Source of max16065.c - linux-imx - PHYTEC BitBucket (Stash)

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            data->fault[i]
              = i2c_smbus_read_byte_data(client, MAX16065_FAULT(i));
​
        data->last_updated = jiffies;
        data->valid = 1;
    }
    mutex_unlock(&data->update_lock);
    return data;
}
​
static ssize_t max16065_show_alarm(struct device *dev,
static ssize_t max16065_alarm_show(struct device *dev,
                   struct device_attribute *da, char *buf)
{
    struct sensor_device_attribute_2 *attr2 = to_sensor_dev_attr_2(da);
    struct max16065_data *data = max16065_update_device(dev);
    int val = data->fault[attr2->nr];
​
    if (val < 0)
        return val;
​
    val &= (1 << attr2->index);
    if (val)
        i2c_smbus_write_byte_data(data->client,
                      MAX16065_FAULT(attr2->nr), val);
​
    return snprintf(buf, PAGE_SIZE, "%d\n", !!val);
}
​
static ssize_t max16065_show_input(struct device *dev,
static ssize_t max16065_input_show(struct device *dev,
                   struct device_attribute *da, char *buf)
{
    struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
    struct max16065_data *data = max16065_update_device(dev);
    int adc = data->adc[attr->index];
​
    if (unlikely(adc < 0))
        return adc;
​
    return snprintf(buf, PAGE_SIZE, "%d\n",
            ADC_TO_MV(adc, data->range[attr->index]));
}
​
static ssize_t max16065_show_current(struct device *dev,
static ssize_t max16065_current_show(struct device *dev,
                     struct device_attribute *da, char *buf)
{
    struct max16065_data *data = max16065_update_device(dev);
​
    if (unlikely(data->curr_sense < 0))
        return data->curr_sense;
​
    return snprintf(buf, PAGE_SIZE, "%d\n",
            ADC_TO_CURR(data->curr_sense, data->curr_gain));
}
​
static ssize_t max16065_set_limit(struct device *dev,
                  struct device_attribute *da,
                  const char *buf, size_t count)
static ssize_t max16065_limit_store(struct device *dev,
                    struct device_attribute *da,
                    const char *buf, size_t count)
{
    struct sensor_device_attribute_2 *attr2 = to_sensor_dev_attr_2(da);
    struct max16065_data *data = dev_get_drvdata(dev);
    unsigned long val;
    int err;
    int limit;
​
    err = kstrtoul(buf, 10, &val);
    if (unlikely(err < 0))
        return err;
Show more
    data->limit[attr2->nr][attr2->index]
      = LIMIT_TO_MV(limit, data->range[attr2->index]);
    i2c_smbus_write_byte_data(data->client,
                  MAX16065_LIMIT(attr2->nr, attr2->index),
                  limit);
    mutex_unlock(&data->update_lock);
​
    return count;
}
​
static ssize_t max16065_show_limit(struct device *dev,
static ssize_t max16065_limit_show(struct device *dev,
                   struct device_attribute *da, char *buf)
{
    struct sensor_device_attribute_2 *attr2 = to_sensor_dev_attr_2(da);
    struct max16065_data *data = dev_get_drvdata(dev);
​
    return snprintf(buf, PAGE_SIZE, "%d\n",
            data->limit[attr2->nr][attr2->index]);
}
​
/* Construct a sensor_device_attribute structure for each register */
​
/* Input voltages */
static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, max16065_show_input, NULL, 0);
static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, max16065_show_input, NULL, 1);
static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, max16065_show_input, NULL, 2);
static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, max16065_show_input, NULL, 3);
static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, max16065_show_input, NULL, 4);
static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, max16065_show_input, NULL, 5);
static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, max16065_show_input, NULL, 6);
static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, max16065_show_input, NULL, 7);
