diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index b085d8e..d2ef014 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1633,7 +1633,7 @@
 	if (codec->readable_register)
 		return codec->readable_register(codec, reg);
 	else
-		return 0;
+		return 1;
 }
 EXPORT_SYMBOL_GPL(snd_soc_codec_readable_register);
 
@@ -1651,7 +1651,7 @@
 	if (codec->writable_register)
 		return codec->writable_register(codec, reg);
 	else
-		return 0;
+		return 1;
 }
 EXPORT_SYMBOL_GPL(snd_soc_codec_writable_register);