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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>
This commit is contained in:
Mauro Carvalho Chehab 2017-09-01 07:59:59 -04:00
parent 39a7c8a8b5
commit 12fe8a4100
1 changed files with 2 additions and 1 deletions
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Documentation/media/uapi/dvb/ca-reset.rst
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@ -28,7 +28,8 @@ Arguments
Description
-----------
.. note:: This ioctl is undocumented. Documentation is welcome.
Puts the Conditional Access hardware on its initial state. It should
be called before start using the CA hardware.
Return Value