DESCRIPTION
Some Toshiba computers have a special I/O controller that handles various interface devices. This special I/O controller is accessed by the “GHCI” ACPI method. The
vald driver provides some support for it.
The vald driver handles the following hot-keys:
-
Fn+F5
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Switch between LCD and External Video output.
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Fn+F6
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Decrease LCD brightness.
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Fn+F7
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Increase LCD brightness.
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Fn+F8
-
Switch fan (ON/OFF).
The vald driver has only been tested on the Libretto L3 and on the Portege 3440.