diff options
Diffstat (limited to 'drivers/usb/misc/appledisplay.c')
| -rw-r--r-- | drivers/usb/misc/appledisplay.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c index 4d2952f1fb13..1fa6ce3e4a23 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; @@ -257,7 +259,7 @@ static int appledisplay_probe(struct usb_interface *iface, } /* Allocate buffer for interrupt data */ - pdata->urbdata = usb_buffer_alloc(pdata->udev, ACD_URB_BUFFER_LEN, + pdata->urbdata = usb_alloc_coherent(pdata->udev, ACD_URB_BUFFER_LEN, GFP_KERNEL, &pdata->urb->transfer_dma); if (!pdata->urbdata) { retval = -ENOMEM; @@ -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); @@ -314,7 +316,7 @@ error: if (pdata->urb) { usb_kill_urb(pdata->urb); if (pdata->urbdata) - usb_buffer_free(pdata->udev, ACD_URB_BUFFER_LEN, + usb_free_coherent(pdata->udev, ACD_URB_BUFFER_LEN, pdata->urbdata, pdata->urb->transfer_dma); usb_free_urb(pdata->urb); } @@ -335,7 +337,7 @@ static void appledisplay_disconnect(struct usb_interface *iface) usb_kill_urb(pdata->urb); cancel_delayed_work(&pdata->work); backlight_device_unregister(pdata->bd); - usb_buffer_free(pdata->udev, ACD_URB_BUFFER_LEN, + usb_free_coherent(pdata->udev, ACD_URB_BUFFER_LEN, pdata->urbdata, pdata->urb->transfer_dma); usb_free_urb(pdata->urb); kfree(pdata->msgdata); |