X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fbaylibre-acme%2Fapi.c;h=b4ef69ddf3c1372f84fe809295e2decb4bccccff;hb=9e60a31fb954493754770fe2192db74b947c6867;hp=fc9706f0a718af169577b0fbe2a28471de872863;hpb=3d14ce49e49e5dc299f3f08a3e294e59aed7d4ac;p=libsigrok.git

diff --git a/src/hardware/baylibre-acme/api.c b/src/hardware/baylibre-acme/api.c
index fc9706f0..b4ef69dd 100644
--- a/src/hardware/baylibre-acme/api.c
+++ b/src/hardware/baylibre-acme/api.c
@@ -27,6 +27,9 @@ static const uint32_t devopts[] = {
 	SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
 	SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
 	SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+};
+
+static const uint32_t devopts_cg[] = {
 	SR_CONF_PROBE_FACTOR | SR_CONF_GET | SR_CONF_SET,
 	SR_CONF_POWER_OFF | SR_CONF_GET | SR_CONF_SET,
 };
@@ -109,6 +112,13 @@ static GSList *scan(GSList *options)
 		}
 	}
 
+	/*
+	 * Let's assume there's no ACME device present if no probe
+	 * has been registered.
+	 */
+	if (sdi->channel_groups == NULL)
+		goto err_out;
+
 	devices = g_slist_append(devices, sdi);
 	drvc->instances = g_slist_append(drvc->instances, sdi);
 
@@ -265,20 +275,32 @@ static int config_list(uint32_t key, GVariant **data,
 	(void)cg;
 
 	ret = SR_OK;
-	switch (key) {
-	case SR_CONF_DEVICE_OPTIONS:
-		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
-			devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
-		break;
-	case SR_CONF_SAMPLERATE:
-		g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
-		gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"),
-			samplerates, ARRAY_SIZE(samplerates), sizeof(uint64_t));
-		g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar);
-		*data = g_variant_builder_end(&gvb);
-		break;
-	default:
-		return SR_ERR_NA;
+	if (!cg) {
+		switch (key) {
+		case SR_CONF_DEVICE_OPTIONS:
+			*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+				devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
+			break;
+		case SR_CONF_SAMPLERATE:
+			g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
+			gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"),
+				samplerates, ARRAY_SIZE(samplerates), sizeof(uint64_t));
+			g_variant_builder_add(&gvb, "{sv}",
+					      "samplerate-steps", gvar);
+			*data = g_variant_builder_end(&gvb);
+			break;
+		default:
+			return SR_ERR_NA;
+		}
+	} else {
+		switch (key) {
+		case SR_CONF_DEVICE_OPTIONS:
+			*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+				devopts_cg, ARRAY_SIZE(devopts_cg), sizeof(uint32_t));
+			break;
+		default:
+			return SR_ERR_NA;
+		}
 	}
 
 	return ret;