static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, max16065_show_input, NULL, 8);
static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, max16065_show_input, NULL, 9);
static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, max16065_show_input, NULL, 10);
static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, max16065_show_input, NULL, 11);
static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, max16065_show_input, NULL, 12);
static SENSOR_DEVICE_ATTR_RO(in0_input, max16065_input, 0);
static SENSOR_DEVICE_ATTR_RO(in1_input, max16065_input, 1);
static SENSOR_DEVICE_ATTR_RO(in2_input, max16065_input, 2);
static SENSOR_DEVICE_ATTR_RO(in3_input, max16065_input, 3);
static SENSOR_DEVICE_ATTR_RO(in4_input, max16065_input, 4);
static SENSOR_DEVICE_ATTR_RO(in5_input, max16065_input, 5);
static SENSOR_DEVICE_ATTR_RO(in6_input, max16065_input, 6);
static SENSOR_DEVICE_ATTR_RO(in7_input, max16065_input, 7);
static SENSOR_DEVICE_ATTR_RO(in8_input, max16065_input, 8);
static SENSOR_DEVICE_ATTR_RO(in9_input, max16065_input, 9);
static SENSOR_DEVICE_ATTR_RO(in10_input, max16065_input, 10);
static SENSOR_DEVICE_ATTR_RO(in11_input, max16065_input, 11);
static SENSOR_DEVICE_ATTR_RO(in12_input, max16065_input, 12);
​
/* Input voltages lcrit */
static SENSOR_DEVICE_ATTR_2(in0_lcrit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 2, 0);
static SENSOR_DEVICE_ATTR_2(in1_lcrit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 2, 1);
static SENSOR_DEVICE_ATTR_2(in2_lcrit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 2, 2);
static SENSOR_DEVICE_ATTR_2(in3_lcrit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 2, 3);
static SENSOR_DEVICE_ATTR_2(in4_lcrit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 2, 4);
static SENSOR_DEVICE_ATTR_2(in5_lcrit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 2, 5);
static SENSOR_DEVICE_ATTR_2(in6_lcrit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 2, 6);
static SENSOR_DEVICE_ATTR_2(in7_lcrit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 2, 7);
static SENSOR_DEVICE_ATTR_2(in8_lcrit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 2, 8);
static SENSOR_DEVICE_ATTR_2(in9_lcrit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 2, 9);
static SENSOR_DEVICE_ATTR_2(in10_lcrit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 2, 10);
static SENSOR_DEVICE_ATTR_2(in11_lcrit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 2, 11);
static SENSOR_DEVICE_ATTR_2_RW(in0_lcrit, max16065_limit, 2, 0);
static SENSOR_DEVICE_ATTR_2_RW(in1_lcrit, max16065_limit, 2, 1);
static SENSOR_DEVICE_ATTR_2_RW(in2_lcrit, max16065_limit, 2, 2);
static SENSOR_DEVICE_ATTR_2_RW(in3_lcrit, max16065_limit, 2, 3);
static SENSOR_DEVICE_ATTR_2_RW(in4_lcrit, max16065_limit, 2, 4);
static SENSOR_DEVICE_ATTR_2_RW(in5_lcrit, max16065_limit, 2, 5);
static SENSOR_DEVICE_ATTR_2_RW(in6_lcrit, max16065_limit, 2, 6);
static SENSOR_DEVICE_ATTR_2_RW(in7_lcrit, max16065_limit, 2, 7);
static SENSOR_DEVICE_ATTR_2_RW(in8_lcrit, max16065_limit, 2, 8);
static SENSOR_DEVICE_ATTR_2_RW(in9_lcrit, max16065_limit, 2, 9);
static SENSOR_DEVICE_ATTR_2_RW(in10_lcrit, max16065_limit, 2, 10);
static SENSOR_DEVICE_ATTR_2_RW(in11_lcrit, max16065_limit, 2, 11);
​
/* Input voltages crit */
static SENSOR_DEVICE_ATTR_2(in0_crit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 1, 0);
static SENSOR_DEVICE_ATTR_2(in1_crit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 1, 1);
static SENSOR_DEVICE_ATTR_2(in2_crit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 1, 2);
static SENSOR_DEVICE_ATTR_2(in3_crit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 1, 3);
static SENSOR_DEVICE_ATTR_2(in4_crit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 1, 4);
static SENSOR_DEVICE_ATTR_2(in5_crit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 1, 5);
static SENSOR_DEVICE_ATTR_2(in6_crit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 1, 6);
