media: Documentation: v4l: document request API

Document the request API for V4L2 devices, and amend the documentation
of system calls influenced by it.

Signed-off-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Alexandre Courbot 2018-05-21 04:54:54 -04:00 • committed by Mauro Carvalho Chehab
commit cbb6a7f52b
13 changed files with 739 additions and 10 deletions