https://bugzilla.kernel.org/show_bug.cgi?id=63941
Alex Deucher <alexdeucher at gmail.com> changed:
What |Removed |Added
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CC| |alexdeucher at gmail.com
--- Comment #4 from Alex Deucher <alexdeucher at gmail.com> ---
The radeon driver should add a backlight control if the platform utilizes the
GPU's backlight controller. If there is no radeon backlight interface, the
platform uses some OEM specific backlight control (probably Intel or ACPI). I
suspect you will have to use the intel backlight control to control the
backlight.
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