From 7a2c5154aa7ee6838aaa64006fac3ef59788a274 Mon Sep 17 00:00:00 2001
From: Joel Stein <js@funkturm.net>
Date: Tue, 27 Nov 2018 16:11:14 +0100
Subject: [PATCH] PS_16_DZ: only update brightness if it actually changed

---
 sonoff/xdrv_19_ps16dz_dimmer.ino | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sonoff/xdrv_19_ps16dz_dimmer.ino b/sonoff/xdrv_19_ps16dz_dimmer.ino
index 04c9a1099..8f569278f 100644
--- a/sonoff/xdrv_19_ps16dz_dimmer.ino
+++ b/sonoff/xdrv_19_ps16dz_dimmer.ino
@@ -165,7 +165,7 @@ void PS16DZSerialInput(void)
             ps16dz_bright = atoi(token3);
             snprintf_P(log_data, sizeof(log_data), PSTR("PSZ: brightness received: %d"), ps16dz_bright);
             AddLog(LOG_LEVEL_DEBUG);
-            if(power && ps16dz_bright > 0) {
+            if(power && ps16dz_bright > 0 && ps16dz_bright != Settings.light_dimmer) {
 
               snprintf_P(scmnd, sizeof(scmnd), PSTR(D_CMND_DIMMER " %d"), ps16dz_bright );