A small summary of the lines above: "/usr/bin/lipc-set-prop com.lab126.winmgr orientationLock (L|R|D)" "U" is not supported, so no 180° rotation.
xrandr sounds promising to rotate the screen.
xorg.conf includes 'Option "Rotate" "CW"' or 'Option "Rotate" "CCW"' depending on the Kindle model which will disable the xrandr rotation. One must remove it and enable RandRRotation.
The init script /etc/init/makexconfig re-creates /var/local/xorg.conf on X11 startup.
I removed the lines from /etc/init/makexconfig and added 'Option "RandRRotation" "on"' without success. (I killed xlinit to restart X and to recreate xorg.conf.)
Rotating the screen should work with "xrandr -o inverted" while it fails for me (PW3/5.6.5) with:
X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 141 (RANDR)
Minor opcode of failed request: 2 (RRSetScreenConfig)
Serial number of failed request: 14
Current serial number in output stream: 14
So no joy here unless someone has a brilliant idea.
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