X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fmanson-hcs-3xxx%2Fapi.c;h=d3bd5e1f4a3adf24497425e19985ec279bbaa1e9;hb=16aca7661b7ab34a399c323bb9214721e2b1be0c;hp=d287067b195db92b1745274d5368859b91199c19;hpb=aac29cc192ccf82b64e77b5e6b11b411da32deed;p=libsigrok.git

diff --git a/src/hardware/manson-hcs-3xxx/api.c b/src/hardware/manson-hcs-3xxx/api.c
index d287067b..d3bd5e1f 100644
--- a/src/hardware/manson-hcs-3xxx/api.c
+++ b/src/hardware/manson-hcs-3xxx/api.c
@@ -92,7 +92,6 @@ static GSList *scan(GSList *options)
 	struct dev_context *devc;
 	struct sr_dev_inst *sdi;
 	struct sr_config *src;
-	struct sr_channel *ch;
 	GSList *devices, *l;
 	const char *conn, *serialcomm;
 	struct sr_serial_dev_inst *serial;
@@ -125,8 +124,7 @@ 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;
@@ -163,11 +161,7 @@ static GSList *scan(GSList *options)
 	sdi->conn = serial;
 	sdi->driver = di;
 
-	if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "CH1"))) {
-		sr_err("Failed to create channel.");
-		goto exit_err;
-	}
-	sdi->channels = g_slist_append(sdi->channels, ch);
+	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1");
 
 	devc = g_malloc0(sizeof(struct dev_context));
 	devc->model = &models[model_id];
@@ -334,21 +328,26 @@ 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));