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System76 EC since system76/ec@9ac513128a detects if the keyboard is white or RGB backlit via `RGBKB-DET#` at run-time instead of being set at compile-time. As part of this, the brightness of white-only backlit keyboards was also changed to behave more like the RGB-backlit keyboards: a value between 0 and 255 instead of a firmware-defined level. The EC ACPI methods in coreboot have been updated for this new functionality only, removing the old behavior. This should preserve behavior as we roll out new firmware with these changes included and users update to it. Link: https://github.com/system76/ec/pull/357 Link: https://review.coreboot.org/c/coreboot/+/76152 Signed-off-by: Tim Crawford <tcrawford@system76.com> Link: https://lore.kernel.org/r/20230719181324.47035-1-tcrawford@system76.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> |
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