V4L/DVB: em28xx: fix locks during dvb init sequence
Serialize DVB initialization, to avoid it to happen while analog
initialization is still happening.
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>
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Serialize DVB initialization, to avoid it to happen while analog
initialization is still happening.
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>