media: cec-ioc-g-mode.rst: be more specific when EPERM is returned

Document which capability is required, rather than just saying
that "root permissions" are required.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Hans Verkuil 2019-05-22 05:22:20 -04:00 committed by Mauro Carvalho Chehab
parent b6c96e1568
commit 428d3c867d
1 changed files with 2 additions and 1 deletions

View File

@ -294,7 +294,8 @@ EINVAL
The requested mode is invalid.
EPERM
Monitor mode is requested without having root permissions
Monitor mode is requested, but the process does have the ``CAP_NET_ADMIN``
capability.
EBUSY
Someone else is already an exclusive follower or initiator.