+/*
+ * omap3isp_video_cancel_stream - Cancel stream on a video node
+ * @video: ISP video object
+ *
+ * Cancelling a stream mark all buffers on the video node as erroneous and makes
+ * sure no new buffer can be queued.
+ */
+void omap3isp_video_cancel_stream(struct isp_video *video)
+{
+ struct isp_video_queue *queue = video->queue;
+ unsigned long flags;
+
+ spin_lock_irqsave(&queue->irqlock, flags);
+
+ while (!list_empty(&video->dmaqueue)) {
+ struct isp_video_buffer *buf;
+
+ buf = list_first_entry(&video->dmaqueue,
+ struct isp_video_buffer, irqlist);
+ list_del(&buf->irqlist);
+
+ buf->state = ISP_BUF_STATE_ERROR;
+ wake_up(&buf->wait);
+ }
+
+ video->error = true;
+
+ spin_unlock_irqrestore(&queue->irqlock, flags);
+}
+