On Mon, Apr 28, 2014 at 11:19:29AM +0800, Aaron Lu wrote:
> When we set backlight on behalf of ACPI opregion, we will convert the
> backlight value in the 0-255 range defined in opregion to the actual
> hardware level. Commit 22505b82a2 (drm/i915: avoid brightness overflow
> when doing scale) is me
When we set backlight on behalf of ACPI opregion, we will convert the
backlight value in the 0-255 range defined in opregion to the actual
hardware level. Commit 22505b82a2 (drm/i915: avoid brightness overflow
when doing scale) is meant to fix the overflow problem when doing the
conversion, but it
