/* sound_trigger_platform.c
 *
 * This file contains the platform specific functionality.
 *
 * Copyright (c) 2013-2021, The Linux Foundation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 *     * Neither the name of The Linux Foundation nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Not a Contribution.
 *
 * Copyright (C) 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#define LOG_TAG "sound_trigger_platform"
#define ATRACE_TAG (ATRACE_TAG_HAL)
/* #define LOG_NDEBUG 0 */
#define LOG_NDDEBUG 0
#ifdef LINUX_ENABLED
/*temporay change since defination is not found for msmcal-hwdep.h*/
typedef unsigned int __u32;
typedef unsigned char __u8;
#endif

#include <cutils/log.h>
#include <cutils/str_parms.h>
#include <cutils/properties.h>
#include <cutils/trace.h>
#include <dlfcn.h>
#include <expat.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sound/asound.h>
#include <sound/msmcal-hwdep.h>
#include <linux/msm_audio_calibration.h> /* for AUDIO_CORE_METAINFO_CAL_TYPE; audio_cal_info_metainfo */
#include <sound/lsm_params.h>
#include "sound_trigger_platform.h"
#include "sound_trigger_hw.h"
#include "st_hw_session_gcs.h" /* for gcs_init/deinit */
#include "st_hw_session_pcm.h" /* for pcm_init/deinit */
#include "st_second_stage.h"

/* platform info keys */
#define ST_PARAM_KEY_MAX_CPE_SESSIONS "max_cpe_sessions"
#define ST_PARAM_KEY_MAX_APE_SESSIONS "max_ape_sessions"
#define ST_PARAM_KEY_MAX_WDSP_SESSIONS "max_wdsp_sessions"
#define ST_PARAM_KEY_SW_MAD "sw_mad"
#define ST_PARAM_KEY_BG_KWD "bg_kwd"
#define ST_PARAM_KEY_ENABLE_FAILURE_DETECTION "enable_failure_detection"
#define ST_PARAM_KEY_RX_CONCURRENCY_DISABLED "rx_concurrency_disabled"
#define ST_PARAM_KEY_RX_MAX_CONC_SESSIONS "rx_conc_max_st_ses"
#define ST_PARAM_KEY_CONCURRENT_CAPTURE "concurrent_capture"
#define ST_PARAM_KEY_CONCURRENT_VOICE_CALL "concurrent_voice_call"
#define ST_PARAM_KEY_CONCURRENT_VOIP_CALL "concurrent_voip_call"


