media: gen-errors.rst: document ENXIO error code

This error can be produced at least at the DVB subsystem. As it is generic enough, document it. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-09-01 12:20:12 -04:00 · 2017-09-01 12:20:12 -04:00 · 4e3b0cab6d
commit 4e3b0cab6d
parent d12502b84c
1 changed files with 5 additions and 0 deletions
--- a/Documentation/media/uapi/gen-errors.rst
+++ b/Documentation/media/uapi/gen-errors.rst
@ -80,6 +80,11 @@ Generic Error Codes
          a hardware device. This could indicate broken or flaky hardware.
 	  It's a 'Something is wrong, I give up!' type of error.

+    -  - ``ENXIO``
+
+       -  No device corresponding to this device special file exists.
+
+
 .. note::

  #. This list is not exhaustive; ioctls may return other error codes.