[ltp] Command to dim the LCD brightness

[André Wyrwa]

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Hi,

> could you be more specific in how could I use ACPI to lower brightness=20
> (not turn off) of my LCD ?? It must be possible since the Fn-Home and=20
> Fn-End thinkpad keys do that ....

The Fn-Home/End keys are interacting with the BIOS, bypassing ACPI.

See Documentation/power/video_extension.txt in your kernel source tree for =
the new ACPI video interface.

Andr=E9.


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