hda_analyzer: fix revert() codec method

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/hda-analyzer/hda_codec.py b/hda-analyzer/hda_codec.py
index ce1257129f256a23cb9cb0c2148bf54e806dad2e..ab8a4a3f014960487dc875410f52e0dbe9256710 100644 (file)
--- a/hda-analyzer/hda_codec.py
+++ b/hda-analyzer/hda_codec.py
@@ -813,7 +813,8 @@ class HDACodec:
     return res
 
   def revert(self):
-    self.gpio.revert()
+    if not self.gpio is None:
+      self.gpio.revert()
     for nid in self.nodes:
       self.nodes[nid].revert()
 
@@ -890,7 +891,7 @@ class HDACodec:
       nid += 1
 
   def reread(self):
-    if self.gpio:
+    if not self.gpio is None:
       self.gpio.reread()
     for node in self.nodes:
       self.nodes[node].reread()