diff --git a/spa/plugins/alsa/alsa-device.c b/spa/plugins/alsa/alsa-device.c
index 24caa6491..ac1387d63 100644
--- a/spa/plugins/alsa/alsa-device.c
+++ b/spa/plugins/alsa/alsa-device.c
@@ -278,6 +278,17 @@ static int impl_add_listener(void *object,
 }
 
 
+static int impl_sync(void *object, int seq)
+{
+	struct impl *this = object;
+
+	spa_return_val_if_fail(this != NULL, -EINVAL);
+
+	spa_device_emit_result(&this->hooks, seq, 0, 0, NULL);
+
+	return 0;
+}
+
 static int impl_enum_params(void *object, int seq,
 			    uint32_t id, uint32_t start, uint32_t num,
 			    const struct spa_pod *filter)
@@ -383,6 +394,7 @@ static int impl_set_param(void *object,
 static const struct spa_device_methods impl_device = {
 	SPA_VERSION_DEVICE_METHODS,
 	.add_listener = impl_add_listener,
+	.sync = impl_sync,
 	.enum_params = impl_enum_params,
 	.set_param = impl_set_param,
 };
diff --git a/spa/plugins/alsa/alsa-sink.c b/spa/plugins/alsa/alsa-sink.c
index b69d7a4df..f05c00084 100644
--- a/spa/plugins/alsa/alsa-sink.c
+++ b/spa/plugins/alsa/alsa-sink.c
@@ -287,6 +287,18 @@ impl_node_set_callbacks(void *object,
 	return 0;
 }
 
+static int
+impl_node_sync(void *object, int seq)
+{
+	struct state *this = object;
+
+	spa_return_val_if_fail(this != NULL, -EINVAL);
+
+	spa_node_emit_result(&this->hooks, seq, 0, 0, NULL);
+
+	return 0;
+}
+
 static int impl_node_add_port(void *object, enum spa_direction direction, uint32_t port_id,
 		const struct spa_dict *props)
 {
@@ -632,6 +644,7 @@ static const struct spa_node_methods impl_node = {
 	SPA_VERSION_NODE_METHODS,
 	.add_listener = impl_node_add_listener,
 	.set_callbacks = impl_node_set_callbacks,
+	.sync = impl_node_sync,
 	.enum_params = impl_node_enum_params,
 	.set_param = impl_node_set_param,
 	.set_io = impl_node_set_io,
diff --git a/spa/plugins/alsa/alsa-source.c b/spa/plugins/alsa/alsa-source.c
index e3f8bbc3c..9f8321ca3 100644
--- a/spa/plugins/alsa/alsa-source.c
+++ b/spa/plugins/alsa/alsa-source.c
@@ -287,6 +287,18 @@ impl_node_set_callbacks(void *object,
 	return 0;
 }
 
+static int impl_node_sync(void *object, int seq)
+{
+	struct state *this = object;
+
+	spa_return_val_if_fail(this != NULL, -EINVAL);
+
+	spa_node_emit_result(&this->hooks, seq, 0, 0, NULL);
+
+	return 0;
+}
+
+
 static int impl_node_add_port(void *object, enum spa_direction direction, uint32_t port_id,
 		const struct spa_dict *props)
 {
@@ -648,6 +660,7 @@ static const struct spa_node_methods impl_node = {
 	SPA_VERSION_NODE_METHODS,
 	.add_listener = impl_node_add_listener,
 	.set_callbacks = impl_node_set_callbacks,
+	.sync = impl_node_sync,
 	.enum_params = impl_node_enum_params,
 	.set_param = impl_node_set_param,
 	.set_io = impl_node_set_io,
diff --git a/spa/plugins/audioconvert/audioconvert.c b/spa/plugins/audioconvert/audioconvert.c
index 49437aae8..7a94a0dfe 100644
--- a/spa/plugins/audioconvert/audioconvert.c
+++ b/spa/plugins/audioconvert/audioconvert.c
@@ -647,7 +647,7 @@ impl_node_set_callbacks(void *object,
 			const struct spa_node_callbacks *callbacks,
 			void *user_data)
 {
-	return 0;
+	return -ENOTSUP;
 }
 
 static int impl_node_add_port(void *object, enum spa_direction direction, uint32_t port_id,
diff --git a/spa/plugins/bluez5/a2dp-sink.c b/spa/plugins/bluez5/a2dp-sink.c
index 548cfb26d..d74dc9e96 100644
--- a/spa/plugins/bluez5/a2dp-sink.c
+++ b/spa/plugins/bluez5/a2dp-sink.c
@@ -965,6 +965,17 @@ impl_node_set_callbacks(void *object,
 	return 0;
 }
 
