1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/video/backlight/wm831x_bl.c b/drivers/video/backlight/wm831x_bl.c
index 467bdb7efb23..08fd87f3aecc 100644
--- a/drivers/video/backlight/wm831x_bl.c
+++ b/drivers/video/backlight/wm831x_bl.c
@@ -13,6 +13,7 @@
 #include <linux/platform_device.h>
 #include <linux/fb.h>
 #include <linux/backlight.h>
+#include <linux/slab.h>
 
 #include <linux/mfd/wm831x/core.h>
 #include <linux/mfd/wm831x/pdata.h>
@@ -112,7 +113,7 @@ static int wm831x_backlight_get_brightness(struct backlight_device *bl)
         return data->current_brightness;
 }
 
-static struct backlight_ops wm831x_backlight_ops = {
+static const struct backlight_ops wm831x_backlight_ops = {
         .options = BL_CORE_SUSPENDRESUME,
         .update_status  = wm831x_backlight_update_status,
         .get_brightness = wm831x_backlight_get_brightness,
@@ -125,6 +126,7 @@ static int wm831x_backlight_probe(struct platform_device *pdev)
         struct wm831x_backlight_pdata *pdata;
         struct wm831x_backlight_data *data;
         struct backlight_device *bl;
+        struct backlight_properties props;
         int ret, i, max_isel, isink_reg, dcdc_cfg;
 
         /* We need platform data */
@@ -191,15 +193,15 @@ static int wm831x_backlight_probe(struct platform_device *pdev)
         data->current_brightness = 0;
         data->isink_reg = isink_reg;
 
-        bl = backlight_device_register("wm831x", &pdev->dev,
-                        data, &wm831x_backlight_ops);
+        props.max_brightness = max_isel;
+        bl = backlight_device_register("wm831x", &pdev->dev, data,
+                                       &wm831x_backlight_ops, &props);
         if (IS_ERR(bl)) {
                 dev_err(&pdev->dev, "failed to register backlight\n");
                 kfree(data);
                 return PTR_ERR(bl);
         }
 
-        bl->props.max_brightness = max_isel;
         bl->props.brightness = max_isel;
 
         platform_set_drvdata(pdev, bl);