X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=decoders%2Fi2c%2Fpd.py;h=c2eb5246fccb332f6bd81c6f71effc0cd8dc07a4;hb=efa641735217e5425f93e69cbaddf70d75c7e9e4;hp=0b85c668a88390901f9294b3d5d5ef27fc2b3404;hpb=50bd5d259677faf87bb3408e111d0e833d7ba9b4;p=libsigrokdecode.git

diff --git a/decoders/i2c/pd.py b/decoders/i2c/pd.py
index 0b85c66..c2eb524 100644
--- a/decoders/i2c/pd.py
+++ b/decoders/i2c/pd.py
@@ -86,9 +86,9 @@ class Decoder(srd.Decoder):
         self.wr = -1
         self.is_repeat_start = 0
         self.state = 'FIND START'
-        self.oldscl = None
-        self.oldsda = None
-        self.oldpins = None
+        self.oldscl = 1
+        self.oldsda = 1
+        self.oldpins = (1, 1)
 
     def start(self, metadata):
         self.out_proto = self.add(srd.OUTPUT_PROTO, 'i2c')
@@ -206,12 +206,6 @@ class Decoder(srd.Decoder):
                 continue
             self.oldpins, (scl, sda) = pins, pins
 
-            # First sample: Save SCL/SDA value.
-            if self.oldscl == None:
-                self.oldscl = scl
-                self.oldsda = sda
-                continue
-
             # TODO: Wait until the bus is idle (SDA = SCL = 1) first?
 
             # State machine.