[media] v4l: vsp1: Set the SRU CTRL0 register when starting the stream

commit f6acfcdc upstream.

Commit 58f896d8 ("[media] v4l: vsp1: sru: Make the intensity
controllable during streaming") refactored the stream start code and
removed the SRU CTRL0 register write by mistake. Add it back.

Fixes: 58f896d8 ("[media] v4l: vsp1: sru: Make the intensity controllable during streaming")
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>

drivers/media/platform/vsp1/vsp1_sru.c

@@ -154,6 +154,7 @@ static int sru_s_stream(struct v4l2_subdev *subdev, int enable)
 	mutex_lock(sru->ctrls.lock);
 	ctrl0 |= vsp1_sru_read(sru, VI6_SRU_CTRL0)
 	       & (VI6_SRU_CTRL0_PARAM0_MASK | VI6_SRU_CTRL0_PARAM1_MASK);
+	vsp1_sru_write(sru, VI6_SRU_CTRL0, ctrl0);
 	mutex_unlock(sru->ctrls.lock);
 
 	vsp1_sru_write(sru, VI6_SRU_CTRL1, VI6_SRU_CTRL1_PARAM5);