From 54538b42dde7ec4496cfd504ddea468263e0aa59 Mon Sep 17 00:00:00 2001
From: Gergely Nagy <algernon@madhouse-project.org>
Date: Wed, 1 Feb 2017 22:55:49 +0100
Subject: [PATCH] Fix the cap computation

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>
---
 src/Akela/Heatmap.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Akela/Heatmap.cpp b/src/Akela/Heatmap.cpp
index a7ae9410..ecb04583 100644
--- a/src/Akela/Heatmap.cpp
+++ b/src/Akela/Heatmap.cpp
@@ -112,7 +112,7 @@ namespace Akela {
     loopCount = 0;
     for (uint8_t r = 0; r < ROWS; r++) {
       for (uint8_t c = 0; c < COLS; c++) {
-        uint8_t cap = totalKeys || 1;
+        uint8_t cap = max(totalKeys, 1);
         float v = float(heatmap[r][c]) / cap;
         LEDControl.led_set_crgb_at (r, c, computeColor (v));
       }