media: ca-reset.rst: add some description to this ioctl
authorMauro Carvalho Chehab <mchehab@s-opensource.com>
Fri, 1 Sep 2017 11:59:59 +0000 (07:59 -0400)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Tue, 5 Sep 2017 10:11:44 +0000 (06:11 -0400)
commit12fe8a410053739cd6b1228db69da68b22dbf7e6
treef509af8134f27c12e1b5ef1184fa4acc0f5e0526
parent39a7c8a8b5fb679f1f2d77f0f30efe1d14ff0dbc
media: ca-reset.rst: add some description to this ioctl

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