[ltp] thinkpad_acpi max brightness

[Shot (Piotr Szotkowski)]

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Grant Williamson:

> When I boot with either rhel 5.3 beta or Fedora 10,
> the brightness level on AC is set to 12.

> I know that the t61 has a max brightness
> level of 15, I can enable this by

> echo 0 > /sys/devices/virtual/backlight/acpi_video0/brightness
> echo 15 > /sys/devices/virtual/backlight/acpi_video0/brightness

> The difference is noticeable from 12 to 15.

Check your BIOS settings; on many ThinkPads the BIOS by default is to
work in =E2=80=98normal=E2=80=99 (as opposed to =E2=80=98high=E2=80=99) bri=
ghtness; maybe if it=E2=80=99s set
to normal, the system sees 12 as the maximum brightness value.

-- Shot
--=20
When I hear the history of some of the more ugly European cities, with
'...destroyed in 14xx, burnt in 16xx...' I get the urge to ask why they
keep rebuilding it and if they can't get the hint.   -- Lieven Marchand

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