From: Frank Stettner <redacted>
Date: Sat, 7 Aug 2021 17:18:39 +0000 (+0200)
Subject: hp-59306a: Add GET for config key SR_CONF_CONN
X-Git-Url: https://sigrok.org/gitweb/?p=libsigrok.git;a=commitdiff_plain;h=0c678b26dd8644b57dc8b2b6666eb7f362975841

hp-59306a: Add GET for config key SR_CONF_CONN
---

diff --git a/src/hardware/hp-59306a/api.c b/src/hardware/hp-59306a/api.c
index 0d90781c..76ea8d7e 100644
--- a/src/hardware/hp-59306a/api.c
+++ b/src/hardware/hp-59306a/api.c
@@ -30,6 +30,7 @@ static const uint32_t drvopts[] = {
 };
 
 static const uint32_t devopts[] = {
+	SR_CONF_CONN | SR_CONF_GET,
 	SR_CONF_ENABLED | SR_CONF_SET,
 };
 
@@ -61,6 +62,10 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
 	sdi->conn = scpi;
 	sdi->driver = &hp_59306a_driver_info;
 	sdi->inst_type = SR_INST_SCPI;
+	if (sr_scpi_connection_id(scpi, &sdi->connection_id) != SR_OK) {
+		g_free(sdi->connection_id);
+		sdi->connection_id = NULL;
+	}
 
 	devc = g_malloc0(sizeof(*devc));
 	sdi->priv = devc;
@@ -105,6 +110,25 @@ static int dev_close(struct sr_dev_inst *sdi)
 	return sr_scpi_close(sdi->conn);
 }
 
+static int config_get(uint32_t key, GVariant **data,
+	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
+{
+	(void)cg;
+
+	if (!sdi || !data)
+		return SR_ERR_ARG;
+
+	switch (key) {
+	case SR_CONF_CONN:
+		*data = g_variant_new_string(sdi->connection_id);
+		break;
+	default:
+		return SR_ERR_NA;
+	}
+
+	return SR_OK;
+}
+
 static int config_set(uint32_t key, GVariant *data,
 	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 {
@@ -166,7 +190,7 @@ static struct sr_dev_driver hp_59306a_driver_info = {
 	.scan = scan,
 	.dev_list = std_dev_list,
 	.dev_clear = std_dev_clear,
-	.config_get = NULL,
+	.config_get = config_get,
 	.config_set = config_set,
 	.config_list = config_list,
 	.dev_open = dev_open,