#define ST_PARAM_KEY_FIRMWARE_IMAGE "firmware_image"
#define ST_PARAM_KEY_SM_VENDOR_UUID "vendor_uuid"
#define ST_PARAM_KEY_MERGE_FIRST_STAGE_SOUNDMODELS "merge_first_stage_sound_models"
#define ST_PARAM_KEY_APP_TYPE "app_type"
#define ST_PARAM_KEY_PDK5_APP_TYPE "pdk5_app_type"
#define ST_PARAM_KEY_MAX_CPE_PHRASES "max_cpe_phrases"
#define ST_PARAM_KEY_MAX_APE_USERS "max_ape_users"
#define ST_PARAM_KEY_MAX_APE_PHRASES "max_ape_phrases"
#define ST_PARAM_KEY_MAX_CPE_USERS "max_cpe_users"
#define ST_PARAM_KEY_SAMPLE_RATE "sample_rate"
#define ST_PARAM_KEY_BIT_WIDTH "bit_width"
#define ST_PARAM_KEY_CHANNEL_COUNT "channel_count"
#define ST_PARAM_KEY_IN_CHANNELS "in_channels"
#define ST_PARAM_KEY_IN_CHANNELS_LPI "in_channels_lpi"
#define ST_PARAM_KEY_LPI_MODE "lpi_mode"
#define ST_PARAM_KEY_OUT_CHANNELS "out_channels"
#define ST_PARAM_KEY_ADM_CFG_PROFILE "adm_cfg_profile"
#define ST_PARAM_KEY_CAPTURE_DEVICE "capture_device"
#define ST_PARAM_KEY_MODULE_TYPE "module_type"
#define ST_PARAM_KEY_LOAD_SOUND_MODEL_IDS "load_sound_model_ids"
#define ST_PARAM_KEY_UNLOAD_SOUND_MODEL_IDS "unload_sound_model_ids"
#define ST_PARAM_KEY_CONFIDENCE_LEVELS_IDS "confidence_levels_ids"
#define ST_PARAM_KEY_OPERATION_MODE_IDS "operation_mode_ids"
#define ST_PARAM_KEY_POLLING_ENABLE_IDS "polling_enable_ids"
#define ST_PARAM_KEY_CUSTOM_CONFIG_IDS "custom_config_ids"
#define ST_PARAM_KEY_DET_EVENT_TYPE_IDS "det_event_type_ids"
#define ST_PARAM_KEY_DETECTION_EVENT_IDS "detection_event_ids"
#define ST_PARAM_KEY_READ_REQ_IDS "read_cmd_ids"
#define ST_PARAM_KEY_READ_RSP_IDS "read_rsp_ids"
#define ST_PARAM_KEY_START_ENGINE_IDS "start_engine_ids"
#define ST_PARAM_KEY_RESTART_ENGINE_IDS "restart_engine_ids"
#define ST_PARAM_KEY_REQUEST_DETECTION_IDS "request_detection_ids"
#define ST_PARAM_KEY_LAB_DAM_CFG_IDS "lab_dam_cfg_ids"
#define ST_PARAM_KEY_UID "uid"
#define ST_PARAM_KEY_ACDB_DEVICES "acdb_devices"
#define ST_PARAM_KEY_CAPTURE_KEYWORD "capture_keyword"
#define ST_PARAM_KEY_CLIENT_CAPTURE_READ_DELAY "client_capture_read_delay"
#define ST_PARAM_KEY_KW_START_TOLERANCE "kw_start_tolerance"
#define ST_PARAM_KEY_KW_END_TOLERANCE "kw_end_tolerance"
#define ST_PARAM_KEY_EXECUTION_TYPE "execution_type"
#define ST_PARAM_KEY_SECOND_STAGE_SUPPORTED "second_stage_supported"
#define ST_PARAM_KEY_EVENT_TIMESTAMP_MODE "event_timestamp_mode"
#define ST_PARAM_KEY_BACKEND_PORT_NAME "backend_port_name"
#define ST_PARAM_KEY_BACKEND_DAI_NAME "backend_dai_name"
#define ST_PARAM_KEY_SND_CARD_NAME "snd_card_name"
#define ST_PARAM_KEY_FLUENCE_TYPE "fluence_type"
#define ST_PARAM_KEY_WDSP_FLUENCE_TYPE "wdsp_fluence_type"
#define ST_PARAM_KEY_SUPPORT_DEVICE_SWITCH "support_device_switch"
#define ST_PARAM_KEY_EXECUTION_MODE "execution_mode"
#define ST_PARAM_KEY_TRANSIT_TO_ADSP_ON_PLAYBACK "transit_to_adsp_on_playback"
#define ST_PARAM_KEY_TRANSIT_TO_ADSP_ON_BATTERY_CHARGING \
    "transit_to_adsp_on_battery_charging"
#define ST_PARAM_KEY_TRANSIT_TO_NON_LPI_ON_BATTERY_CHARGING \
    "transit_to_non_lpi_on_battery_charging"
#define ST_PARAM_KEY_PLATFORM_LPI_ENABLE "platform_lpi_enable"
#define ST_PARAM_KEY_SUPPORT_BARGE_IN_MODE \
    "support_non_lpi_without_ec"
#define ST_PARAM_KEY_TRANSIT_WAIT_TIME "transit_wait_time"
#define ST_PARAM_KEY_SPLIT_EC_REF_DATA "split_ec_ref_data"
#define ST_PARAM_KEY_EC_REF_CHANNEL_COUNT "ec_ref_channel_count"
#define ST_PARAM_KEY_IMPLEMENTER_UUID "implementer_uuid"
#define ST_PARAM_KEY_IMPLEMENTER_VERSION "implementer_version"
#define ST_PARAM_KEY_BB_IDS "bridge_buffer_ids"
#define ST_PARAM_KEY_LAB_CONTROL_IDS "lab_control_ids"
#define ST_PARAM_KEY_LPI_ENABLE "lpi_enable"
#define ST_PARAM_KEY_VAD_ENABLE "vad_enable"
#define ST_PARAM_KEY_DEDICATED_SVA_PATH "dedicated_sva_path"
#define ST_PARAM_KEY_DEDICATED_HEADSET_PATH "dedicated_headset_path"
#define ST_PARAM_KEY_ENABLE_DEBUG_DUMPS "enable_debug_dumps"
#define ST_PARAM_KEY_DAM_TOKEN_ID "dam_token_id"
#define ST_PARAM_KEY_GET_MODULE_VERSION "get_module_version"
#define ST_PARAM_KEY_VERSION_ID "version_ids"

