From 214be1625a4240b306b8f081b0c8d9094eba5d09 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Arnim=20L=C3=A4uger?= <devsaurus@users.noreply.github.com>
Date: Thu, 16 Mar 2017 12:36:09 +0100
Subject: [PATCH] Fix self.pin when specifying lpin for readTemp() (#1865)

---
 lua_modules/ds18b20/ds18b20.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lua_modules/ds18b20/ds18b20.lua b/lua_modules/ds18b20/ds18b20.lua
index dddd9dee..90c21510 100644
--- a/lua_modules/ds18b20/ds18b20.lua
+++ b/lua_modules/ds18b20/ds18b20.lua
@@ -29,10 +29,10 @@ return({
   end,
 
   readTemp = function(self, cb, lpin)
+    if lpin then self.pin = lpin end
     local pin = self.pin
     self.cb = cb
     self.temp={}
-    if lpin then pin = lpin end
     ow.setup(pin)
 
     self.sens={}