+static int impl_node_sync(void *object, int seq)
+{
+	struct impl *this = object;
+
+	spa_return_val_if_fail(this != NULL, -EINVAL);
+
+	spa_node_emit_result(&this->hooks, seq, 0, 0, NULL);
+
+	return 0;
+}
+
 static int impl_node_add_port(void *object, enum spa_direction direction, uint32_t port_id,
 		const struct spa_dict *props)
 {
@@ -1330,6 +1341,7 @@ static const struct spa_node_methods impl_node = {
 	SPA_VERSION_NODE_METHODS,
 	.add_listener = impl_node_add_listener,
 	.set_callbacks = impl_node_set_callbacks,
+	.sync = impl_node_sync,
 	.enum_params = impl_node_enum_params,
 	.set_param = impl_node_set_param,
 	.set_io = impl_node_set_io,
diff --git a/spa/plugins/bluez5/a2dp-source.c b/spa/plugins/bluez5/a2dp-source.c
index cadb12233..f6f5ece06 100644
--- a/spa/plugins/bluez5/a2dp-source.c
+++ b/spa/plugins/bluez5/a2dp-source.c
@@ -618,6 +618,17 @@ impl_node_set_callbacks(void *object,
 	return 0;
 }
 
+static int impl_node_sync(void *object, int seq)
+{
+	struct impl *this = object;
+
+	spa_return_val_if_fail(this != NULL, -EINVAL);
+
+	spa_node_emit_result(&this->hooks, seq, 0, 0, NULL);
+
+	return 0;
+}
+
 static int impl_node_add_port(void *object, enum spa_direction direction, uint32_t port_id,
 		const struct spa_dict *props)
 {
@@ -1011,6 +1022,7 @@ static const struct spa_node_methods impl_node = {
 	SPA_VERSION_NODE_METHODS,
 	.add_listener = impl_node_add_listener,
 	.set_callbacks = impl_node_set_callbacks,
+	.sync = impl_node_sync,
 	.enum_params = impl_node_enum_params,
 	.set_param = impl_node_set_param,
 	.set_io = impl_node_set_io,
diff --git a/spa/plugins/v4l2/v4l2-device.c b/spa/plugins/v4l2/v4l2-device.c
index 21c80520e..c86032767 100644
--- a/spa/plugins/v4l2/v4l2-device.c
+++ b/spa/plugins/v4l2/v4l2-device.c
@@ -137,6 +137,17 @@ static int impl_add_listener(void *object,
 	return res;
 }
 
+static int impl_sync(void *object, int seq)
+{
+	struct impl *this = object;
+
+	spa_return_val_if_fail(this != NULL, -EINVAL);
+
+	spa_device_emit_result(&this->hooks, seq, 0, 0, NULL);
+
+	return 0;
+}
+
 static int impl_enum_params(void *object, int seq,
 			    uint32_t id, uint32_t start, uint32_t num,
 			    const struct spa_pod *filter)
@@ -154,6 +165,7 @@ static int impl_set_param(void *object,
 static const struct spa_device_methods impl_device = {
 	SPA_VERSION_DEVICE_METHODS,
 	.add_listener = impl_add_listener,
+	.sync = impl_sync,
 	.enum_params = impl_enum_params,
 	.set_param = impl_set_param,
 };
diff --git a/spa/plugins/v4l2/v4l2-source.c b/spa/plugins/v4l2/v4l2-source.c
index 23329f2d8..6433d4e17 100644
--- a/spa/plugins/v4l2/v4l2-source.c
+++ b/spa/plugins/v4l2/v4l2-source.c
@@ -377,6 +377,17 @@ static int impl_node_set_callbacks(void *object,
 	return 0;
 }
 
+static int impl_node_sync(void *object, int seq)
+{
+	struct impl *this = object;
+
+	spa_return_val_if_fail(this != NULL, -EINVAL);
+
+	spa_node_emit_result(&this->hooks, seq, 0, 0, NULL);
+
+	return 0;
+}
+
 static int impl_node_add_port(void *object,
 			      enum spa_direction direction,
 			      uint32_t port_id, const struct spa_dict *props)
@@ -878,6 +889,7 @@ static const struct spa_node_methods impl_node = {
 	SPA_VERSION_NODE_METHODS,
 	.add_listener = impl_node_add_listener,
 	.set_callbacks = impl_node_set_callbacks,
+	.sync = impl_node_sync,
 	.enum_params = impl_node_enum_params,
 	.set_param = impl_node_set_param,
 	.set_io = impl_node_set_io,