The same problem. 4 events. The brightnes in/decrased by 2 steps: Ubuntu 11.10 Unity Ubuntu 11.10 Gnome-shell
$ cat /sys/class/dmi/id/sys_vendor Hewlett-Packard $ cat /sys/class/dmi/id/product_name HP Pavilion dm4 Notebook PC $ sudo killall gnome-settings-daemon $ /etc/init.d/acpid stop $ /etc/init.d/hal stop (No such file or directory) $ sudo /lib/udev/keymap -i input/eventX ..... # single decrease brightness button pressed got scan code event 0xAB without a key code event got scan code event 0xAB without a key code event ..... # single increase brightness button pressed (YES !!! the same key-code) got scan code event 0xAB without a key code event got scan code event 0xAB without a key code event ..... $ xev | sed -n 's/^.*state \([0-9].*\), keycode *\([0-9]\+\) *\(.*\), .*$/keycode \2 = \3, state = \1/p' ... # single decrease brightness button pressed keycode 232 = (keysym 0x1008ff03, XF86MonBrightnessDown), state = 0x0 keycode 232 = (keysym 0x1008ff03, XF86MonBrightnessDown), state = 0x0 keycode 232 = (keysym 0x1008ff03, XF86MonBrightnessDown), state = 0x0 keycode 232 = (keysym 0x1008ff03, XF86MonBrightnessDown), state = 0x0 # single increase brightness button pressed keycode 233 = (keysym 0x1008ff02, XF86MonBrightnessUp), state = 0x0 keycode 233 = (keysym 0x1008ff02, XF86MonBrightnessUp), state = 0x0 keycode 233 = (keysym 0x1008ff02, XF86MonBrightnessUp), state = 0x0 keycode 233 = (keysym 0x1008ff02, XF86MonBrightnessUp), state = 0x0 I think that's all... Binding these commands to other hotkeys helps me.... not critical but .... xbacklight -inc 10 xbacklight -dec 10 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/207473 Title: Screen brightness double level changes on Dell laptops To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/207473/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
