Source of powr1220.c - linux-imx - PHYTEC BitBucket (Stash)

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        result = data->adc_values[ch_num];
    }
​
exit:
    mutex_unlock(&data->update_lock);
​
    return result;
}
​
/* Shows the voltage associated with the specified ADC channel */
static ssize_t powr1220_show_voltage(struct device *dev,
    struct device_attribute *dev_attr, char *buf)
static ssize_t powr1220_voltage_show(struct device *dev,
                     struct device_attribute *dev_attr,
                     char *buf)
{
    struct sensor_device_attribute *attr = to_sensor_dev_attr(dev_attr);
    int adc_val = powr1220_read_adc(dev, attr->index);
​
    if (adc_val < 0)
        return adc_val;
​
    return sprintf(buf, "%d\n", adc_val);
}
​
/* Shows the maximum setting associated with the specified ADC channel */
static ssize_t powr1220_show_max(struct device *dev,
    struct device_attribute *dev_attr, char *buf)
static ssize_t powr1220_max_show(struct device *dev,
                 struct device_attribute *dev_attr, char *buf)
{
    struct sensor_device_attribute *attr = to_sensor_dev_attr(dev_attr);
    struct powr1220_data *data = dev_get_drvdata(dev);
​
    return sprintf(buf, "%d\n", data->adc_maxes[attr->index]);
}
​
/* Shows the label associated with the specified ADC channel */
static ssize_t powr1220_show_label(struct device *dev,
    struct device_attribute *dev_attr, char *buf)
static ssize_t powr1220_label_show(struct device *dev,
                   struct device_attribute *dev_attr,
                   char *buf)
{
    struct sensor_device_attribute *attr = to_sensor_dev_attr(dev_attr);
​
    return sprintf(buf, "%s\n", input_names[attr->index]);
}
​
static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, powr1220_show_voltage, NULL,
    VMON1);
static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, powr1220_show_voltage, NULL,
    VMON2);
static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, powr1220_show_voltage, NULL,
    VMON3);
static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, powr1220_show_voltage, NULL,
    VMON4);
static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, powr1220_show_voltage, NULL,
    VMON5);
static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, powr1220_show_voltage, NULL,
    VMON6);
static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, powr1220_show_voltage, NULL,
    VMON7);
static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, powr1220_show_voltage, NULL,
    VMON8);
static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, powr1220_show_voltage, NULL,
    VMON9);
static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, powr1220_show_voltage, NULL,
    VMON10);
static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, powr1220_show_voltage, NULL,
    VMON11);
static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, powr1220_show_voltage, NULL,
    VMON12);
static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, powr1220_show_voltage, NULL,
    VCCA);
static SENSOR_DEVICE_ATTR(in13_input, S_IRUGO, powr1220_show_voltage, NULL,
    VCCINP);
​
static SENSOR_DEVICE_ATTR(in0_highest, S_IRUGO, powr1220_show_max, NULL,
    VMON1);
static SENSOR_DEVICE_ATTR(in1_highest, S_IRUGO, powr1220_show_max, NULL,
    VMON2);
static SENSOR_DEVICE_ATTR(in2_highest, S_IRUGO, powr1220_show_max, NULL,
    VMON3);
static SENSOR_DEVICE_ATTR(in3_highest, S_IRUGO, powr1220_show_max, NULL,
    VMON4);
static SENSOR_DEVICE_ATTR(in4_highest, S_IRUGO, powr1220_show_max, NULL,
    VMON5);
static SENSOR_DEVICE_ATTR(in5_highest, S_IRUGO, powr1220_show_max, NULL,
    VMON6);
static SENSOR_DEVICE_ATTR(in6_highest, S_IRUGO, powr1220_show_max, NULL,
    VMON7);
static SENSOR_DEVICE_ATTR(in7_highest, S_IRUGO, powr1220_show_max, NULL,
    VMON8);
static SENSOR_DEVICE_ATTR(in8_highest, S_IRUGO, powr1220_show_max, NULL,
    VMON9);
static SENSOR_DEVICE_ATTR(in9_highest, S_IRUGO, powr1220_show_max, NULL,
    VMON10);
static SENSOR_DEVICE_ATTR(in10_highest, S_IRUGO, powr1220_show_max, NULL,
    VMON11);
static SENSOR_DEVICE_ATTR(in11_highest, S_IRUGO, powr1220_show_max, NULL,
    VMON12);
static SENSOR_DEVICE_ATTR(in12_highest, S_IRUGO, powr1220_show_max, NULL,
    VCCA);
static SENSOR_DEVICE_ATTR(in13_highest, S_IRUGO, powr1220_show_max, NULL,
    VCCINP);
​
