Originally Posted by gatalon
when you see a movie i don't think the default rotation direction is convenient if you use a display monitor connect to your kindle through hdmi port.
you will see the screen up side down, sometimes you have to change the rotation manully, anybody experience this? fix?
The setting was changed in later CM builds, unfortunately the change didn't reset the persistent property.
From the built-in Terminal app:
(agree to SuperUser permissions if necessary)
setprop persist.hwc.mirroring.transform 2
Reboot and check HDMI rotation again.