Source of adc128d818.c - linux-imx - PHYTEC BitBucket (Stash)

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    goto done;
​
abort:
    ret = ERR_PTR(rv);
    data->valid = false;
done:
    mutex_unlock(&data->update_lock);
    return ret;
}
​
static ssize_t adc128_show_in(struct device *dev, struct device_attribute *attr,
                  char *buf)
static ssize_t adc128_in_show(struct device *dev,
                  struct device_attribute *attr, char *buf)
{
    struct adc128_data *data = adc128_update_device(dev);
    int index = to_sensor_dev_attr_2(attr)->index;
    int nr = to_sensor_dev_attr_2(attr)->nr;
    int val;
​
    if (IS_ERR(data))
        return PTR_ERR(data);
​
    val = DIV_ROUND_CLOSEST(data->in[index][nr] * data->vref, 4095);
    return sprintf(buf, "%d\n", val);
}
​
static ssize_t adc128_set_in(struct device *dev, struct device_attribute *attr,
                 const char *buf, size_t count)
static ssize_t adc128_in_store(struct device *dev,
                   struct device_attribute *attr, const char *buf,
                   size_t count)
{
    struct adc128_data *data = dev_get_drvdata(dev);
    int index = to_sensor_dev_attr_2(attr)->index;
    int nr = to_sensor_dev_attr_2(attr)->nr;
    u8 reg, regval;
    long val;
    int err;
​
    err = kstrtol(buf, 10, &val);
    if (err < 0)
Show more
    /* 10 mV LSB on limit registers */
    regval = clamp_val(DIV_ROUND_CLOSEST(val, 10), 0, 255);
    data->in[index][nr] = regval << 4;
    reg = index == 1 ? ADC128_REG_IN_MIN(nr) : ADC128_REG_IN_MAX(nr);
    i2c_smbus_write_byte_data(data->client, reg, regval);
    mutex_unlock(&data->update_lock);
​
    return count;
}
​
static ssize_t adc128_show_temp(struct device *dev,
static ssize_t adc128_temp_show(struct device *dev,
                struct device_attribute *attr, char *buf)
{
    struct adc128_data *data = adc128_update_device(dev);
    int index = to_sensor_dev_attr(attr)->index;
    int temp;
​
    if (IS_ERR(data))
        return PTR_ERR(data);
​
    temp = sign_extend32(data->temp[index], 8);
    return sprintf(buf, "%d\n", temp * 500);/* 0.5 degrees C resolution */
}
​
static ssize_t adc128_set_temp(struct device *dev,
                   struct device_attribute *attr,
                   const char *buf, size_t count)
static ssize_t adc128_temp_store(struct device *dev,
                 struct device_attribute *attr,
                 const char *buf, size_t count)
{
    struct adc128_data *data = dev_get_drvdata(dev);
    int index = to_sensor_dev_attr(attr)->index;
    long val;
    int err;
    s8 regval;
​
    err = kstrtol(buf, 10, &val);
    if (err < 0)
        return err;
Show more
    data->temp[index] = regval << 1;
    i2c_smbus_write_byte_data(data->client,
                  index == 1 ? ADC128_REG_TEMP_MAX
                         : ADC128_REG_TEMP_HYST,
                  regval);
    mutex_unlock(&data->update_lock);
​
    return count;
}
​
static ssize_t adc128_show_alarm(struct device *dev,
static ssize_t adc128_alarm_show(struct device *dev,
                 struct device_attribute *attr, char *buf)
{
    struct adc128_data *data = adc128_update_device(dev);
    int mask = 1 << to_sensor_dev_attr(attr)->index;
