Hi!

> + * video stream multiplexer controlled via gpio or syscon
> + *
> + * Copyright (C) 2013 Pengutronix, Sascha Hauer <kernel@pengutronix.de>
> + * Copyright (C) 2016 Pengutronix, Philipp Zabel <kernel@pengutronix.de>

This is actually quite interesting. Same email address for two
people...

Plus, I believe this wants to say that copyright is with Pengutronix,
not Sascha and Philipp. In that case you probably want to list
copyright and authors separately?

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html