From da244ffcaa9bb1a9eb5b3b81d546965b8d30ac91 Mon Sep 17 00:00:00 2001
From: Gunar Schorcht <gunar@schorcht.net>
Date: Mon, 24 Feb 2020 18:23:34 +0100
Subject: [PATCH] cpu/atmega_common: fix compile problem with NDEBUG

---
 cpu/atmega_common/periph/rtt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cpu/atmega_common/periph/rtt.c b/cpu/atmega_common/periph/rtt.c
index a35b7d591c..0719117c34 100644
--- a/cpu/atmega_common/periph/rtt.c
+++ b/cpu/atmega_common/periph/rtt.c
@@ -206,6 +206,7 @@ static inline uint8_t _rtt_div(uint16_t freq)
     case   128: return 0x6;
     case    32: return 0x7;
     default   : assert(0);
+                return 0;
     }
 }