drivers/video/backlight/adp8870_bl.c: add missed props.type conversion

Cc: Michael Hennerich <michael.hennerich@analog.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/video/backlight/adp8870_bl.c b/drivers/video/backlight/adp8870_bl.c
index e320b62..05a8832 100644
--- a/drivers/video/backlight/adp8870_bl.c
+++ b/drivers/video/backlight/adp8870_bl.c
@@ -889,6 +889,7 @@
 	mutex_init(&data->lock);
 
 	memset(&props, 0, sizeof(props));
+	props.type = BACKLIGHT_RAW;
 	props.max_brightness = props.brightness = ADP8870_MAX_BRIGHTNESS;
 	bl = backlight_device_register(dev_driver_string(&client->dev),
 			&client->dev, data, &adp8870_bl_ops, &props);