    u8 alarms;
​
    if (IS_ERR(data))
        return PTR_ERR(data);
​
    /*
Show more
            return 0;
    } else {
        /* Temperature, visible if not in mode 1 */
        if (data->mode == 1)
            return 0;
    }
​
    return attr->mode;
}
​
static SENSOR_DEVICE_ATTR_2(in0_input, S_IRUGO,
                adc128_show_in, NULL, 0, 0);
static SENSOR_DEVICE_ATTR_2(in0_min, S_IWUSR | S_IRUGO,
                adc128_show_in, adc128_set_in, 0, 1);
static SENSOR_DEVICE_ATTR_2(in0_max, S_IWUSR | S_IRUGO,
                adc128_show_in, adc128_set_in, 0, 2);
​
static SENSOR_DEVICE_ATTR_2(in1_input, S_IRUGO,
                adc128_show_in, NULL, 1, 0);
static SENSOR_DEVICE_ATTR_2(in1_min, S_IWUSR | S_IRUGO,
                adc128_show_in, adc128_set_in, 1, 1);
static SENSOR_DEVICE_ATTR_2(in1_max, S_IWUSR | S_IRUGO,
                adc128_show_in, adc128_set_in, 1, 2);
​
static SENSOR_DEVICE_ATTR_2(in2_input, S_IRUGO,
                adc128_show_in, NULL, 2, 0);
static SENSOR_DEVICE_ATTR_2(in2_min, S_IWUSR | S_IRUGO,
                adc128_show_in, adc128_set_in, 2, 1);
static SENSOR_DEVICE_ATTR_2(in2_max, S_IWUSR | S_IRUGO,
                adc128_show_in, adc128_set_in, 2, 2);
​
static SENSOR_DEVICE_ATTR_2(in3_input, S_IRUGO,
                adc128_show_in, NULL, 3, 0);
static SENSOR_DEVICE_ATTR_2(in3_min, S_IWUSR | S_IRUGO,
                adc128_show_in, adc128_set_in, 3, 1);
static SENSOR_DEVICE_ATTR_2(in3_max, S_IWUSR | S_IRUGO,
                adc128_show_in, adc128_set_in, 3, 2);
​
static SENSOR_DEVICE_ATTR_2(in4_input, S_IRUGO,
                adc128_show_in, NULL, 4, 0);
static SENSOR_DEVICE_ATTR_2(in4_min, S_IWUSR | S_IRUGO,
                adc128_show_in, adc128_set_in, 4, 1);
static SENSOR_DEVICE_ATTR_2(in4_max, S_IWUSR | S_IRUGO,
                adc128_show_in, adc128_set_in, 4, 2);
​
static SENSOR_DEVICE_ATTR_2(in5_input, S_IRUGO,
                adc128_show_in, NULL, 5, 0);
static SENSOR_DEVICE_ATTR_2(in5_min, S_IWUSR | S_IRUGO,
                adc128_show_in, adc128_set_in, 5, 1);
static SENSOR_DEVICE_ATTR_2(in5_max, S_IWUSR | S_IRUGO,
                adc128_show_in, adc128_set_in, 5, 2);
​
static SENSOR_DEVICE_ATTR_2(in6_input, S_IRUGO,
                adc128_show_in, NULL, 6, 0);
static SENSOR_DEVICE_ATTR_2(in6_min, S_IWUSR | S_IRUGO,
                adc128_show_in, adc128_set_in, 6, 1);
static SENSOR_DEVICE_ATTR_2(in6_max, S_IWUSR | S_IRUGO,
                adc128_show_in, adc128_set_in, 6, 2);
​
static SENSOR_DEVICE_ATTR_2(in7_input, S_IRUGO,
                adc128_show_in, NULL, 7, 0);
static SENSOR_DEVICE_ATTR_2(in7_min, S_IWUSR | S_IRUGO,
                adc128_show_in, adc128_set_in, 7, 1);
static SENSOR_DEVICE_ATTR_2(in7_max, S_IWUSR | S_IRUGO,
                adc128_show_in, adc128_set_in, 7, 2);
​
static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, adc128_show_temp, NULL, 0);
static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO,
              adc128_show_temp, adc128_set_temp, 1);
static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO,
              adc128_show_temp, adc128_set_temp, 2);
​
static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, adc128_show_alarm, NULL, 0);
