in3_max, in, i_max, 3);
static SENSOR_DEVICE_ATTR_2_RW(in4_max, in, i_max, 4);
static SENSOR_DEVICE_ATTR_2_RW(in5_max, in, i_max, 5);
static SENSOR_DEVICE_ATTR_2_RW(in6_max, in, i_max, 6);
static SENSOR_DEVICE_ATTR_2_RO(in0_input, in, i_input, 0);
static SENSOR_DEVICE_ATTR_2_RO(in1_input, in, i_input, 1);
static SENSOR_DEVICE_ATTR_2_RO(in2_input, in, i_input, 2);
static SENSOR_DEVICE_ATTR_2_RO(in3_input, in, i_input, 3);
static SENSOR_DEVICE_ATTR_2_RO(in4_input, in, i_input, 4);
static SENSOR_DEVICE_ATTR_2_RO(in5_input, in, i_input, 5);
static SENSOR_DEVICE_ATTR_2_RO(in6_input, in, i_input, 6);
static SENSOR_DEVICE_ATTR_2_RW(fan1_min, fan, f_min, 0);
static SENSOR_DEVICE_ATTR_2_RW(fan2_min, fan, f_min, 1);
static SENSOR_DEVICE_ATTR_2_RO(fan1_input, fan, f_input, 0);
static SENSOR_DEVICE_ATTR_2_RO(fan2_input, fan, f_input, 1);
static SENSOR_DEVICE_ATTR_RW(fan1_div, fan_div, 0);
static SENSOR_DEVICE_ATTR_RW(fan2_div, fan_div, 1);
static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, t_input);
static SENSOR_DEVICE_ATTR_RW(temp1_max, temp, t_hot_max);
static SENSOR_DEVICE_ATTR_RW(temp1_max_hyst, temp, t_hot_hyst);
static SENSOR_DEVICE_ATTR_RW(temp1_crit, temp, t_os_max);
static SENSOR_DEVICE_ATTR_RW(temp1_crit_hyst, temp, t_os_hyst);
static DEVICE_ATTR_RO(alarms);
static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 4);
static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 5);
static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 6);
static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 10);
static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 11);
static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, 8);
static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, 13);
static SENSOR_DEVICE_ATTR_RO(in0_alarm, alarm, 0);
static SENSOR_DEVICE_ATTR_RO(in1_alarm, alarm, 1);
static SENSOR_DEVICE_ATTR_RO(in2_alarm, alarm, 2);
static SENSOR_DEVICE_ATTR_RO(in3_alarm, alarm, 3);
static SENSOR_DEVICE_ATTR_RO(in4_alarm, alarm, 4);
static SENSOR_DEVICE_ATTR_RO(in5_alarm, alarm, 5);
static SENSOR_DEVICE_ATTR_RO(in6_alarm, alarm, 6);
static SENSOR_DEVICE_ATTR_RO(fan1_alarm, alarm, 10);
static SENSOR_DEVICE_ATTR_RO(fan2_alarm, alarm, 11);
static SENSOR_DEVICE_ATTR_RO(temp1_max_alarm, alarm, 8);
static SENSOR_DEVICE_ATTR_RO(temp1_crit_alarm, alarm, 13);
​
/*
 * Real code
 */
​
static struct attribute *lm80_attrs[] = {
    &sensor_dev_attr_in0_min.dev_attr.attr,
    &sensor_dev_attr_in1_min.dev_attr.attr,
    &sensor_dev_attr_in2_min.dev_attr.attr,
    &sensor_dev_attr_in3_min.dev_attr.attr,