1. An electronic device comprising: a housing; at least one infrared (IR) proximity sensor carried by said housing and comprising an IR emitter configured to emit IR illumination toward a user, and an IR sensor configured to sense reflected IR illumination from the user; a camera carried by said housing and configured to capture an image of the user's face based upon the reflected IR illumination; and a controller configured to apply facial recognition to the captured image of the user's face based upon the reflected IR illumination.