static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, adc128_show_alarm, NULL, 1);
static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, adc128_show_alarm, NULL, 2);
static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, adc128_show_alarm, NULL, 3);
static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, adc128_show_alarm, NULL, 4);
static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, adc128_show_alarm, NULL, 5);
static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, adc128_show_alarm, NULL, 6);
static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, adc128_show_alarm, NULL, 7);
static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, adc128_show_alarm, NULL, 7);
static SENSOR_DEVICE_ATTR_2_RO(in0_input, adc128_in, 0, 0);
static SENSOR_DEVICE_ATTR_2_RW(in0_min, adc128_in, 0, 1);
static SENSOR_DEVICE_ATTR_2_RW(in0_max, adc128_in, 0, 2);
​
static SENSOR_DEVICE_ATTR_2_RO(in1_input, adc128_in, 1, 0);
static SENSOR_DEVICE_ATTR_2_RW(in1_min, adc128_in, 1, 1);
static SENSOR_DEVICE_ATTR_2_RW(in1_max, adc128_in, 1, 2);
​
static SENSOR_DEVICE_ATTR_2_RO(in2_input, adc128_in, 2, 0);
static SENSOR_DEVICE_ATTR_2_RW(in2_min, adc128_in, 2, 1);
static SENSOR_DEVICE_ATTR_2_RW(in2_max, adc128_in, 2, 2);
​
static SENSOR_DEVICE_ATTR_2_RO(in3_input, adc128_in, 3, 0);
static SENSOR_DEVICE_ATTR_2_RW(in3_min, adc128_in, 3, 1);
static SENSOR_DEVICE_ATTR_2_RW(in3_max, adc128_in, 3, 2);
​
static SENSOR_DEVICE_ATTR_2_RO(in4_input, adc128_in, 4, 0);
static SENSOR_DEVICE_ATTR_2_RW(in4_min, adc128_in, 4, 1);
static SENSOR_DEVICE_ATTR_2_RW(in4_max, adc128_in, 4, 2);
​
static SENSOR_DEVICE_ATTR_2_RO(in5_input, adc128_in, 5, 0);
static SENSOR_DEVICE_ATTR_2_RW(in5_min, adc128_in, 5, 1);
static SENSOR_DEVICE_ATTR_2_RW(in5_max, adc128_in, 5, 2);
​
static SENSOR_DEVICE_ATTR_2_RO(in6_input, adc128_in, 6, 0);
static SENSOR_DEVICE_ATTR_2_RW(in6_min, adc128_in, 6, 1);
static SENSOR_DEVICE_ATTR_2_RW(in6_max, adc128_in, 6, 2);
​
static SENSOR_DEVICE_ATTR_2_RO(in7_input, adc128_in, 7, 0);
static SENSOR_DEVICE_ATTR_2_RW(in7_min, adc128_in, 7, 1);
static SENSOR_DEVICE_ATTR_2_RW(in7_max, adc128_in, 7, 2);
​
static SENSOR_DEVICE_ATTR_RO(temp1_input, adc128_temp, 0);
static SENSOR_DEVICE_ATTR_RW(temp1_max, adc128_temp, 1);
static SENSOR_DEVICE_ATTR_RW(temp1_max_hyst, adc128_temp, 2);
​
static SENSOR_DEVICE_ATTR_RO(in0_alarm, adc128_alarm, 0);
static SENSOR_DEVICE_ATTR_RO(in1_alarm, adc128_alarm, 1);
static SENSOR_DEVICE_ATTR_RO(in2_alarm, adc128_alarm, 2);
static SENSOR_DEVICE_ATTR_RO(in3_alarm, adc128_alarm, 3);
static SENSOR_DEVICE_ATTR_RO(in4_alarm, adc128_alarm, 4);
static SENSOR_DEVICE_ATTR_RO(in5_alarm, adc128_alarm, 5);
static SENSOR_DEVICE_ATTR_RO(in6_alarm, adc128_alarm, 6);
static SENSOR_DEVICE_ATTR_RO(in7_alarm, adc128_alarm, 7);
static SENSOR_DEVICE_ATTR_RO(temp1_max_alarm, adc128_alarm, 7);
​
static struct attribute *adc128_attrs[] = {
    &sensor_dev_attr_in0_alarm.dev_attr.attr,
    &sensor_dev_attr_in0_input.dev_attr.attr,
    &sensor_dev_attr_in0_max.dev_attr.attr,
    &sensor_dev_attr_in0_min.dev_attr.attr,
    &sensor_dev_attr_in1_alarm.dev_attr.attr,
    &sensor_dev_attr_in1_input.dev_attr.attr,
    &sensor_dev_attr_in1_max.dev_attr.attr,
    &sensor_dev_attr_in1_min.dev_attr.attr,