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

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​
    return ret;
}
​
static DEVICE_ATTR_RW(pwm1);
static DEVICE_ATTR_RW(pwm1_enable);
static DEVICE_ATTR_RO(pwm1_mode);
static DEVICE_ATTR_RO(fan1_min);
static DEVICE_ATTR_RO(fan1_max);
static DEVICE_ATTR_RO(fan1_input);
static DEVICE_ATTR(fan1_target, S_IRUGO | S_IWUSR, fan1_input_show, set_rpm);
static DEVICE_ATTR(fan1_target, 0644, fan1_input_show, set_rpm);
​
static umode_t gpio_fan_is_visible(struct kobject *kobj,
                   struct attribute *attr, int index)
{
    struct device *dev = container_of(kobj, struct device, kobj);
    struct gpio_fan_data *data = dev_get_drvdata(dev);
​
    if (index == 0 && !data->alarm_gpio)
        return 0;
    if (index > 0 && !data->gpios)