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 0d90781cb095f0a9d0a64839b10ca11a44c732d1..76ea8d7e2952199157c9f01f7049e0dcc5d8e1c4 100644 (file)
--- 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,