From 1c64b78866b4bb920db75a4b19f8ff1eb7f68a76 Mon Sep 17 00:00:00 2001
From: embeddedt <42941056+embeddedt@users.noreply.github.com>
Date: Sun, 28 Nov 2021 20:41:18 -0500
Subject: [PATCH] docs(porting) clarify that displays must be registered before
 input devices

Related: #2844 (thanks @SgtPepperFTW)
---
 docs/porting/indev.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/docs/porting/indev.md b/docs/porting/indev.md
index f09112208..4ecf9e857 100644
--- a/docs/porting/indev.md
+++ b/docs/porting/indev.md
@@ -6,9 +6,11 @@
 
 ## Types of input devices
 
-To register an input device an `lv_indev_drv_t` variable has to be initialized:
+To register an input device an `lv_indev_drv_t` variable has to be initialized. **Be sure to register at least one display before you register any input devices.**
 
 ```c
+lv_disp_drv_register(&disp_drv);
+
 static lv_indev_drv_t indev_drv;
 lv_indev_drv_init(&indev_drv);      /*Basic initialization*/
 indev_drv.type =...                 /*See below.*/