From d8dba3dafef2bcc70e95b92800a067dd96affae7 Mon Sep 17 00:00:00 2001
From: Henrik Brix Andersen <hebad@vestas.com>
Date: Mon, 13 Dec 2021 23:24:45 +0100
Subject: [PATCH] doc: reference: include two levels of titles in the toc

The Zephyr API grouping can be a bit difficult to maneuver. Ease this up
a bit by expanding the table of contents to contain two levels of
titles.

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
---
 doc/reference/index.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/reference/index.rst b/doc/reference/index.rst
index d21275103dd..d132c578064 100644
--- a/doc/reference/index.rst
+++ b/doc/reference/index.rst
@@ -4,7 +4,8 @@ API Reference
 #############
 
 .. toctree::
-   :maxdepth: 1
+   :titlesonly:
+   :maxdepth: 2
 
    api/index.rst
    audio/index.rst