changed spin direction for volumen control and skip track

Signed-off-by: Ebbe Baß <ebbe@ping-mee.de>

code.py

@@ -31,7 +31,7 @@ previousValue = True
 
 #volume controller
 def control_volumen(pinStatus):
-    if pinStatus == False:
+    if pinStatus == True:
         print('Volumen down')
         consumer_control.send(ConsumerControlCode.VOLUME_DECREMENT)
     else:
@@ -58,7 +58,7 @@ def middle_mouse_button():
 
 #media control
 def previous_next_track(pinStatus):
-    if pinStatus == False:
+    if pinStatus == True:
         print('Previous track')
         consumer_control.send(ConsumerControlCode.SCAN_PREVIOUS_TRACK)
     else: