Update AD7124 to support non-dashed channel names

Signed-off-by: Travis F. Collins <[email protected]>

adi/ad7124.py

@@ -36,12 +36,13 @@ def __init__(self, uri="", device_index=0):
                 else:
                     index += 1
 
-        # dynamically get channels and sorting them after the index of the first voltage channel
-        self._ctrl.channels.sort(key=lambda x: int(x.id[7 : x.id.find("-")]))
+        self._rx_channel_names = [chan.name for chan in self._ctrl.channels]
+        if "-" in self._rx_channel_names[0]:
+            self._rx_channel_names.sort(key=lambda x: int(x[7:].split("-")[0]))
+        else:
+            self._rx_channel_names.sort(key=lambda x: int(x[7:]))
 
-        for ch in self._ctrl.channels:
-            name = ch._id
-            self._rx_channel_names.append(name)
+        for name in self._rx_channel_names:
             self.channel.append(self._channel(self._ctrl, name))
         rx.__init__(self)