ipc_trigger       162 sound/soc/sof/topology.c 		ret = ipc_trigger(swidget, SOF_IPC_STREAM_TRIG_START);
ipc_trigger       170 sound/soc/sof/topology.c 		ret = ipc_trigger(swidget, SOF_IPC_STREAM_TRIG_STOP);
ipc_trigger       177 sound/soc/sof/topology.c 		ret = ipc_trigger(swidget, SOF_IPC_STREAM_PCM_FREE);