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-rw-r--r--Documentation/media/uapi/cec/cec-ioc-adap-g-phys-addr.rst13
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/media/uapi/cec/cec-ioc-adap-g-phys-addr.rst b/Documentation/media/uapi/cec/cec-ioc-adap-g-phys-addr.rst
index a3cdc75cec3e..9e49d4be35d5 100644
--- a/Documentation/media/uapi/cec/cec-ioc-adap-g-phys-addr.rst
+++ b/Documentation/media/uapi/cec/cec-ioc-adap-g-phys-addr.rst
@@ -78,3 +78,16 @@ Return Value
On success 0 is returned, on error -1 and the ``errno`` variable is set
appropriately. The generic error codes are described at the
:ref:`Generic Error Codes <gen-errors>` chapter.
+
+The :ref:`ioctl CEC_ADAP_S_PHYS_ADDR <CEC_ADAP_S_PHYS_ADDR>` can return the following
+error codes:
+
+ENOTTY
+ The ``CEC_CAP_PHYS_ADDR`` capability wasn't set, so this ioctl is not supported.
+
+EBUSY
+ Another filehandle is in exclusive follower or initiator mode, or the filehandle
+ is in mode ``CEC_MODE_NO_INITIATOR``.
+
+EINVAL
+ The physical address is malformed.