register 0x00 contains 0xa1 for STV0299 and STV0299B
register 0x00 might contain 0x80 when returning from standby
Signed-off-by: NIgor M. Liplianin <liplianin@me.by>
Acked-by: NSergey Silkin <neovision@rambler.ru>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>