media: ca-reset.rst: add some description to this ioctl

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While we don't have any documentation for it, based on what's
there at Kaffeine and VDR, it seems that this command should
be issued before start using CA. So, document it as such.

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

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Mauro Carvalho Chehab 2017-09-01 07:59:59 -04:00

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commit 12fe8a4100

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Documentation/media/uapi/dvb/ca-reset.rst

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