From 6131533157c6770e72d1e8e3dc5b8d3a6ccaea74 Mon Sep 17 00:00:00 2001
From: RowanMeara <rrm89@cornell.edu>
Date: Tue, 14 Nov 2017 00:36:35 -0800
Subject: [PATCH] Change dithering behavior to intended.

---
 Marlin/src/module/temperature.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Marlin/src/module/temperature.cpp b/Marlin/src/module/temperature.cpp
index e3ebd4e5e5..cb781d588a 100644
--- a/Marlin/src/module/temperature.cpp
+++ b/Marlin/src/module/temperature.cpp
@@ -1717,15 +1717,15 @@ void Temperature::isr() {
 
       #if ENABLED(FAN_SOFT_PWM)
         #if HAS_FAN0
-          soft_pwm_count_fan[0] = ((soft_pwm_count_fan[0] & pwm_mask) + soft_pwm_amount_fan[0]) >> 1;
+          soft_pwm_count_fan[0] = (soft_pwm_count_fan[0] & pwm_mask) + (soft_pwm_amount_fan[0] >> 1);
           WRITE_FAN(soft_pwm_count_fan[0] > pwm_mask ? HIGH : LOW);
         #endif
         #if HAS_FAN1
-          soft_pwm_count_fan[1] = ((soft_pwm_count_fan[1] & pwm_mask) + soft_pwm_amount_fan[1]) >> 1;
+          soft_pwm_count_fan[1] = (soft_pwm_count_fan[1] & pwm_mask) + (soft_pwm_amount_fan[1] >> 1);
           WRITE_FAN1(soft_pwm_count_fan[1] > pwm_mask ? HIGH : LOW);
         #endif
         #if HAS_FAN2
-          soft_pwm_count_fan[2] = ((soft_pwm_count_fan[2] & pwm_mask) + soft_pwm_amount_fan[2]) >> 1;
+          soft_pwm_count_fan[2] = (soft_pwm_count_fan[2] & pwm_mask) + (soft_pwm_amount_fan[2] >> 1);
           WRITE_FAN2(soft_pwm_count_fan[2] > pwm_mask ? HIGH : LOW);
         #endif
       #endif