diff --git a/sound/soc/soc-io.c b/sound/soc/soc-io.c
index 66fcccd..dd89933 100644
--- a/sound/soc/soc-io.c
+++ b/sound/soc/soc-io.c
@@ -55,7 +55,7 @@
 		if (ret == 0)
 			return val;
 		else
-			return ret;
+			return -1;
 	}
 
 	ret = snd_soc_cache_read(codec, reg, &val);