Add USB digital audio documentation
Bug: 16836983
Change-Id: I3dea7054b37fea42c7fa89c1a22ed100e00551fd
diff --git a/src/devices/devices_toc.cs b/src/devices/devices_toc.cs
index b20ea6d..7fd0900 100644
--- a/src/devices/devices_toc.cs
+++ b/src/devices/devices_toc.cs
@@ -49,6 +49,7 @@
<li><a href="<?cs var:toroot ?>devices/audio_src.html">Sample Rate Conversion</a></li>
<li><a href="<?cs var:toroot ?>devices/audio_terminology.html">Terminology</a></li>
<li><a href="<?cs var:toroot ?>devices/audio_debugging.html">Debugging</a></li>
+ <li><a href="<?cs var:toroot ?>devices/audio_usb.html">USB Digital Audio</a></li>
</ul>
</li>
<li><a href="<?cs var:toroot ?>devices/bluetooth.html">Bluetooth</a></li>