rigol-ds: apply :KEY:LOCK DISABLE only to DS1K

diff --git a/hardware/rigol-ds/api.c b/hardware/rigol-ds/api.c
index ae14f067d3d1e2d2284009be4bdc3ba581573241..706391f4c3bf4d027693cceb37bf2dc75aabb4c6 100644 (file)
--- a/hardware/rigol-ds/api.c
+++ b/hardware/rigol-ds/api.c
@@ -488,7 +488,7 @@ static int dev_close(struct sr_dev_inst *sdi)
        scpi = sdi->conn;
        devc = sdi->priv;
 
-       if (devc->model->series->protocol >= PROTOCOL_V2)
+       if (devc->model->series->protocol == PROTOCOL_V2)
                rigol_ds_config_set(sdi, ":KEY:LOCK DISABLE");
 
        if (scpi) {