-/*
- * usbvision timer stuff
- */
-
-/* to call usbvision_power_off from task queue */
-static void call_usbvision_power_off(struct work_struct *work)
-{
- struct usb_usbvision *usbvision = container_of(work, struct usb_usbvision, power_off_work);
-
- PDEBUG(DBG_FUNC, "");
- if (mutex_lock_interruptible(&usbvision->v4l2_lock))
- return;
-
- if (usbvision->user == 0) {
- usbvision_i2c_unregister(usbvision);
-
- usbvision_power_off(usbvision);
- usbvision->initialized = 0;
- }
- mutex_unlock(&usbvision->v4l2_lock);
-}
-
-static void usbvision_power_off_timer(unsigned long data)
-{
- struct usb_usbvision *usbvision = (void *)data;
-
- PDEBUG(DBG_FUNC, "");
- del_timer(&usbvision->power_off_timer);
- INIT_WORK(&usbvision->power_off_work, call_usbvision_power_off);
- (void) schedule_work(&usbvision->power_off_work);
-}
-
-void usbvision_init_power_off_timer(struct usb_usbvision *usbvision)
-{
- setup_timer(&usbvision->power_off_timer, usbvision_power_off_timer,
- (unsigned long)usbvision);
-}
-
-void usbvision_set_power_off_timer(struct usb_usbvision *usbvision)
-{
- mod_timer(&usbvision->power_off_timer, jiffies + USBVISION_POWEROFF_TIME);
-}
-
-void usbvision_reset_power_off_timer(struct usb_usbvision *usbvision)
-{
- if (timer_pending(&usbvision->power_off_timer))
- del_timer(&usbvision->power_off_timer);
-}
-