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-rw-r--r--decoders/spi/pd.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/decoders/spi/pd.py b/decoders/spi/pd.py
index 7cfa266..8d0d6ae 100644
--- a/decoders/spi/pd.py
+++ b/decoders/spi/pd.py
@@ -279,7 +279,7 @@ class Decoder(srd.Decoder):
self.ss_transfer = self.samplenum
self.misobytes = []
self.mosibytes = []
- else:
+ elif self.ss_transfer != -1:
if self.have_miso:
self.put(self.ss_transfer, self.samplenum, self.out_ann,
[5, [' '.join(format(x.val, '02X') for x in self.misobytes)]])