if (acpi_video_backlight_support()) {
struct backlight_properties props;
+ struct pci_dev *pdev;
+ acpi_handle acpi_parent;
+ struct device *parent = NULL;
int result;
static int count = 0;
char *name;
return;
count++;
+ acpi_get_parent(device->dev->handle, &acpi_parent);
+
+ pdev = acpi_get_pci_dev(acpi_parent);
+ if (pdev) {
+ parent = &pdev->dev;
+ pci_dev_put(pdev);
+ }
+
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_FIRMWARE;
props.max_brightness = device->brightness->count - 3;
- device->backlight = backlight_device_register(name, NULL, device,
+ device->backlight = backlight_device_register(name,
+ parent,
+ device,
&acpi_backlight_ops,
&props);
kfree(name);
device->backlight->props.brightness =
acpi_video_get_brightness(device->backlight);
- result = sysfs_create_link(&device->backlight->dev.kobj,
- &device->dev->dev.kobj, "device");
- if (result)
- printk(KERN_ERR PREFIX "Create sysfs link\n");
-
device->cooling_dev = thermal_cooling_device_register("LCD",
device->dev, &video_cooling_ops);
if (IS_ERR(device->cooling_dev)) {
status = acpi_video_bus_get_one_device(dev, video);
if (ACPI_FAILURE(status)) {
printk(KERN_WARNING PREFIX
- "Cant attach device\n");
+ "Can't attach device\n");
continue;
}
}
acpi_video_device_notify);
if (ACPI_FAILURE(status)) {
printk(KERN_WARNING PREFIX
- "Cant remove video notify handler\n");
+ "Can't remove video notify handler\n");
}
if (device->backlight) {
- sysfs_remove_link(&device->backlight->dev.kobj, "device");
backlight_device_unregister(device->backlight);
device->backlight = NULL;
}