[media] v4l2-device.h: document functions

The functions at v4l2-device.h are not using the proper
markups. Add it, and include at the v4l2-core.rst.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab 2016-07-20 13:05:05 -03:00
commit 575f93084d
2 changed files with 145 additions and 55 deletions