Document this new cec_msg flag.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
---
Documentation/media/uapi/cec/cec-ioc-receive.rst | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/Documentation/media/uapi/cec/cec-ioc-receive.rst b/Documentation/media/uapi/cec/cec-ioc-receive.rst
index c3a685ff05cb..22187a659525 100644
--- a/Documentation/media/uapi/cec/cec-ioc-receive.rst
+++ b/Documentation/media/uapi/cec/cec-ioc-receive.rst
@@ -223,6 +223,16 @@ View On' messages from initiator 0xf ('Unregistered') to destination 0 ('TV').
result of the :ref:`ioctl CEC_TRANSMIT <CEC_TRANSMIT>`, and once via
:ref:`ioctl CEC_RECEIVE <CEC_RECEIVE>`.
+ * .. _`CEC-MSG-FL-RAW`:
+
+ - ``CEC_MSG_FL_RAW``
+ - 2
+ - Normally CEC messages are validated before transmitting them. If this
+ flag is set when :ref:`ioctl CEC_TRANSMIT <CEC_TRANSMIT>` is called *and*
+ the ioctl was called with superuser privileges, then no validation takes
+ place and the message is transmitted as-is. This is useful when
+ debugging CEC issues.
+
.. tabularcolumns:: |p{5.6cm}|p{0.9cm}|p{11.0cm}|
@@ -358,7 +368,8 @@ ENOTTY
EPERM
The CEC adapter is not configured, i.e. :ref:`ioctl CEC_ADAP_S_LOG_ADDRS <CEC_ADAP_S_LOG_ADDRS>`
- has never been called.
+ has never been called, or ``CEC_MSG_FL_RAW`` was used without superuser
+ privileges.
ENONET
The CEC adapter is not configured, i.e. :ref:`ioctl CEC_ADAP_S_LOG_ADDRS <CEC_ADAP_S_LOG_ADDRS>`
--
2.20.1
