[media] tuner-core: handle errors when getting signal strength/afc

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If those callbacks fail, it should return zero, and not a random
value. The previous code assumed that all drivers would only change
signal strength if it succeeds, but this may not be true.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

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Mauro Carvalho Chehab 2013-03-25 09:55:59 -03:00

parent 6f8ca0b541

commit 004e45d736

1 changed files with 6 additions and 4 deletions

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drivers/media/v4l2-core/tuner-core.c

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