I'm not a programmer so excuse me if this remark is completely
illogical. I was reading this and wondering why we need a rotate_daemon?

There seem to be a number of actions related to screen rotation:
* rotating the screen to and from tablet mode
* vertically rotating the laptop itself
* pushing the rotate display button on the screen edge
If all these actions trigger ACPI events, couldn't they just be handled by an 
ACPI action script that executes xrandr and xsetwacom rotate commands?

If we do need a rotate daemon, can't it then handle all these actions so
it can just be started at boot? If not, I guess it will be responsible
for handling the accelerometer-driven events. It should be able to
detect whether the laptop is in tablet mode or not, right? This way it
could be enabled at all times (e.g. loaded at boot).

p.s. other distributions either support it already or are not paying much 
attention to it:
* https://bugzilla.redhat.com/show_bug.cgi?id=366211
* http://en.opensuse.org/TabletPCs

-- 
Lenovo Thinkpad x41 Tablet and X60 Tablet rotate events
https://bugs.launchpad.net/bugs/159026
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