AMDGPU_MAX_BL_LEVEL
else if (bd->props.brightness > AMDGPU_MAX_BL_LEVEL)
level = AMDGPU_MAX_BL_LEVEL;
props.max_brightness = AMDGPU_MAX_BL_LEVEL;
return DIV_ROUND_CLOSEST_ULL(input * AMDGPU_MAX_BL_LEVEL, max - min);
return min + DIV_ROUND_CLOSEST_ULL(input * (max - min), AMDGPU_MAX_BL_LEVEL);