diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c index ba99114e86a9..ae8ec98bb4eb 100644 --- a/sound/soc/sof/ipc4-topology.c +++ b/sound/soc/sof/ipc4-topology.c @@ -1805,12 +1805,19 @@ static int sof_ipc4_route_free(struct snd_sof_dev *sdev, struct snd_sof_route *s struct sof_ipc4_fw_module *sink_fw_module = sink_widget->module_info; struct sof_ipc4_msg msg = {{ 0 }}; u32 header, extension; - int ret; + int ret = 0; dev_dbg(sdev->dev, "unbind modules %s:%d -> %s:%d\n", src_widget->widget->name, sroute->src_queue_id, sink_widget->widget->name, sroute->dst_queue_id); + /* + * routes belonging to the same pipeline will be disconnected by the FW when the pipeline + * is freed. So avoid sending this IPC which will be ignored by the FW anyway. + */ + if (src_widget->pipe_widget == sink_widget->pipe_widget) + goto out; + header = src_fw_module->man4_module_entry.id; header |= SOF_IPC4_MOD_INSTANCE(src_widget->instance_id); header |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_UNBIND); @@ -1829,7 +1836,7 @@ static int sof_ipc4_route_free(struct snd_sof_dev *sdev, struct snd_sof_route *s if (ret < 0) dev_err(sdev->dev, "failed to unbind modules %s -> %s\n", src_widget->widget->name, sink_widget->widget->name); - +out: sof_ipc4_put_queue_id(sink_widget, sroute->dst_queue_id, SOF_PIN_TYPE_SINK); sof_ipc4_put_queue_id(src_widget, sroute->src_queue_id, SOF_PIN_TYPE_SOURCE);