diff --git a/sound/soc/qcom/qdsp6/q6apm.c b/sound/soc/qcom/qdsp6/q6apm.c
index 9b7c0a424589..220f61cbd4c3 100644
--- a/sound/soc/qcom/qdsp6/q6apm.c
+++ b/sound/soc/qcom/qdsp6/q6apm.c
@@ -861,9 +861,31 @@ static int apm_callback(const struct gpr_resp_pkt *data, void *priv, int op)
 			wake_up(&apm->wait);
 			break;
 		default:
+			/*
+			 * Unlisted command results (debug/probe opcodes sent
+			 * via voice-proto) must still wake the sync waiter or
+			 * every such send stalls for the full timeout.
+			 */
+			apm->result.opcode = result->opcode;
+			apm->result.status = result->status;
+			if (result->status)
+				dev_err(dev, "Error (%d) Processing 0x%08x cmd\n",
+					result->status, result->opcode);
+			wake_up(&apm->wait);
 			break;
 		}
 		break;
+	case 0x03001000: { /* APM_EVENT_MODULE_TO_CLIENT */
+		/* apm_module_event_t: event_id, payload_size, payload */
+		const u32 *ev = data->payload;
+		u32 ev_sz = hdr->pkt_size - hdr->hdr_size * 4;
+
+		dev_info(dev, "MODULE EVENT from 0x%x: event_id 0x%08x size %u\n",
+			 hdr->src_port, ev[0], ev[1]);
+		print_hex_dump(KERN_INFO, "EVENT: ", DUMP_PREFIX_OFFSET,
+			       16, 4, ev, ev_sz, false);
+		break;
+	}
 	case APM_CMD_RSP_GET_CFG: {
 		/* status word, then apm_module_param_data_t sections */
 		const u32 *rsp_pl = data->payload;