On Sunday 02 September 2012 00:52:03 Yann Cantin wrote:
Hi,
before we add yet another sysfs interface, we should ask whether calibration
isn't a problem that should be solved with a common API.
Regards
Oliver
> +static ssize_t ebeam_calibrated_set(struct device *dev,
> + struct device_attribute *attr,
> + const char *buf,
> + size_t count)
> +{
> + struct ebeam_device *ebeam = dev_get_drvdata(dev);
> + int err, c;
> +
> + err = kstrtoint(buf, 10, &c);
> + if (err)
> + return err;
> +
> + if (c == 1) {
> + memcpy(&ebeam->cursetting, &ebeam->newsetting,
> + sizeof(struct ebeam_settings));
> + ebeam->calibrated = true;
> + ebeam_setup_input(ebeam, ebeam->input);
> + } else {
> + memcpy(&ebeam->newsetting, &ebeam->cursetting,
> + sizeof(struct ebeam_settings));
> + ebeam->calibrated = false;
> + ebeam_setup_input(ebeam, ebeam->input);
> + }
> +
> + return count;
> +}
> +
> +static DEVICE_ATTR(calibrated, S_IRUGO | S_IWUGO,
> + ebeam_calibrated_get, ebeam_calibrated_set);
> +
> +static struct attribute *ebeam_attrs[] = {
> + &dev_attr_min_x.attr,
> + &dev_attr_min_y.attr,
> + &dev_attr_max_x.attr,
> + &dev_attr_max_y.attr,
> + &dev_attr_h1.attr,
> + &dev_attr_h2.attr,
> + &dev_attr_h3.attr,
> + &dev_attr_h4.attr,
> + &dev_attr_h5.attr,
> + &dev_attr_h6.attr,
> + &dev_attr_h7.attr,
> + &dev_attr_h8.attr,
> + &dev_attr_h9.attr,
> + &dev_attr_calibrated.attr,
> + NULL
> +};
> +
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