Commit 
58f896d859ce ("[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: 58f896d859ce ("[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>
        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);