static SENSOR_DEVICE_ATTR_2(in7_crit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 1, 7);
static SENSOR_DEVICE_ATTR_2(in8_crit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 1, 8);
static SENSOR_DEVICE_ATTR_2(in9_crit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 1, 9);
static SENSOR_DEVICE_ATTR_2(in10_crit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 1, 10);
static SENSOR_DEVICE_ATTR_2(in11_crit, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 1, 11);
static SENSOR_DEVICE_ATTR_2_RW(in0_crit, max16065_limit, 1, 0);
static SENSOR_DEVICE_ATTR_2_RW(in1_crit, max16065_limit, 1, 1);
static SENSOR_DEVICE_ATTR_2_RW(in2_crit, max16065_limit, 1, 2);
static SENSOR_DEVICE_ATTR_2_RW(in3_crit, max16065_limit, 1, 3);
static SENSOR_DEVICE_ATTR_2_RW(in4_crit, max16065_limit, 1, 4);
static SENSOR_DEVICE_ATTR_2_RW(in5_crit, max16065_limit, 1, 5);
static SENSOR_DEVICE_ATTR_2_RW(in6_crit, max16065_limit, 1, 6);
static SENSOR_DEVICE_ATTR_2_RW(in7_crit, max16065_limit, 1, 7);
static SENSOR_DEVICE_ATTR_2_RW(in8_crit, max16065_limit, 1, 8);
static SENSOR_DEVICE_ATTR_2_RW(in9_crit, max16065_limit, 1, 9);
static SENSOR_DEVICE_ATTR_2_RW(in10_crit, max16065_limit, 1, 10);
static SENSOR_DEVICE_ATTR_2_RW(in11_crit, max16065_limit, 1, 11);
​
/* Input voltages min */
static SENSOR_DEVICE_ATTR_2(in0_min, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 0);
static SENSOR_DEVICE_ATTR_2(in1_min, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 1);
static SENSOR_DEVICE_ATTR_2(in2_min, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 2);
static SENSOR_DEVICE_ATTR_2(in3_min, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 3);
static SENSOR_DEVICE_ATTR_2(in4_min, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 4);
static SENSOR_DEVICE_ATTR_2(in5_min, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 5);
static SENSOR_DEVICE_ATTR_2(in6_min, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 6);
static SENSOR_DEVICE_ATTR_2(in7_min, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 7);
static SENSOR_DEVICE_ATTR_2(in8_min, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 8);
static SENSOR_DEVICE_ATTR_2(in9_min, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 9);
static SENSOR_DEVICE_ATTR_2(in10_min, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 10);
static SENSOR_DEVICE_ATTR_2(in11_min, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 11);
static SENSOR_DEVICE_ATTR_2_RW(in0_min, max16065_limit, 0, 0);
static SENSOR_DEVICE_ATTR_2_RW(in1_min, max16065_limit, 0, 1);
static SENSOR_DEVICE_ATTR_2_RW(in2_min, max16065_limit, 0, 2);
static SENSOR_DEVICE_ATTR_2_RW(in3_min, max16065_limit, 0, 3);
static SENSOR_DEVICE_ATTR_2_RW(in4_min, max16065_limit, 0, 4);
static SENSOR_DEVICE_ATTR_2_RW(in5_min, max16065_limit, 0, 5);
static SENSOR_DEVICE_ATTR_2_RW(in6_min, max16065_limit, 0, 6);
static SENSOR_DEVICE_ATTR_2_RW(in7_min, max16065_limit, 0, 7);
static SENSOR_DEVICE_ATTR_2_RW(in8_min, max16065_limit, 0, 8);
static SENSOR_DEVICE_ATTR_2_RW(in9_min, max16065_limit, 0, 9);
static SENSOR_DEVICE_ATTR_2_RW(in10_min, max16065_limit, 0, 10);
static SENSOR_DEVICE_ATTR_2_RW(in11_min, max16065_limit, 0, 11);
​
/* Input voltages max */
static SENSOR_DEVICE_ATTR_2(in0_max, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 0);
static SENSOR_DEVICE_ATTR_2(in1_max, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 1);
static SENSOR_DEVICE_ATTR_2(in2_max, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 2);
static SENSOR_DEVICE_ATTR_2(in3_max, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 3);
static SENSOR_DEVICE_ATTR_2(in4_max, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 4);
static SENSOR_DEVICE_ATTR_2(in5_max, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 5);
static SENSOR_DEVICE_ATTR_2(in6_max, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 6);
