diff options
Diffstat (limited to 'drivers/usb/misc/appledisplay.c')
| -rw-r--r-- | drivers/usb/misc/appledisplay.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c index 4d2952f1fb13..094f91cbc578 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); |