static ssize_t pyra_sysfs_write_settings(struct file *fp,
struct kobject *kobj, struct bin_attribute *attr, char *buf,
loff_t off, size_t count)
{
struct device *dev =
container_of(kobj, struct device, kobj)->parent->parent;
struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
int retval = 0;
int difference;
struct pyra_roccat_report roccat_report;
if (off != 0 || count != sizeof(struct pyra_settings))
return -EINVAL;
if (((struct pyra_settings const *)buf)->startup_profile >=
ARRAY_SIZE(pyra->profile_settings))
return -EINVAL;
mutex_lock(&pyra->pyra_lock);
difference = memcmp(buf, &pyra->settings, sizeof(struct pyra_settings));
if (difference) {
retval = pyra_set_settings(usb_dev,
(struct pyra_settings const *)buf);
if (retval) {
mutex_unlock(&pyra->pyra_lock);
return retval;
}
memcpy(&pyra->settings, buf,
sizeof(struct pyra_settings));
profile_activated(pyra, pyra->settings.startup_profile);
roccat_report.type = PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2;
roccat_report.value = pyra->settings.startup_profile + 1;
roccat_report.key = 0;
roccat_report_event(pyra->chrdev_minor,
(uint8_t const *)&roccat_report);
}
mutex_unlock(&pyra->pyra_lock);
return sizeof(struct pyra_settings);
}
static ssize_t pyra_sysfs_write_settings(struct file *fp,
struct kobject *kobj, struct bin_attribute *attr, char *buf,
loff_t off, size_t count)
{
struct device *dev = kobj_to_dev(kobj)->parent->parent;
struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
int retval = 0;
struct pyra_roccat_report roccat_report;
struct pyra_settings const *settings;
if (off != 0 || count != PYRA_SIZE_SETTINGS)
return -EINVAL;
settings = (struct pyra_settings const *)buf;
if (settings->startup_profile >= ARRAY_SIZE(pyra->profile_settings))
return -EINVAL;
mutex_lock(&pyra->pyra_lock);
retval = pyra_set_settings(usb_dev, settings);
if (retval) {
mutex_unlock(&pyra->pyra_lock);
return retval;
}
profile_activated(pyra, settings->startup_profile);
roccat_report.type = PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2;
roccat_report.value = settings->startup_profile + 1;
roccat_report.key = 0;
roccat_report_event(pyra->chrdev_minor,
(uint8_t const *)&roccat_report);
mutex_unlock(&pyra->pyra_lock);
return PYRA_SIZE_SETTINGS;
}