#ifndef Q6AFE_HWDEP_NODE
#define Q6AFE_HWDEP_NODE -1
#endif

#define ST_PARAM_KEY_DEVICE_HANDSET_APE "DEVICE_HANDSET_MIC_APE"
#define ST_PARAM_KEY_DEVICE_HANDSET_CPE "DEVICE_HANDSET_MIC_CPE"
#define ST_PARAM_KEY_DEVICE_HANDSET_CPE_ECPP "DEVICE_HANDSET_MIC_ECPP_CPE"
#define ST_PARAM_KEY_DEVICE_HANDSET_DMIC_CPE "DEVICE_HANDSET_DMIC_CPE"
#define ST_PARAM_KEY_DEVICE_HANDSET_TMIC_CPE "DEVICE_HANDSET_TMIC_CPE"
#define ST_PARAM_KEY_DEVICE_HANDSET_QMIC_CPE "DEVICE_HANDSET_QMIC_CPE"
#define ST_PARAM_KEY_DEVICE_HANDSET_DMIC_APE "DEVICE_HANDSET_DMIC_APE"
#define ST_PARAM_KEY_DEVICE_HANDSET_TMIC_APE "DEVICE_HANDSET_TMIC_APE"
#define ST_PARAM_KEY_DEVICE_HANDSET_QMIC_APE "DEVICE_HANDSET_QMIC_APE"
#define ST_PARAM_KEY_DEVICE_HANDSET_6MIC_APE "DEVICE_HANDSET_6MIC_APE"
#define ST_PARAM_KEY_DEVICE_HANDSET_8MIC_APE "DEVICE_HANDSET_8MIC_APE"
#define ST_PARAM_KEY_DEVICE_HEADSET_CPE "DEVICE_HEADSET_MIC_CPE"
#define ST_PARAM_KEY_DEVICE_HEADSET_APE "DEVICE_HEADSET_MIC_APE"
#define ST_PARAM_KEY_DEVICE_HANDSET_APE_PP "DEVICE_HANDSET_MIC_PP_APE"
#define ST_PARAM_KEY_DEVICE_HANDSET_QMIC_ARM "DEVICE_HANDSET_QMIC_ARM"
#define ST_PARAM_KEY_DEVICE_HANDSET_6MIC_ARM "DEVICE_HANDSET_6MIC_ARM"
#define ST_PARAM_KEY_DEVICE_HANDSET_8MIC_ARM "DEVICE_HANDSET_8MIC_ARM"
#define ST_PARAM_KEY_DEVICE_HANDSET_DMIC_LPI_APE "DEVICE_HANDSET_DMIC_LPI_APE"
#define ST_PARAM_KEY_DEVICE_HANDSET_TMIC_LPI_APE "DEVICE_HANDSET_TMIC_LPI_APE"
#define ST_PARAM_KEY_DEVICE_HANDSET_QMIC_LPI_APE "DEVICE_HANDSET_QMIC_LPI_APE"
#define ST_PARAM_KEY_DEVICE_HANDSET_6MIC_LPI_APE "DEVICE_HANDSET_6MIC_LPI_APE"
#define ST_PARAM_KEY_DEVICE_HANDSET_8MIC_LPI_APE "DEVICE_HANDSET_8MIC_LPI_APE"
#define ST_PARAM_KEY_DEVICE_HEADSET_LPI_APE "DEVICE_HEADSET_MIC_APE_LPI"

