This patch cleans up a potential mess that has yet to occur in the
card-specific part of cx88-tvaudio.c that sets sound input from external adc.
It may be a good idea to move this setting into cx88-cards.c in the future.
Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>