Use clamp() to simplify function rtl819x_evm_dbtopercentage() and reduce object file size. Signed-off-by: Michael Straube <straube.linux@gmail.com> Link: https://lore.kernel.org/r/20200118195305.16685-2-straube.linux@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>