---

yaml
---
r: 192883
b: refs/heads/master
c: 63b59ce
h: refs/heads/master
i:
  192881: d5e60fc
  192879: 2b55d39
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 844cc0dcb588ee7005c70cffd92ee7a0c1270729
+refs/heads/master: 63b59cecb2fa0a274d1c7240112460816d826988

trunk/drivers/media/video/tvp514x.c

@@ -79,6 +79,8 @@ struct tvp514x_std_info {
 };
 
 static struct tvp514x_reg tvp514x_reg_list_default[0x40];
+
+static int tvp514x_s_stream(struct v4l2_subdev *sd, int enable);
 /**
  * struct tvp514x_decoder - TVP5146/47 decoder object
  * @sd: Subdevice Slave handle
@@ -644,6 +646,17 @@ static int tvp514x_s_routing(struct v4l2_subdev *sd,
 		/* Index out of bound */
 		return -EINVAL;
 
+	/*
+	 * For the sequence streamon -> streamoff and again s_input
+	 * it fails to lock the signal, since streamoff puts TVP514x
+	 * into power off state which leads to failure in sub-sequent s_input.
+	 *
+	 * So power up the TVP514x device here, since it is important to lock
+	 * the signal at this stage.
+	 */
+	if (!decoder->streaming)
+		tvp514x_s_stream(sd, 1);
+
 	input_sel = input;
 	output_sel = output;