---

yaml --- r: 271962 b: refs/heads/master c: 24465b4 h: refs/heads/master v: v3
git-mirror · Oct 14, 2011 · 791051a · 791051a
1 parent 39dfd34
commit 791051a
Show file tree

Hide file tree

Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: af76e9f625b235f46d2a2002c4102f6f1249dcf4
+refs/heads/master: 24465b448546e10666ad6021be0615214a258cbc
diff --git a/trunk/drivers/media/video/cx23885/cx23885-video.c b/trunk/drivers/media/video/cx23885/cx23885-video.c
@@ -1100,6 +1100,14 @@ static int vidioc_streamon(struct file *file, void *priv,
 
 	if (unlikely(!res_get(dev, fh, get_resource(fh))))
 		return -EBUSY;
+
+	/* Don't start VBI streaming unless vida streaming
+	 * has already started.
+	 */
+	if ((fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) &&
+		((cx_read(VID_A_DMA_CTL) & 0x11) == 0))
+		return -EINVAL;
+
 	return videobuf_streamon(get_queue(fh));
 }