From 9efd47952e368bc60c71f22d1e47160c7c6e5644 Mon Sep 17 00:00:00 2001
From: Marian Buschsieweke <marian.buschsieweke@ovgu.de>
Date: Thu, 9 Apr 2020 13:34:51 +0200
Subject: [PATCH] drivers/ws281x: Extended doc

Point out that automatic backend selection is performed, when no backend is
selected.
---
 drivers/include/ws281x.h | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/include/ws281x.h b/drivers/include/ws281x.h
index f4d210e840..fe448ee198 100644
--- a/drivers/include/ws281x.h
+++ b/drivers/include/ws281x.h
@@ -48,7 +48,17 @@
  *
  * ### Usage
  *
- * Add the following to your `Makefile` to use:
+ * Add the following to your `Makefile`:
+ *
+ * * Auto-selecting the backend:
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Makefile
+ * USEMODULE += ws281x
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This will automatically pull in one of the backends supported by your board.
+ * In case multiple backends apply and the automatic selection does not pick
+ * your preferred backend, you can manually pick your preferred backend as
+ * described below.
  *
  * * the ATmega backend:
  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Makefile