Don't automatically clear known instances from USB drivers on scan

[libsigrok.git] / hardware / uni-t-dmm / api.c

diff --git a/hardware/uni-t-dmm/api.c b/hardware/uni-t-dmm/api.c
index cf1e4df5ed4b207d3b876ae021d571ca839bdb07..08a9e74725f4b4824987264231068443f04cf142 100644 (file)
--- a/hardware/uni-t-dmm/api.c
+++ b/hardware/uni-t-dmm/api.c
@@ -86,9 +86,6 @@ static GSList *hw_scan(GSList *options, int dmm)
 
        drvc = udmms[dmm].di->priv;
 
-       /* USB scan is always authoritative. */
-       clear_instances(dmm);
-
        conn = NULL;
        for (l = options; l; l = l->next) {
                src = l->data;