Originally Posted by altruizine
I've compared the Linux trees Sony distributes for the Sony PRS-T1 the PRS-T2, respectively:
The new extension interface is in these files: drivers/video/mxc/mxc_epdc_fb.c, include/linux/mxcfb_epdc_kernel.h
The video-driver extension interface is by far not the only change; there's tons of minor bug fixes, platform updates, power-management enhancements, minor quirks stuff, plus a few security fixes thrown in for good measure.
Okay, thanks for clarifying. I had diffed those two source trees last night and saw thousands of differences, so I thought you might have been comparing something else. I'm amazed you were able to find that one change out of the vast number of others, like finding a needle in a haystack.