[media] gen-errors.rst: document EIO
Document the EIO error since this can happen anywhere anytime and applications
should be aware of this.
Also fix typo: exaustive -> exhaustive
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
diff --git a/Documentation/media/uapi/gen-errors.rst b/Documentation/media/uapi/gen-errors.rst
index 6e983b9..d39e34d 100644
--- a/Documentation/media/uapi/gen-errors.rst
+++ b/Documentation/media/uapi/gen-errors.rst
@@ -94,9 +94,17 @@
- Permission denied. Can be returned if the device needs write
permission, or some special capabilities is needed (e. g. root)
+ - .. row 11
+
+ - ``EIO``
+
+ - I/O error. Typically used when there are problems communicating with
+ a hardware device. This could indicate broken or flaky hardware.
+ It's a 'Something is wrong, I give up!' type of error.
+
.. note::
- #. This list is not exaustive; ioctls may return other error codes.
+ #. This list is not exhaustive; ioctls may return other error codes.
Since errors may have side effects such as a driver reset,
applications should abort on unexpected errors, or otherwise
assume that the device is in a bad state.