V4L/DVB (10945): pwc : fix LED and power setup for first open
Call pwc_construct before trying to talk to device to obtain vc interface so that LED and power setup works the first time the video device is opened. Signed-off-by: NMartin Fuzzey <mfuzzey@gmail.com> Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>
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