uvc bulk fix

diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index 898c208..076f587 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -1847,6 +1847,12 @@ int uvc_video_enable(struct uvc_streaming *stream, int enable)

 	if (!enable) {
 		uvc_uninit_video(stream, 1);
+		if (!(stream->intf->num_altsetting > 1)) {
+			usb_clear_halt(stream->dev->udev,
+				usb_rcvctrlpipe(stream->dev->udev,
+						stream->intfnum));
+		}
+		//usb_rcvctrlpipe(stream->dev->udev, 0x7));
 		usb_set_interface(stream->dev->udev, stream->intfnum, 0);
 		uvc_queue_enable(&stream->queue, 0);
 		uvc_video_clock_cleanup(stream);