--- BackLightHelper.py.orig	2018-05-07 16:11:55.395852725 +0800
+++ BackLightHelper.py	2018-05-07 16:12:29.286649711 +0800
@@ -39,7 +39,7 @@
         maxBrightness = 0
         try:
             p = subprocess.Popen(
-                ['pkexec', '/usr/lib/gnome-settings-daemon/gsd-backlight-helper', '--get-max-brightness'],
+                ['pkexec', '/usr/lib/gsd-backlight-helper', '--get-max-brightness'],
                 stdout=subprocess.PIPE)
             comm = p.communicate()[0]
             maxBrightness = int(comm)
@@ -54,7 +54,7 @@
 
     def getCurrentBrightnessFromHelper(self):
         try:
-            p = subprocess.Popen(['pkexec', '/usr/lib/gnome-settings-daemon/gsd-backlight-helper', '--get-brightness'], stdout=subprocess.PIPE)
+            p = subprocess.Popen(['pkexec', '/usr/lib/gsd-backlight-helper', '--get-brightness'], stdout=subprocess.PIPE)
             comm = p.communicate()[0]
             self.currentBrightness = int(comm)
         except:
@@ -71,7 +71,7 @@
     def setBrightness(self, brightness):
         self.currentBrightness = brightness
         try:
-            subprocess.call(['pkexec', '/usr/lib/gnome-settings-daemon/gsd-backlight-helper', '--set-brightness', "%s" % self.currentBrightness])
+            subprocess.call(['pkexec', '/usr/lib/gsd-backlight-helper', '--set-brightness', "%s" % self.currentBrightness])
         except:
             MyLog.e(self.TAG, "Error:6033")
             self.setAvailable(False)