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Can't change brightness on Acer 4810t (8.04)

Link to this post 30 Aug 09

Hi

I haven't had a chance to do an exhaustive test of all of the following, but thought it might be useful to give you the list of files on my system containing the term 'brightness'

file:///etc/acpi/events/asus-brightness-down
file:///etc/acpi/events/asus-brightness-up
file:///etc/acpi/events/panasonic-brightness-down
file:///etc/acpi/events/panasonic-brightness-up
file:///etc/acpi/events/sony-brightness-down
file:///etc/acpi/events/sony-brightness-up
file:///etc/acpi/events/thinkpad-brightness-down
file:///etc/acpi/events/thinkpad-brightness-up
file:///etc/acpi/events/tosh-brightness-down
file:///etc/acpi/events/tosh-brightness-up
file:///etc/acpi/events/video_brightnessdown
file:///etc/acpi/events/video_brightnessup
file:///etc/acpi/resume.d/50-tosh-restore-brightness.sh
file:///etc/acpi/suspend.d/50-tosh-save-brightness.sh
file:///etc/acpi/thinkpad-brightness-down.sh
file:///etc/acpi/thinkpad-brightness-up.sh
file:///etc/acpi/video_brightnessdown.sh
file:///etc/acpi/video_brightnessup.sh
file:///proc/acpi/acer/brightness
file:///proc/acpi/video/OVGA/DD01/brightness
file:///proc/acpi/video/OVGA/DD02/brightness
file:///proc/acpi/video/OVGA/DD03/brightness
file:///proc/acpi/video/OVGA/DD04/brightness
file:///proc/acpi/video/OVGA/DD05/brightness
file:///proc/acpi/video/VGA/CRT/brightness
file:///proc/acpi/video/VGA/HDV0/brightness
file:///proc/acpi/video/VGA/LCD/brightness
file:///proc/acpi/video/VGA/TV/brightness
file:///sys/devices/pci0000:00/0000:00:1c.1/0000:02:00.0/leds/iwl-phy0:assoc/brightness
file:///sys/devices/pci0000:00/0000:00:1c.1/0000:02:00.0/leds/iwl-phy0:radio/brightness
file:///sys/devices/pci0000:00/0000:00:1c.1/0000:02:00.0/leds/iwl-phy0:RX/brightness
file:///sys/devices/pci0000:00/0000:00:1c.1/0000:02:00.0/leds/iwl-phy0:TX/brightness
file:///sys/devices/platform/acer_acpi/backlight/acer_acpi/actual_brightness
file:///sys/devices/platform/acer_acpi/backlight/acer_acpi/brightness
file:///sys/devices/platform/acer_acpi/backlight/acer_acpi/max_brightness
file:///sys/devices/virtual/backlight/acpi_video0/actual_brightness
file:///sys/devices/virtual/backlight/acpi_video0/brightness
file:///sys/devices/virtual/backlight/acpi_video0/max_brightness
file:///sys/devices/virtual/backlight/acpi_video1/actual_brightness
file:///sys/devices/virtual/backlight/acpi_video1/brightness
file:///sys/devices/virtual/backlight/acpi_video1/max_brightness
file:///sys/module/acer_acpi/parameters/brightness
file:///usr/lib/hal/scripts/hal-system-lcd-get-brightness
file:///usr/lib/hal/scripts/hal-system-lcd-set-brightness
file:///usr/lib/hal/scripts/linux/hal-system-lcd-get-brightness-linux
file:///usr/lib/hal/scripts/linux/hal-system-lcd-set-brightness-linux
file:///usr/share/hal/fdi/policy/10osvendor/10-dell-laptop-brightness.fdi

Jim

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