Use SAA7146_IER_ENABLE/DISABLE to enable or disable a hardware interrupt.
Signed-off-by: NHartmut Birr <e9hack@gmail.com>
Signed-off-by: NOliver Endriss <o.endriss@gmx.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>