struct delayed_work work;
int button_pressed;
- spinlock_t lock;
struct mutex sysfslock; /* concurrent read and write */
};
{
struct appledisplay *pdata = urb->context;
struct device *dev = &pdata->udev->dev;
- unsigned long flags;
int status = urb->status;
int retval;
goto exit;
}
- spin_lock_irqsave(&pdata->lock, flags);
-
switch(pdata->urbdata[1]) {
case ACD_BTN_BRIGHT_UP:
case ACD_BTN_BRIGHT_DOWN:
break;
}
- spin_unlock_irqrestore(&pdata->lock, flags);
-
exit:
retval = usb_submit_urb(pdata->urb, GFP_ATOMIC);
if (retval) {
pdata->udev = udev;
- spin_lock_init(&pdata->lock);
INIT_DELAYED_WORK(&pdata->work, appledisplay_work);
mutex_init(&pdata->sysfslock);