From e3f112affc62f2c51fc0b31bc40808a1a96324c9 Mon Sep 17 00:00:00 2001
From: Nate Soares <nate@so8r.es>
Date: Thu, 4 Jan 2018 10:21:30 -0800
Subject: [PATCH] fixed bug in wrap-around

---
 src/Kaleidoscope-LEDControl.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/Kaleidoscope-LEDControl.cpp b/src/Kaleidoscope-LEDControl.cpp
index 3a9a0d53..21cbfca6 100644
--- a/src/Kaleidoscope-LEDControl.cpp
+++ b/src/Kaleidoscope-LEDControl.cpp
@@ -37,13 +37,14 @@ void LEDControl::next_mode(void) {
 void LEDControl::prev_mode(void) {
   if (mode == 0) {
     // wrap around
-    mode = LED_MAX_MODES;
+    mode = LED_MAX_MODES - 1;
     // then  count down until reaching a valid mode
     while (mode > 0 && !modes[mode]) mode--;
   } else {
     mode--;
   }
-  set_mode(mode);
+
+  return set_mode(mode);
 }
 
 void