From 2b00ef39950e32447080687c4373bda1fae0e955 Mon Sep 17 00:00:00 2001
From: Povilas Kanapickas <povilas@radix.lt>
Date: Thu, 26 Dec 2019 17:13:33 +0200
Subject: [PATCH] genesys: Improve calibration speed by making convergence
 faster

---
 backend/genesys/gl124.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/backend/genesys/gl124.cpp b/backend/genesys/gl124.cpp
index 87903989c..054f1ef0b 100644
--- a/backend/genesys/gl124.cpp
+++ b/backend/genesys/gl124.cpp
@@ -1629,7 +1629,8 @@ SensorExposure CommandSetGl124::led_calibration(Genesys_Device* dev, const Genes
           /* we accept +- 2% delta from target */
           if(abs(avg[i]-target)>target/50)
             {
-              exp[i]=(exp[i]*target)/avg[i];
+                float prev_weight = 0.5;
+                exp[i] = exp[i] * prev_weight + ((exp[i] * target) / avg[i]) * (1 - prev_weight);
                 acceptable = false;
             }
         }