X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fplatform%2Fx86%2Fclassmate-laptop.c;h=7f9e5ddc949841ba3c80d15aa75d94a60e9385c0;hb=5a0e3ad6af8660be21ca98a971cd00f331318c05;hp=035a7dd65a3fdf87d08305b9f0d663446240d4cd;hpb=e213e26ab3988c516c06eba4dcd030ac052f6dc9;p=mv-sheeva.git

diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c
index 035a7dd65a3..7f9e5ddc949 100644
--- a/drivers/platform/x86/classmate-laptop.c
+++ b/drivers/platform/x86/classmate-laptop.c
@@ -19,6 +19,7 @@
 
 #include <linux/init.h>
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/workqueue.h>
 #include <acpi/acpi_drivers.h>
 #include <linux/backlight.h>
@@ -455,18 +456,22 @@ static int cmpc_bl_update_status(struct backlight_device *bd)
 		return -1;
 }
 
-static struct backlight_ops cmpc_bl_ops = {
+static const struct backlight_ops cmpc_bl_ops = {
 	.get_brightness = cmpc_bl_get_brightness,
 	.update_status = cmpc_bl_update_status
 };
 
 static int cmpc_bl_add(struct acpi_device *acpi)
 {
+	struct backlight_properties props;
 	struct backlight_device *bd;
 
-	bd = backlight_device_register("cmpc_bl", &acpi->dev,
-				       acpi->handle, &cmpc_bl_ops);
-	bd->props.max_brightness = 7;
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = 7;
+	bd = backlight_device_register("cmpc_bl", &acpi->dev, acpi->handle,
+				       &cmpc_bl_ops, &props);
+	if (IS_ERR(bd))
+		return PTR_ERR(bd);
 	dev_set_drvdata(&acpi->dev, bd);
 	return 0;
 }