Looking at the code under applyDpms() it looks like it makes no attempt to write to the config file. Just runs xset. It does attempt to read config parameters from the file, though.
-- Display / Power saving settings are not kept https://launchpad.net/bugs/46585 -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs
