From 60c46104c76ef4057ca494af30c45c2d5ff43432 Mon Sep 17 00:00:00 2001
From: andig <cpuidle@gmx.de>
Date: Sat, 2 May 2020 17:19:41 +0200
Subject: [PATCH] Fix energy always added

---
 meter/sma.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/meter/sma.go b/meter/sma.go
index 17277c2ae..25b735b3c 100644
--- a/meter/sma.go
+++ b/meter/sma.go
@@ -60,7 +60,7 @@ func NewSMA(uri, power, energy string) api.Meter {
 	go sm.receive()
 
 	// decorate api.MeterEnergy
-	if power != "" {
+	if energy != "" {
 		return &SMAEnergy{SMA: sm}
 	}
 
@@ -141,7 +141,7 @@ type SMAEnergy struct {
 }
 
 // TotalEnergy implements the api.MeterEnergy interface
-func (sm *SMA) TotalEnergy() (float64, error) {
+func (sm *SMAEnergy) TotalEnergy() (float64, error) {
 	sm.once.Do(sm.waitForInitialValue)
 	sm.mux.Lock()
 	defer sm.mux.Unlock()