asoc: Add transcode loopback capture app type cfg controls

Add app type config controls for transcode loopback capture node.
This is required to configure CoPreP independently in loopback
usecases.

Change-Id: I79aa098b8b9d3ac4baf9291f8a25297a3ffef1bd
Signed-off-by: Chaithanya Krishna Bacharaju <[email protected]>

asoc/msm-transcode-loopback-q6-v2.c

@@ -901,6 +901,67 @@ done:
 	return ret;
 }
 
+static int msm_transcode_capture_app_type_cfg_put(
+			struct snd_kcontrol *kcontrol,
+			struct snd_ctl_elem_value *ucontrol)
+{
+	u64 fe_id = kcontrol->private_value;
+	int session_type = SESSION_TYPE_TX;
+	int be_id = ucontrol->value.integer.value[APP_TYPE_CONFIG_IDX_BE_ID];
+	struct msm_pcm_stream_app_type_cfg cfg_data = {0, 0, 48000};
+	int ret = 0;
+
+	cfg_data.app_type = ucontrol->value.integer.value[
+			    APP_TYPE_CONFIG_IDX_APP_TYPE];
+	cfg_data.acdb_dev_id = ucontrol->value.integer.value[
+			       APP_TYPE_CONFIG_IDX_ACDB_ID];
+	if (ucontrol->value.integer.value[APP_TYPE_CONFIG_IDX_SAMPLE_RATE] != 0)
+		cfg_data.sample_rate = ucontrol->value.integer.value[
+				       APP_TYPE_CONFIG_IDX_SAMPLE_RATE];
+	pr_debug("%s: fe_id %llu session_type %d be_id %d app_type %d acdb_dev_id %d sample_rate- %d\n",
+		__func__, fe_id, session_type, be_id,
+		cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate);
+	ret = msm_pcm_routing_reg_stream_app_type_cfg(fe_id, session_type,
+						      be_id, &cfg_data);
+	if (ret < 0)
+		pr_err("%s: register stream app type cfg failed, returned %d\n",
+			__func__, ret);
+
+	return ret;
+}
+
+static int msm_transcode_capture_app_type_cfg_get(
+			struct snd_kcontrol *kcontrol,
+			struct snd_ctl_elem_value *ucontrol)
+{
+	u64 fe_id = kcontrol->private_value;
+	int session_type = SESSION_TYPE_TX;
+	int be_id = 0;
+	struct msm_pcm_stream_app_type_cfg cfg_data = {0};
+	int ret = 0;
+
+	ret = msm_pcm_routing_get_stream_app_type_cfg(fe_id, session_type,
+						      &be_id, &cfg_data);
+	if (ret < 0) {
+		pr_err("%s: get stream app type cfg failed, returned %d\n",
+			__func__, ret);
+		goto done;
+	}
+
+	ucontrol->value.integer.value[APP_TYPE_CONFIG_IDX_APP_TYPE] =
+					cfg_data.app_type;
+	ucontrol->value.integer.value[APP_TYPE_CONFIG_IDX_ACDB_ID] =
+					cfg_data.acdb_dev_id;
+	ucontrol->value.integer.value[APP_TYPE_CONFIG_IDX_SAMPLE_RATE] =
+					cfg_data.sample_rate;
+	ucontrol->value.integer.value[APP_TYPE_CONFIG_IDX_BE_ID] = be_id;
+	pr_debug("%s: fedai_id %llu, session_type %d, be_id %d, app_type %d, acdb_dev_id %d, sample_rate %d\n",
+		__func__, fe_id, session_type, be_id,
+		cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate);
+done:
+	return ret;
+}
+
 static int msm_transcode_set_volume(struct snd_compr_stream *cstream,
 				uint32_t master_gain)
 {
@@ -1411,14 +1472,12 @@ static int msm_transcode_add_app_type_cfg_control(
 			struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_soc_component *component = NULL;
-	char mixer_str[32];
+	char mixer_str[128];
 	struct snd_kcontrol_new fe_app_type_cfg_control[1] = {
 		{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 		.info = msm_transcode_app_type_cfg_info,
-		.put = msm_transcode_playback_app_type_cfg_put,
-		.get = msm_transcode_playback_app_type_cfg_get,
 		.private_value = 0,
 		}
 	};
@@ -1447,6 +1506,23 @@ static int msm_transcode_add_app_type_cfg_control(
 		fe_app_type_cfg_control[0].get =
 				msm_transcode_playback_app_type_cfg_get;
 
+		pr_debug("Registering new mixer ctl %s", mixer_str);
+		snd_soc_add_component_controls(component,
+					fe_app_type_cfg_control,
+					ARRAY_SIZE(fe_app_type_cfg_control));
+	} else if (rtd->compr->direction == SND_COMPRESS_CAPTURE) {
+		snprintf(mixer_str, sizeof(mixer_str),
+			"Audio Stream Capture %d App Type Cfg",
+			 rtd->pcm->device);
+
+		fe_app_type_cfg_control[0].name = mixer_str;
+		fe_app_type_cfg_control[0].private_value = rtd->dai_link->id;
+
+		fe_app_type_cfg_control[0].put =
+				msm_transcode_capture_app_type_cfg_put;
+		fe_app_type_cfg_control[0].get =
+				msm_transcode_capture_app_type_cfg_get;
+
 		pr_debug("Registering new mixer ctl %s", mixer_str);
 		snd_soc_add_component_controls(component,
 					fe_app_type_cfg_control,
@@ -1455,6 +1531,7 @@ static int msm_transcode_add_app_type_cfg_control(
 
 	return 0;
 }
+
 static int msm_transcode_volume_info(struct snd_kcontrol *kcontrol,
 				 struct snd_ctl_elem_info *uinfo)
 {