diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 032db45..df04c51 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -358,6 +358,9 @@ acpi_video_device_lcd_query_levels(struct acpi_video_device *device,
 	status = acpi_evaluate_object(device->dev->handle, "_BCL", NULL, &buffer);
 	if (!ACPI_SUCCESS(status))
 		return status;
+
+	dev_info(&device->dev->dev, "%s: _BCL evaluated\n", __func__);
+
 	obj = (union acpi_object *)buffer.pointer;
 	if (!obj || (obj->type != ACPI_TYPE_PACKAGE)) {
 		printk(KERN_ERR PREFIX "Invalid _BCL data\n");
@@ -1547,6 +1550,8 @@ static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data)
 	bus = video_device->video;
 	input = bus->input;
 
+	dev_info(&device->dev, "%s: event=0x%x\n", __func__, event);
+
 	switch (event) {
 	case ACPI_VIDEO_NOTIFY_CYCLE_BRIGHTNESS:	/* Cycle brightness */
 		brightness_switch_event(video_device, event);
@@ -1719,6 +1724,8 @@ static void acpi_video_run_bcl_for_osi(struct acpi_video_bus *video)
 	struct acpi_video_device *dev;
 	union acpi_object *levels;
 
+	pr_info("%s: entered\n", __func__);
+
 	mutex_lock(&video->device_list_lock);
 	list_for_each_entry(dev, &video->video_device_list, entry) {
 		if (!acpi_video_device_lcd_query_levels(dev, &levels))