davinci_vpfe: cast to correct types.

drivers/media/video/davinci_vpfe.c

@@ -890,23 +890,23 @@ static int vpfe_doioctl(struct inode *inode, struct file *file,
 		fh->io_allowed = TRUE;
 		vpfe->io_usrs = 1;
 		INIT_LIST_HEAD(&vpfe->dma_queue);
-		ret = videobuf_reqbufs(&vpfe->bufqueue, arg);
+		ret = videobuf_reqbufs(&vpfe->bufqueue, (struct v4l2_requestbuffers *)arg);
 		up(&vpfe->lock);
 		break;
 	case VIDIOC_QUERYBUF:
-		ret = videobuf_querybuf(&vpfe->bufqueue, arg);
+		ret = videobuf_querybuf(&vpfe->bufqueue, (struct v4l2_buffer *)arg);
 		break;
 	case VIDIOC_QBUF:
 		if (!fh->io_allowed)
 			ret = -EACCES;
 		else
-			ret	= videobuf_qbuf(&vpfe->bufqueue, arg);
+			ret = videobuf_qbuf(&vpfe->bufqueue, (struct v4l2_buffer *)arg);
 		break;
 	case VIDIOC_DQBUF:
 		if (!fh->io_allowed)
 			ret = -EACCES;
 		else
-			ret	=  videobuf_dqbuf(&vpfe->bufqueue, arg, 0);
+			ret = videobuf_dqbuf(&vpfe->bufqueue, (struct v4l2_buffer *)arg, file->f_flags & O_NONBLOCK);
 		break;
 	case VIDIOC_STREAMON:
 		if (!fh->io_allowed)
@@ -934,7 +934,7 @@ static int vpfe_doioctl(struct inode *inode, struct file *file,
 		debug_print(KERN_INFO "cur frame %x.\n",
 					vpfe->dma_queue.next);
 		vpfe->nextFrm = vpfe->curFrm = list_entry(vpfe->dma_queue.next,
-												  struct videobuf_buffer, queue);
+							  struct videobuf_buffer, queue);
 		/* remove the buffer from the queue */
 		list_del(&vpfe->curFrm->queue);
 		vpfe->curFrm->state = STATE_ACTIVE;