X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fmanson-hcs-3xxx%2Fapi.c;h=d3e5f8fa70213d94408eda213170e10328e4d3e9;hb=8a174d23427735617d69c7502ed8dcade786bbf9;hp=6355d004fc2eb2565f19d2d27a5923d142b4bf5b;hpb=c368e6f3d248a73d69cd0c2c4a7c88a92def55e3;p=libsigrok.git

diff --git a/src/hardware/manson-hcs-3xxx/api.c b/src/hardware/manson-hcs-3xxx/api.c
index 6355d004..d3e5f8fa 100644
--- a/src/hardware/manson-hcs-3xxx/api.c
+++ b/src/hardware/manson-hcs-3xxx/api.c
@@ -125,8 +125,7 @@ static GSList *scan(GSList *options)
 	if (!serialcomm)
 		serialcomm = "9600/8n1";
 
-	if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
-		return NULL;
+	serial = sr_serial_dev_inst_new(conn, serialcomm);
 
 	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
 		return NULL;
@@ -331,21 +330,26 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
 
 	(void)cg;
 
+	/* Always available (with or without sdi). */
+	if (key == SR_CONF_SCAN_OPTIONS) {
+		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+			scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
+		return SR_OK;
+	}
+
+	/* Return drvopts without sdi (and devopts with sdi, see below). */
 	if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
 		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
 				drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
 		return SR_OK;
 	}
 
+	/* Every other key needs an sdi. */
 	if (!sdi)
 		return SR_ERR_ARG;
 	devc = sdi->priv;
 
 	switch (key) {
-	case SR_CONF_SCAN_OPTIONS:
-		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
-			scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
-		break;
 	case SR_CONF_DEVICE_OPTIONS:
 		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
 				devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));