aboutsummaryrefslogtreecommitdiff
path: root/drivers/usb/misc/appledisplay.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/misc/appledisplay.c')
-rw-r--r--drivers/usb/misc/appledisplay.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index 4d2952f1fb1..094f91cbc57 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -24,6 +24,7 @@
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/module.h>
+#include <linux/slab.h>
#include <linux/usb.h>
#include <linux/backlight.h>
#include <linux/timer.h>
@@ -202,6 +203,7 @@ static void appledisplay_work(struct work_struct *work)
static int appledisplay_probe(struct usb_interface *iface,
const struct usb_device_id *id)
{
+ struct backlight_properties props;
struct appledisplay *pdata;
struct usb_device *udev = interface_to_usbdev(iface);
struct usb_host_interface *iface_desc;
@@ -279,16 +281,16 @@ static int appledisplay_probe(struct usb_interface *iface,
/* Register backlight device */
snprintf(bl_name, sizeof(bl_name), "appledisplay%d",
atomic_inc_return(&count_displays) - 1);
+ memset(&props, 0, sizeof(struct backlight_properties));
+ props.max_brightness = 0xff;
pdata->bd = backlight_device_register(bl_name, NULL, pdata,
- &appledisplay_bl_data);
+ &appledisplay_bl_data, &props);
if (IS_ERR(pdata->bd)) {
dev_err(&iface->dev, "Backlight registration failed\n");
retval = PTR_ERR(pdata->bd);
goto error;
}
- pdata->bd->props.max_brightness = 0xff;
-
/* Try to get brightness */
brightness = appledisplay_bl_get_brightness(pdata->bd);