Re: [PATCH v5 19/21] ASoC: qdsp6: audioreach: add q6apm lpass dai support

 config SND_SOC_QDSP6_APM
 	select SND_SOC_QDSP6_APM_DAI
+	select SND_SOC_QDSP6_APM_LPASS_DAI
 	tristate

+static int q6apm_lpass_dai_prepare(struct snd_pcm_substream *substream,
+			       struct snd_soc_dai *dai)
+{
+	struct q6apm_lpass_dai_data *dai_data = dev_get_drvdata(dai->dev);
+	struct audioreach_module_config *cfg = &dai_data->module_config[dai->id];
+	int graph_id = dai->id;
+	int rc;
+	struct q6apm_graph *graph;
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+		graph = q6apm_graph_open(dai->dev, NULL, dai->dev, graph_id);
+		if (IS_ERR(graph)) {
+			dev_err(dai->dev, "Failed to open graph (%d)\n",
+				graph_id);
+			rc = PTR_ERR(graph);
+			return rc;
+		}
+		dai_data->graph[graph_id] = graph;
+	}

+
+	cfg->direction = substream->stream;
+	rc = q6apm_graph_media_format_pcm(dai_data->graph[dai->id], cfg);
+
+	if (rc) {
+		dev_err(dai->dev, "Failed to set media format %d\n", rc);
+		return rc;
+	}
+
+	rc = q6apm_graph_prepare(dai_data->graph[dai->id]);
+	if (rc) {
+		dev_err(dai->dev, "Failed to prepare Graph %d\n", rc);
+		return rc;
+	}
+
+	rc = q6apm_graph_start(dai_data->graph[dai->id]);
+	if (rc < 0) {
+		dev_err(dai->dev, "fail to start APM port %x\n", dai->id);
+		return rc;
+	}
+	dai_data->is_port_started[dai->id] = true;
+
+	return 0;
+}
+
+static int q6apm_lpass_dai_startup(struct snd_pcm_substream *substream,
+				struct snd_soc_dai *dai)
+{
+	struct q6apm_lpass_dai_data *dai_data = dev_get_drvdata(dai->dev);
+	int graph_id = dai->id;
+	struct q6apm_graph *graph;
+
+	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
+		graph = q6apm_graph_open(dai->dev, NULL, dai->dev, graph_id);
+		if (IS_ERR(graph)) {
+			dev_err(dai->dev, "Failed to open graph (%d)\n",
+				graph_id);
+			return PTR_ERR(graph);
+		}
+		dai_data->graph[graph_id] = graph;
+	}

+
+	return 0;
+}
+