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

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

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>

authored by

Hans Verkuil and committed by

Mauro Carvalho Chehab 6 years ago 428d3c86 b6c96e15

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Documentation

media

uapi

cec

cec-ioc-g-mode.rst

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Documentation/media/uapi/cec/cec-ioc-g-mode.rst

··· 294 294 The requested mode is invalid. 295 295 296 296 EPERM 297 - Monitor mode is requested without having root permissions 297 + Monitor mode is requested, but the process does have the ``CAP_NET_ADMIN`` 298 + capability. 298 299 299 300 EBUSY 300 301 Someone else is already an exclusive follower or initiator.