The audio switch is at 0x100 and radio on gpio 21.
Tested-by: NThomas Genty <tomlohave@gmail.com>
Signed-off-by: NDavid Bentham <db260179@hotmail.com>
Reviewed-by: NHermann Pitton <hermann-pitton@arcor.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>