static SENSOR_DEVICE_ATTR_2(in7_max, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 7);
static SENSOR_DEVICE_ATTR_2(in8_max, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 8);
static SENSOR_DEVICE_ATTR_2(in9_max, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 9);
static SENSOR_DEVICE_ATTR_2(in10_max, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 10);
static SENSOR_DEVICE_ATTR_2(in11_max, S_IWUSR | S_IRUGO, max16065_show_limit,
                max16065_set_limit, 0, 11);
static SENSOR_DEVICE_ATTR_2_RW(in0_max, max16065_limit, 0, 0);
static SENSOR_DEVICE_ATTR_2_RW(in1_max, max16065_limit, 0, 1);
static SENSOR_DEVICE_ATTR_2_RW(in2_max, max16065_limit, 0, 2);
static SENSOR_DEVICE_ATTR_2_RW(in3_max, max16065_limit, 0, 3);
static SENSOR_DEVICE_ATTR_2_RW(in4_max, max16065_limit, 0, 4);
static SENSOR_DEVICE_ATTR_2_RW(in5_max, max16065_limit, 0, 5);
static SENSOR_DEVICE_ATTR_2_RW(in6_max, max16065_limit, 0, 6);
static SENSOR_DEVICE_ATTR_2_RW(in7_max, max16065_limit, 0, 7);
static SENSOR_DEVICE_ATTR_2_RW(in8_max, max16065_limit, 0, 8);
static SENSOR_DEVICE_ATTR_2_RW(in9_max, max16065_limit, 0, 9);
static SENSOR_DEVICE_ATTR_2_RW(in10_max, max16065_limit, 0, 10);
static SENSOR_DEVICE_ATTR_2_RW(in11_max, max16065_limit, 0, 11);
​
/* alarms */
static SENSOR_DEVICE_ATTR_2(in0_alarm, S_IRUGO, max16065_show_alarm, NULL,
                0, 0);
static SENSOR_DEVICE_ATTR_2(in1_alarm, S_IRUGO, max16065_show_alarm, NULL,
                0, 1);
static SENSOR_DEVICE_ATTR_2(in2_alarm, S_IRUGO, max16065_show_alarm, NULL,
                0, 2);
static SENSOR_DEVICE_ATTR_2(in3_alarm, S_IRUGO, max16065_show_alarm, NULL,
                0, 3);
static SENSOR_DEVICE_ATTR_2(in4_alarm, S_IRUGO, max16065_show_alarm, NULL,
                0, 4);
static SENSOR_DEVICE_ATTR_2(in5_alarm, S_IRUGO, max16065_show_alarm, NULL,
                0, 5);
static SENSOR_DEVICE_ATTR_2(in6_alarm, S_IRUGO, max16065_show_alarm, NULL,
                0, 6);
static SENSOR_DEVICE_ATTR_2(in7_alarm, S_IRUGO, max16065_show_alarm, NULL,
                0, 7);
static SENSOR_DEVICE_ATTR_2(in8_alarm, S_IRUGO, max16065_show_alarm, NULL,
                1, 0);
static SENSOR_DEVICE_ATTR_2(in9_alarm, S_IRUGO, max16065_show_alarm, NULL,
                1, 1);
static SENSOR_DEVICE_ATTR_2(in10_alarm, S_IRUGO, max16065_show_alarm, NULL,
                1, 2);
static SENSOR_DEVICE_ATTR_2(in11_alarm, S_IRUGO, max16065_show_alarm, NULL,
                1, 3);
static SENSOR_DEVICE_ATTR_2_RO(in0_alarm, max16065_alarm, 0, 0);
static SENSOR_DEVICE_ATTR_2_RO(in1_alarm, max16065_alarm, 0, 1);
static SENSOR_DEVICE_ATTR_2_RO(in2_alarm, max16065_alarm, 0, 2);
static SENSOR_DEVICE_ATTR_2_RO(in3_alarm, max16065_alarm, 0, 3);
static SENSOR_DEVICE_ATTR_2_RO(in4_alarm, max16065_alarm, 0, 4);
static SENSOR_DEVICE_ATTR_2_RO(in5_alarm, max16065_alarm, 0, 5);
static SENSOR_DEVICE_ATTR_2_RO(in6_alarm, max16065_alarm, 0, 6);
static SENSOR_DEVICE_ATTR_2_RO(in7_alarm, max16065_alarm, 0, 7);
static SENSOR_DEVICE_ATTR_2_RO(in8_alarm, max16065_alarm, 1, 0);
static SENSOR_DEVICE_ATTR_2_RO(in9_alarm, max16065_alarm, 1, 1);
static SENSOR_DEVICE_ATTR_2_RO(in10_alarm, max16065_alarm, 1, 2);
static SENSOR_DEVICE_ATTR_2_RO(in11_alarm, max16065_alarm, 1, 3);
​
/* Current and alarm */
static SENSOR_DEVICE_ATTR(curr1_input, S_IRUGO, max16065_show_current, NULL, 0);
static SENSOR_DEVICE_ATTR_2(curr1_alarm, S_IRUGO, max16065_show_alarm, NULL,
                1, 4);
static SENSOR_DEVICE_ATTR_RO(curr1_input, max16065_current, 0);
static SENSOR_DEVICE_ATTR_2_RO(curr1_alarm, max16065_alarm, 1, 4);
​
/*
 * Finally, construct an array of pointers to members of the above objects,
 * as required for sysfs_create_group()
 */
static struct attribute *max16065_basic_attributes[] = {
    &sensor_dev_attr_in0_input.dev_attr.attr,
    &sensor_dev_attr_in0_lcrit.dev_attr.attr,
    &sensor_dev_attr_in0_crit.dev_attr.attr,
    &sensor_dev_attr_in0_alarm.dev_attr.attr,