max7219: introduce constructor and reset() method

The "max7219" decoder used to have no constructor, which made me miss
it when reset() got introduced. Implement those two methods (which do
nothing, and thus won't change behaviour).

diff --git a/decoders/max7219/pd.py b/decoders/max7219/pd.py
index 76b9b1ce81d54e59e9d50081d6b4120028d227e3..c8e99e1cc948e9fe548ab39158ff8aa905612b23 100644 (file)
--- a/decoders/max7219/pd.py
+++ b/decoders/max7219/pd.py
@@ -59,6 +59,12 @@ class Decoder(srd.Decoder):
         ('warnings', 'Warnings', (ann_warning,)),
     )
 
+    def __init__(self):
+        self.reset()
+
+    def reset(self):
+        pass
+
     def start(self):
         self.out_ann = self.register(srd.OUTPUT_ANN)
         self.pos = 0