media: v4l2-common.h: document helper functions

There are several helper functions that aren't documented.

Document them.

Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab 2017-09-22 09:03:54 -04:00
commit 76a59fe770
2 changed files with 96 additions and 25 deletions