From 23dd4d225c16bf3180714bceeec32f6c9b4a29a3 Mon Sep 17 00:00:00 2001
From: cblume <Christoph.Blume@cern.ch>
Date: Thu, 4 Dec 2014 16:23:15 +0100
Subject: [PATCH] Add switch for tail cancelation

---
 TRD/AliTRDclusterizer.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/TRD/AliTRDclusterizer.cxx b/TRD/AliTRDclusterizer.cxx
index 2d61b39c47b..bf967a67fc0 100644
--- a/TRD/AliTRDclusterizer.cxx
+++ b/TRD/AliTRDclusterizer.cxx
@@ -914,7 +914,8 @@ Bool_t AliTRDclusterizer::MakeClusters(Int_t det)
   // Apply the gain and the tail cancelation via digital filter
   // Use the configuration from the DCS to find out whether online 
   // tail cancellation was applied
-  if(!calibration->HasOnlineTailCancellation()){
+  if ((!calibration->HasOnlineTailCancellation()) &&
+      (recoParam->UseTailCancelation())) {
     // save a copy of raw data
     if(TestBit(kRawSignal)){
       if(fDigitsRaw){
-- 
2.39.3