Glad to know everything is working.
I still don't know what is Fn+F12 supposed to do (the icon looks like a padlock with a vertical double arrow inside), so...
It's the scroll lock, more info here
* Is there any option to turn off the backlight without turning off the screen completely? I think this is what Fn+F5 should do, right?
Exactly. At the moment the 'samsung-scripts' use the 'vbetool' command line utility to turn off screen completely, it's the best we can have.
Also the Fn-F8 does not behave as it should. It should manage the CPU fan instead of CPU governors.
Both keys' behaviour is changed in 'Samsung Tools', now they work as they were meant to do, by using the 'easy-slow-down-manager' interface which provides control of the screen backlight, wireless toggling and cpu fan modes.
* Are you going to try to push this patches upstream?
No, since kernels >= 2.6.32 manage FN keys in a different way, by fixing definitely the usual problems with them. My kernel patches are just a temporary workaround for kernel 2.6.31 shipped with ubuntu karmic.
PS. If you need a Spanish translator for Samsung Tools or any other project just let me know.
Sure, this would be great.
I've added the Spanish template to the project, it's already available and ready to be translated through the Launchpad translations system.
Thank you very much for your support.
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