spi: Use 'None' to signal the missing CS# pin.

[libsigrokdecode.git] / decoders / nrf24l01 / pd.py

diff --git a/decoders/nrf24l01/pd.py b/decoders/nrf24l01/pd.py
index 38e5ac6b09e093d90bc6bfc52a1b6d00c7fc1a99..b026f598f9aeafcc62f42cd5d061688785c823be 100644 (file)
--- a/decoders/nrf24l01/pd.py
+++ b/decoders/nrf24l01/pd.py
@@ -272,8 +272,8 @@ class Decoder(srd.Decoder):
         ptype, data1, data2 = data
 
         if ptype == 'CS-CHANGE':
-            if data1 == -1:
-                if data2 == -1:
+            if data1 is None:
+                if data2 is None:
                     self.requirements_met = False
                     raise ChannelError('CS# pin required.')
                 elif data2 == 1: