[media] doc-rst: cec: update documentation

Update and expand the CEC documentation. Especially w.r.t. non-blocking
mode.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Hans Verkuil 2016-07-19 06:26:13 -03:00 • committed by Mauro Carvalho Chehab
commit e5208ed280
6 changed files with 110 additions and 58 deletions