Ubuntu
gnome-power-manager package

  1. Bug #555122
  2. Comment #4

Comment 4 for bug 555122

Revision history for this message
Sylvain Miossec (sylvain-miossec) wrote :

Same problem here on Vaio VGN-SR after update to Lucid Lynx.
Brightness does not change with Fn keys and Power management properties.

When doing "sudo echo 52 > /proc/acpi/video/VGA/LCD/brightness" I've got a permission denied error with "ls -al" giving
-rw-r--r-- 1 root root 0 2010-04-30 20:27 brightness
Only when doing "sudo chmod 646 /proc/acpi/video/VGA/LCD/brightness" changing brightness is possible on command line.
But Fn keys and Power management properties are still not changing anything.

I don't know if it's connected, I hope it helps.