Reading one of the linked comments, it's even more interesting because the "Samsung proprietary code" looks clearly copied from the Linux kernel: http://phoronix.com/forums/showthread.php?82576-Samsung-Acci...

Sometimes I wonder if much of the corporate fear of open source is that it would slow development and restrict code reuse, since rather than just swiping the code and releasing the driver, once it's out in the open they'd also have to have endless discussion of what is and is not a derived work.