bounds. To enumerate all audio outputs applications shall begin at index
zero, incrementing by one until the driver returns ``EINVAL``.
-.. note:: Connectors on a TV card to loop back the received audio signal
+.. note::
+
+ Connectors on a TV card to loop back the received audio signal
to a sound card are not audio outputs in this sense.
See :ref:`VIDIOC_G_AUDIOout <VIDIOC_G_AUDOUT>` for a description of struct