@stblack: the "fix" for this bug involved blackisting the samsung-laptop module for the UEFI mode. In CMS, the samsung-laptop module is not blacklisted. Therefore you must use the CMS mode in order to have the functionality of the samsung-laptop module which includes keyboard backlighting.
@stblack: the "fix" for this bug involved blackisting the samsung-laptop module for the UEFI mode. In CMS, the samsung-laptop module is not blacklisted. Therefore you must use the CMS mode in order to have the functionality of the samsung-laptop module which includes keyboard backlighting.