From a3b9b7df2ad634f9351a2e4e2fa2ee72d01cf17b Mon Sep 17 00:00:00 2001
From: Selene ToyKeeper
Date: Mon, 16 Aug 2021 05:02:55 -0600
Subject: fixed spurious warnings in level_calc on multi-channel lights (also
 fixed reported values being too low by a factor of channel.pwm_min)

---
 bin/level_calc.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/bin/level_calc.py b/bin/level_calc.py
index 9d72d45..2998b44 100755
--- a/bin/level_calc.py
+++ b/bin/level_calc.py
@@ -202,10 +202,12 @@ def multi_pwm(answers, channels):
         pwms = []
         for c, channel in enumerate(channels):
             top = channel.modes[i] - channel.pwm_min
+            if top < 0: top = 0
             bot = max_pwms[i] - channel.pwm_min
             ratio = 100 * (int(round(top)) / float(bot))
+            top, bot = channel.modes[i], max_pwms[i]
             pwms.append('%.2f/%i (%.3f%%)' % (top, bot, ratio))
-            if ratio < prev_ratios[c]:
+            if (ratio < prev_ratios[c]) and (ratio > 0):
                 pwms.append('WARN')
             prev_ratios[c] = ratio
         print('%i: visually %.2f (%.2f lm): %s' % 
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