[Bug 58181] Maximum screen brightness capped at 80 under gma500

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=58181

--- Comment #4 from Jani Nikula <jani.nikula at intel.com> ---
FYI, if the hotkeys work through acpi, they respect the brightness levels from
BIOS. This means there's a fixed set of levels, the lowest of which may not be
0%, and the highest may not be 100%.

Disclaimer: I don't know how any of this works in gma500.

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