Ray J -- Cops Who Took My Pic Did NOTHING Wrong

If the LAPD officers who snapped a few photos with Ray J need a character witness, they can just call him ... because he's got nothing but love for the L.A. popo.

TMZ broke the story ... 2 cops are under investigation after they posed with Ray J after letting him off the hook for allegedly texting while driving.

Ray J told our photog Tuesday night at LAX ... the cops did not cross the line and he will sing their praises to the skies.

Ray declared his undying affection for LAPD but didn't mention the Bev Hills PD ... he's currently facing charges for allegedly kicking in a squad car window and spitting on an officer during a drunken rage.