X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Frigol-ds%2Fapi.c;h=465001048ac5af4a93c87d6db478a35f86140467;hb=f2a189f0a7737d6abc1140b61a554c4a9f1efb70;hp=492b05ff21785dafb3dc2f2753d19025009b643e;hpb=99af83b7380ef7d8d48e15616b8910062890e7d3;p=libsigrok.git

diff --git a/hardware/rigol-ds/api.c b/hardware/rigol-ds/api.c
index 492b05ff..46500104 100644
--- a/hardware/rigol-ds/api.c
+++ b/hardware/rigol-ds/api.c
@@ -272,8 +272,13 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
 	gchar *channel_name, **version;
 
 	if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
-		sr_info("Couldn't get IDN response.");
-		return NULL;
+		sr_info("Couldn't get IDN response, retrying.");
+		sr_scpi_close(scpi);
+		sr_scpi_open(scpi);
+		if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
+			sr_info("Couldn't get IDN response.");
+			return NULL;
+		}
 	}
 
 	for (i = 0; i < ARRAY_SIZE(supported_models); i++) {