static SENSOR_DEVICE_ATTR(in0_label, S_IRUGO, powr1220_show_label, NULL,
    VMON1);
static SENSOR_DEVICE_ATTR(in1_label, S_IRUGO, powr1220_show_label, NULL,
    VMON2);
static SENSOR_DEVICE_ATTR(in2_label, S_IRUGO, powr1220_show_label, NULL,
    VMON3);
static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, powr1220_show_label, NULL,
    VMON4);
static SENSOR_DEVICE_ATTR(in4_label, S_IRUGO, powr1220_show_label, NULL,
    VMON5);
static SENSOR_DEVICE_ATTR(in5_label, S_IRUGO, powr1220_show_label, NULL,
    VMON6);
static SENSOR_DEVICE_ATTR(in6_label, S_IRUGO, powr1220_show_label, NULL,
    VMON7);
static SENSOR_DEVICE_ATTR(in7_label, S_IRUGO, powr1220_show_label, NULL,
    VMON8);
static SENSOR_DEVICE_ATTR(in8_label, S_IRUGO, powr1220_show_label, NULL,
    VMON9);
static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, powr1220_show_label, NULL,
    VMON10);
static SENSOR_DEVICE_ATTR(in10_label, S_IRUGO, powr1220_show_label, NULL,
    VMON11);
static SENSOR_DEVICE_ATTR(in11_label, S_IRUGO, powr1220_show_label, NULL,
    VMON12);
static SENSOR_DEVICE_ATTR(in12_label, S_IRUGO, powr1220_show_label, NULL,
    VCCA);
static SENSOR_DEVICE_ATTR(in13_label, S_IRUGO, powr1220_show_label, NULL,
    VCCINP);
static SENSOR_DEVICE_ATTR_RO(in0_input, powr1220_voltage, VMON1);
static SENSOR_DEVICE_ATTR_RO(in1_input, powr1220_voltage, VMON2);
static SENSOR_DEVICE_ATTR_RO(in2_input, powr1220_voltage, VMON3);
static SENSOR_DEVICE_ATTR_RO(in3_input, powr1220_voltage, VMON4);
static SENSOR_DEVICE_ATTR_RO(in4_input, powr1220_voltage, VMON5);
static SENSOR_DEVICE_ATTR_RO(in5_input, powr1220_voltage, VMON6);
static SENSOR_DEVICE_ATTR_RO(in6_input, powr1220_voltage, VMON7);
static SENSOR_DEVICE_ATTR_RO(in7_input, powr1220_voltage, VMON8);
static SENSOR_DEVICE_ATTR_RO(in8_input, powr1220_voltage, VMON9);
static SENSOR_DEVICE_ATTR_RO(in9_input, powr1220_voltage, VMON10);
static SENSOR_DEVICE_ATTR_RO(in10_input, powr1220_voltage, VMON11);
static SENSOR_DEVICE_ATTR_RO(in11_input, powr1220_voltage, VMON12);
static SENSOR_DEVICE_ATTR_RO(in12_input, powr1220_voltage, VCCA);
static SENSOR_DEVICE_ATTR_RO(in13_input, powr1220_voltage, VCCINP);
​
static SENSOR_DEVICE_ATTR_RO(in0_highest, powr1220_max, VMON1);
static SENSOR_DEVICE_ATTR_RO(in1_highest, powr1220_max, VMON2);
static SENSOR_DEVICE_ATTR_RO(in2_highest, powr1220_max, VMON3);
static SENSOR_DEVICE_ATTR_RO(in3_highest, powr1220_max, VMON4);
static SENSOR_DEVICE_ATTR_RO(in4_highest, powr1220_max, VMON5);
static SENSOR_DEVICE_ATTR_RO(in5_highest, powr1220_max, VMON6);
static SENSOR_DEVICE_ATTR_RO(in6_highest, powr1220_max, VMON7);
static SENSOR_DEVICE_ATTR_RO(in7_highest, powr1220_max, VMON8);
static SENSOR_DEVICE_ATTR_RO(in8_highest, powr1220_max, VMON9);
static SENSOR_DEVICE_ATTR_RO(in9_highest, powr1220_max, VMON10);
static SENSOR_DEVICE_ATTR_RO(in10_highest, powr1220_max, VMON11);
static SENSOR_DEVICE_ATTR_RO(in11_highest, powr1220_max, VMON12);
static SENSOR_DEVICE_ATTR_RO(in12_highest, powr1220_max, VCCA);
static SENSOR_DEVICE_ATTR_RO(in13_highest, powr1220_max, VCCINP);
​
static SENSOR_DEVICE_ATTR_RO(in0_label, powr1220_label, VMON1);
static SENSOR_DEVICE_ATTR_RO(in1_label, powr1220_label, VMON2);
static SENSOR_DEVICE_ATTR_RO(in2_label, powr1220_label, VMON3);
static SENSOR_DEVICE_ATTR_RO(in3_label, powr1220_label, VMON4);
static SENSOR_DEVICE_ATTR_RO(in4_label, powr1220_label, VMON5);
static SENSOR_DEVICE_ATTR_RO(in5_label, powr1220_label, VMON6);
static SENSOR_DEVICE_ATTR_RO(in6_label, powr1220_label, VMON7);
static SENSOR_DEVICE_ATTR_RO(in7_label, powr1220_label, VMON8);
static SENSOR_DEVICE_ATTR_RO(in8_label, powr1220_label, VMON9);
static SENSOR_DEVICE_ATTR_RO(in9_label, powr1220_label, VMON10);
static SENSOR_DEVICE_ATTR_RO(in10_label, powr1220_label, VMON11);
static SENSOR_DEVICE_ATTR_RO(in11_label, powr1220_label, VMON12);
static SENSOR_DEVICE_ATTR_RO(in12_label, powr1220_label, VCCA);
static SENSOR_DEVICE_ATTR_RO(in13_label, powr1220_label, VCCINP);
​
static struct attribute *powr1220_attrs[] = {
    &sensor_dev_attr_in0_input.dev_attr.attr,
    &sensor_dev_attr_in1_input.dev_attr.attr,
    &sensor_dev_attr_in2_input.dev_attr.attr,
    &sensor_dev_attr_in3_input.dev_attr.attr,
    &sensor_dev_attr_in4_input.dev_attr.attr,
    &sensor_dev_attr_in5_input.dev_attr.attr,
    &sensor_dev_attr_in6_input.dev_attr.attr,
    &sensor_dev_attr_in7_input.dev_attr.attr,