backlight: aat2870: use bl_get_data instead of dev_get_drvdata

Use the wrapper function for getting the driver data using
backlight_device instead of using dev_get_drvdata with &bd->dev, so we can
directly pass a struct backlight_device.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/drivers/video/backlight/aat2870_bl.c b/drivers/video/backlight/aat2870_bl.c
index 7ff752288b92ea4fb7ff3bc87c60506054e57ed2..c6fc668d623628015c98488b891144074d3b47a2 100644 (file)
--- a/drivers/video/backlight/aat2870_bl.c
+++ b/drivers/video/backlight/aat2870_bl.c
@@ -74,7 +74,7 @@ static int aat2870_bl_get_brightness(struct backlight_device *bd)
 
 static int aat2870_bl_update_status(struct backlight_device *bd)
 {
-       struct aat2870_bl_driver_data *aat2870_bl = dev_get_drvdata(&bd->dev);
+       struct aat2870_bl_driver_data *aat2870_bl = bl_get_data(bd);
        struct aat2870_data *aat2870 =
                        dev_get_drvdata(aat2870_bl->pdev->dev.parent);
        int brightness = bd->props.brightness;