download_wait 148 drivers/usb/image/mdc800.c wait_queue_head_t download_wait; download_wait 401 drivers/usb/image/mdc800.c wake_up (&mdc800->download_wait); download_wait 734 drivers/usb/image/mdc800.c wait_event_timeout(mdc800->download_wait, download_wait 996 drivers/usb/image/mdc800.c init_waitqueue_head (&mdc800->download_wait);