#include <linux/timer.h>
#include <linux/workqueue.h>
#include <asm/atomic.h>
-#include <asm/semaphore.h>
#define APPLE_VENDOR_ID 0x05AC
{
struct appledisplay *pdata = urb->context;
unsigned long flags;
+ int status = urb->status;
int retval;
- switch (urb->status) {
+ switch (status) {
case 0:
/* success */
break;
case -ENOENT:
case -ESHUTDOWN:
/* This urb is terminated, clean up */
- dbg("%s - urb shutting down with status: %d",
- __FUNCTION__, urb->status);
+ dbg("%s - urb shuttingdown with status: %d",
+ __func__, status);
return;
default:
dbg("%s - nonzero urb status received: %d",
- __FUNCTION__, urb->status);
+ __func__, status);
goto exit;
}
retval = usb_submit_urb(pdata->urb, GFP_ATOMIC);
if (retval) {
err("%s - usb_submit_urb failed with result %d",
- __FUNCTION__, retval);
+ __func__, retval);
}
}
static int appledisplay_bl_update_status(struct backlight_device *bd)
{
- struct appledisplay *pdata = class_get_devdata(&bd->class_dev);
+ struct appledisplay *pdata = bl_get_data(bd);
int retval;
pdata->msgdata[0] = 0x10;
static int appledisplay_bl_get_brightness(struct backlight_device *bd)
{
- struct appledisplay *pdata = class_get_devdata(&bd->class_dev);
+ struct appledisplay *pdata = bl_get_data(bd);
int retval;
retval = usb_control_msg(
pdata->urbdata, pdata->urb->transfer_dma);
usb_free_urb(pdata->urb);
}
- if (pdata->bd)
+ if (pdata->bd && !IS_ERR(pdata->bd))
backlight_device_unregister(pdata->bd);
kfree(pdata->msgdata);
}