asus-wmi: add keyboard backlight support
Based on a patch from Nate Weibley. <nweibley@gmail.com>. Cc: Nate Weibley <nweibley@gmail.com> Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Matthew Garrett <mjg@redhat.com>
Based on a patch from Nate Weibley. <nweibley@gmail.com>. Cc: Nate Weibley <nweibley@gmail.com> Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Matthew Garrett <mjg@redhat.com>