diff --git a/ecmcPlugin_FFT-loc/ecmcPlugin_FFTApp/src/ecmcFFT.cpp b/ecmcPlugin_FFT-loc/ecmcPlugin_FFTApp/src/ecmcFFT.cpp
index f9fac64..303ff50 100644
--- a/ecmcPlugin_FFT-loc/ecmcPlugin_FFTApp/src/ecmcFFT.cpp
+++ b/ecmcPlugin_FFT-loc/ecmcPlugin_FFTApp/src/ecmcFFT.cpp
@@ -124,6 +124,7 @@ ecmcFFT::ecmcFFT(int   fftIndex,       // index of this object (if several is cr
   cfgDbgMode_       = 0;
   cfgNfft_          = ECMC_PLUGIN_DEFAULT_NFFT; // samples in fft (must be n^2)
   cfgDcRemove_      = 0;
+  cfgLinRemove_     = 0;
   cfgApplyScale_    = 1;   // Scale as default to get correct amplitude in fft
   cfgEnable_        = 0;   // start disabled (enable over asyn)
   cfgMode_          = TRIGG;
@@ -232,12 +233,18 @@ void ecmcFFT::parseConfigStr(char *configStr) {
         cfgApplyScale_ = atoi(pThisOption);
       }
 
-      // ECMC_PLUGIN_DC_REMOVE_OPTION_CMD (1/0)
-      else if (!strncmp(pThisOption, ECMC_PLUGIN_DC_REMOVE_OPTION_CMD, strlen(ECMC_PLUGIN_DC_REMOVE_OPTION_CMD))) {
-        pThisOption += strlen(ECMC_PLUGIN_DC_REMOVE_OPTION_CMD);
+      // ECMC_PLUGIN_RM_DC_OPTION_CMD (1/0)
+      else if (!strncmp(pThisOption, ECMC_PLUGIN_RM_DC_OPTION_CMD, strlen(ECMC_PLUGIN_RM_DC_OPTION_CMD))) {
+        pThisOption += strlen(ECMC_PLUGIN_RM_DC_OPTION_CMD);
         cfgDcRemove_ = atoi(pThisOption);
       }
 
+      // ECMC_PLUGIN_RM_LIN_OPTION_CMD (1/0)
+      else if (!strncmp(pThisOption, ECMC_PLUGIN_RM_LIN_OPTION_CMD, strlen(ECMC_PLUGIN_RM_LIN_OPTION_CMD))) {
+        pThisOption += strlen(ECMC_PLUGIN_RM_LIN_OPTION_CMD);
+        cfgLinRemove_ = atoi(pThisOption);
+      }
+
       // ECMC_PLUGIN_ENABLE_OPTION_CMD (1/0)
       else if (!strncmp(pThisOption, ECMC_PLUGIN_ENABLE_OPTION_CMD, strlen(ECMC_PLUGIN_ENABLE_OPTION_CMD))) {
         pThisOption += strlen(ECMC_PLUGIN_ENABLE_OPTION_CMD);
diff --git a/ecmcPlugin_FFT-loc/ecmcPlugin_FFTApp/src/ecmcFFT.h b/ecmcPlugin_FFT-loc/ecmcPlugin_FFTApp/src/ecmcFFT.h
index 375f05e..9beb013 100644
--- a/ecmcPlugin_FFT-loc/ecmcPlugin_FFTApp/src/ecmcFFT.h
+++ b/ecmcPlugin_FFT-loc/ecmcPlugin_FFTApp/src/ecmcFFT.h
@@ -96,6 +96,7 @@ class ecmcFFT : public asynPortDriver {
   int                   cfgDbgMode_;         // Config: allow dbg printouts
   int                   cfgApplyScale_;      // Config: apply scale 1/nfft
   int                   cfgDcRemove_;        // Config: remove dc (average) 
+  int                   cfgLinRemove_;       // Config: remove linear componet (by least square) 
   size_t                cfgNfft_;            // Config: Data set size
   int                   cfgEnable_;          // Config: Enable data acq./calc.
   FFT_MODE              cfgMode_;            // Config: Mode continous or triggered.
diff --git a/ecmcPlugin_FFT-loc/ecmcPlugin_FFTApp/src/ecmcFFTDefs.h b/ecmcPlugin_FFT-loc/ecmcPlugin_FFTApp/src/ecmcFFTDefs.h
index 4aecff6..6a5187e 100644
--- a/ecmcPlugin_FFT-loc/ecmcPlugin_FFTApp/src/ecmcFFTDefs.h
+++ b/ecmcPlugin_FFT-loc/ecmcPlugin_FFTApp/src/ecmcFFTDefs.h
@@ -19,9 +19,10 @@
 #define ECMC_PLUGIN_SOURCE_OPTION_CMD      "SOURCE="
 #define ECMC_PLUGIN_NFFT_OPTION_CMD        "NFFT="
 #define ECMC_PLUGIN_APPLY_SCALE_OPTION_CMD "APPLY_SCALE="
-#define ECMC_PLUGIN_DC_REMOVE_OPTION_CMD   "RM_DC="
+#define ECMC_PLUGIN_RM_DC_OPTION_CMD       "RM_DC="
 #define ECMC_PLUGIN_ENABLE_OPTION_CMD      "ENABLE="
 #define ECMC_PLUGIN_RATE_OPTION_CMD        "RATE="
+#define ECMC_PLUGIN_RM_LIN_OPTION_CMD      "RM_LIN="
 
