* Our maximum brightness is 500. * However, for safety related reason, I have capped this to 255. * 255 is more than sufficient, and I do not want to be responsible for LED damage. * Finding the default percentage took some trial and error, in this case, 59% correlated to 75. Co-authored-by: rahul <rahul@aospa.co> Signed-off-by: rahul <rahul@aospa.co>