diff --git a/ddbridge/ddbridge-i2c.c b/ddbridge/ddbridge-i2c.c
index 5df3e6d..331d4c9 100644
--- a/ddbridge/ddbridge-i2c.c
+++ b/ddbridge/ddbridge-i2c.c
@@ -63,7 +63,10 @@ static int ddb_i2c_cmd(struct ddb_i2c *i2c, u32 adr, u32 cmd)
 #endif
 		return -EIO;
 	}
-	if (val & 0x70000)
+	val &= 0x70000;
+	if (val == 0x20000)
+		dev_err(dev->dev, "I2C bus errorx\n");
+	if (val)
 		return -EIO;
 	return 0;
 }