It's clearly the max for me when Backlight is on 0, don't know. You don't have this bouncing behavior? Maybe it's the intel video card. As for the brightness file, I can't find it, is it a text file?
> locate brightness /etc/acpi/video_brightnessdown.sh /etc/acpi/video_brightnessup.sh /etc/acpi/events/asus-brightness-down /etc/acpi/events/asus-brightness-up /etc/acpi/events/panasonic-brightness-down /etc/acpi/events/panasonic-brightness-up /etc/acpi/events/video_brightnessdown /etc/acpi/events/video_brightnessup /etc/acpi/resume.d/50-tosh-restore-brightness.sh /etc/acpi/suspend.d/50-tosh-save-brightness.sh /etc/laptop-mode/conf.d/lcd-brightness.conf /usr/lib/gegl-0.0/brightness-contrast.so /usr/lib/gnome-power-manager/gnome-brightness-applet /usr/lib/hal/scripts/hal-system-lcd-get-brightness /usr/lib/hal/scripts/hal-system-lcd-set-brightness /usr/lib/hal/scripts/linux/hal-system-lcd-get-brightness-linux /usr/lib/hal/scripts/linux/hal-system-lcd-set-brightness-linux
and some brightness icons.....
It's clearly the max for me when Backlight is on 0, don't know. You don't have this bouncing behavior? Maybe it's the intel video card.
As for the brightness file, I can't find it, is it a text file?
> locate brightness video_brightnes sdown.sh video_brightnes sup.sh events/ asus-brightness -down events/ asus-brightness -up events/ panasonic- brightness- down events/ panasonic- brightness- up events/ video_brightnes sdown events/ video_brightnes sup resume. d/50-tosh- restore- brightness. sh suspend. d/50-tosh- save-brightness .sh mode/conf. d/lcd-brightnes s.conf gegl-0. 0/brightness- contrast. so gnome-power- manager/ gnome-brightnes s-applet hal/scripts/ hal-system- lcd-get- brightness hal/scripts/ hal-system- lcd-set- brightness hal/scripts/ linux/hal- system- lcd-get- brightness- linux hal/scripts/ linux/hal- system- lcd-set- brightness- linux
/etc/acpi/
/etc/acpi/
/etc/acpi/
/etc/acpi/
/etc/acpi/
/etc/acpi/
/etc/acpi/
/etc/acpi/
/etc/acpi/
/etc/acpi/
/etc/laptop-
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
and some brightness icons.....