X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fscpi-dmm%2Fapi.c;h=7867ebc2acd48b336e47a6efd9c591a7ec607550;hb=24a953382c4c07f4071a36897bf17c93db9ce1e7;hp=b6a568211b7fea1a899c7b0b56eb9c1f95d65bf7;hpb=860ee00ab12165f076184c96b0eee23fa5e0e967;p=libsigrok.git

diff --git a/src/hardware/scpi-dmm/api.c b/src/hardware/scpi-dmm/api.c
index b6a56821..7867ebc2 100644
--- a/src/hardware/scpi-dmm/api.c
+++ b/src/hardware/scpi-dmm/api.c
@@ -33,6 +33,7 @@ static const uint32_t drvopts[] = {
 
 static const uint32_t devopts_generic[] = {
 	SR_CONF_CONTINUOUS,
+	SR_CONF_CONN | SR_CONF_GET,
 	SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
 	SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
 	SR_CONF_MEASURED_QUANTITY | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
@@ -273,6 +274,11 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
 	sdi->conn = scpi;
 	sdi->driver = &scpi_dmm_driver_info;
 	sdi->inst_type = SR_INST_SCPI;
+	ret = sr_scpi_connection_id(scpi, &sdi->connection_id);
+	if (ret != SR_OK) {
+		g_free(sdi->connection_id);
+		sdi->connection_id = NULL;
+	}
 	sr_scpi_hw_info_free(hw_info);
 	if (model->read_timeout_us)  /* non-default read timeout */
 		scpi->read_timeout_us = model->read_timeout_us;
@@ -362,6 +368,11 @@ static int config_get(uint32_t key, GVariant **data,
 	devc = sdi->priv;
 
 	switch (key) {
+	case SR_CONF_CONN:
+		if (!sdi || !sdi->connection_id)
+			return SR_ERR_NA;
+		*data = g_variant_new_string(sdi->connection_id);
+		return SR_OK;
 	case SR_CONF_LIMIT_SAMPLES:
 	case SR_CONF_LIMIT_MSEC:
 		return sr_sw_limits_config_get(&devc->limits, key, data);