 // CONT, TRIGG
 #define ECMC_PLUGIN_MODE_OPTION_CMD        "MODE="
diff --git a/ecmcPlugin_FFT-loc/ecmcPlugin_FFTApp/src/ecmcPluginFFT.c b/ecmcPlugin_FFT-loc/ecmcPlugin_FFTApp/src/ecmcPluginFFT.c
index 24dcb4c..c5d2ce5 100644
--- a/ecmcPlugin_FFT-loc/ecmcPlugin_FFTApp/src/ecmcPluginFFT.c
+++ b/ecmcPlugin_FFT-loc/ecmcPlugin_FFTApp/src/ecmcPluginFFT.c
@@ -12,7 +12,7 @@
 
 // Needed to get headers in ecmc right...
 #define ECMC_IS_PLUGIN
-#define ECMC_EXAMPLE_PLUGIN_VERSION 1
+#define ECMC_EXAMPLE_PLUGIN_VERSION 2
 
 #ifdef __cplusplus
 extern "C" {
@@ -119,7 +119,8 @@ struct ecmcPluginData pluginDataDef = {
                 "    "ECMC_PLUGIN_SOURCE_OPTION_CMD"<source>    : Sets source variable for FFT (example: ec0.s1.AI_1).\n"
                 "    "ECMC_PLUGIN_NFFT_OPTION_CMD"<nfft>        : Data points to collect, default = 4096.\n" 
                 "    "ECMC_PLUGIN_APPLY_SCALE_OPTION_CMD"<1/0>  : Apply scale, default = disabled.\n" 
-                "    "ECMC_PLUGIN_DC_REMOVE_OPTION_CMD"<1/0>    : Remove DC offset of input data (SOURCE), default = disabled.\n" 
+                "    "ECMC_PLUGIN_RM_DC_OPTION_CMD"<1/0>        : Remove DC offset of input data (SOURCE), default = disabled.\n" 
+                "    "ECMC_PLUGIN_RM_LIN_OPTION_CMD"<1/0>       : Remove linear component in data (SOURCE) by least square, default = disabled.\n" 
                 "    "ECMC_PLUGIN_ENABLE_OPTION_CMD"<1/0>       : Enable data acq. and calcs (can be controlled over asyn), default = disabled.\n"
                 "    "ECMC_PLUGIN_MODE_OPTION_CMD"<CONT/TRIGG>  : Continious or triggered mode, defaults to TRIGG\n"
                 "    "ECMC_PLUGIN_RATE_OPTION_CMD"<rate in hz>  : fft data sample rate in hz (must be lower than ecmc rate and (ecmc_rate/fft_rate)=integer), default = ecmc rate."