#define ST_PARAM_KEY_SS_SM_TYPE "sm_detection_type"
#define ST_PARAM_KEY_SS_SM_ID "sm_id"
#define ST_PARAM_KEY_SS_LIB "module_lib"
#define ST_PARAM_KEY_SS_DATA_BEFORE_KW_START "data_before_kw_start"
#define ST_PARAM_KEY_SS_DATA_AFTER_KW_END "data_after_kw_end"

#define ST_BACKEND_PORT_NAME_MAX_SIZE 25
#define ST_MAX_LENGTH_MIXER_CONTROL 128
#define ST_MAX_NUM_CHANNELS 4
#define ST_MAX_SND_CARD_NAME_LENGTH 100
#define ST_MAX_STRING_PARAM_SIZE 128

typedef int  (*acdb_loader_init_v2_t)(const char *, const char *, int);
typedef void (*acdb_loader_deallocate_t)(void);
typedef void (*acdb_loader_send_listen_device_cal_t)(int, int, int, int);
typedef void (*acdb_loader_send_listen_device_cal_v1_t)(int, int, int, int, int);
typedef int  (*acdb_loader_send_listen_lsm_cal_t)(int, int, int, int);
typedef int  (*acdb_loader_send_listen_lsm_cal_v1_t)(int, int, int, int, int);
typedef int  (*acdb_loader_get_calibration_t)(char *, int, void *);
typedef int  (*acdb_loader_get_audio_cal_t) (void *, void *, unsigned int*);
typedef int  (*acdb_loader_send_common_custom_topology_t)();

struct st_device_index
st_device_name_idx[ST_EXEC_MODE_MAX][ST_DEVICE_MAX] = {
   {
       {"DEVICE_HANDSET_MIC_APE", ST_DEVICE_HANDSET_MIC},
       {"DEVICE_HANDSET_DMIC_APE", ST_DEVICE_HANDSET_DMIC},
       {"DEVICE_HANDSET_TMIC_APE", ST_DEVICE_HANDSET_TMIC},
       {"DEVICE_HANDSET_QMIC_APE", ST_DEVICE_HANDSET_QMIC},
       {"DEVICE_HANDSET_6MIC_APE", ST_DEVICE_HANDSET_6MIC},
       {"DEVICE_HANDSET_8MIC_APE", ST_DEVICE_HANDSET_8MIC},
       {"DEVICE_HANDSET_MIC_PP_APE", ST_DEVICE_HANDSET_MIC_PP},
       {"DEVICE_HANDSET_DMIC_LPI_APE", ST_DEVICE_HANDSET_DMIC_LPI},
       {"DEVICE_HANDSET_TMIC_LPI_APE", ST_DEVICE_HANDSET_TMIC_LPI},
       {"DEVICE_HANDSET_QMIC_LPI_APE", ST_DEVICE_HANDSET_QMIC_LPI},
       {"DEVICE_HANDSET_6MIC_LPI_APE", ST_DEVICE_HANDSET_6MIC_LPI},
       {"DEVICE_HANDSET_8MIC_LPI_APE", ST_DEVICE_HANDSET_8MIC_LPI},
       {"DEVICE_HEADSET_MIC_APE", ST_DEVICE_HEADSET_MIC},
       {"DEVICE_HEADSET_MIC_APE_LPI", ST_DEVICE_HEADSET_MIC_LPI},
   },
   {
       {"DEVICE_HANDSET_MIC_CPE", ST_DEVICE_HANDSET_MIC},
       {"DEVICE_HANDSET_MIC_ECPP_CPE", ST_DEVICE_HANDSET_MIC_ECPP},
       {"DEVICE_HANDSET_DMIC_CPE", ST_DEVICE_HANDSET_DMIC},
       {"DEVICE_HANDSET_TMIC_CPE", ST_DEVICE_HANDSET_TMIC},
       {"DEVICE_HANDSET_QMIC_CPE", ST_DEVICE_HANDSET_QMIC},
       {"DEVICE_HEADSET_MIC_CPE", ST_DEVICE_HEADSET_MIC},
   },
   {
       {"DEVICE_HANDSET_QMIC_ARM", ST_DEVICE_HANDSET_QMIC},
       {"DEVICE_HANDSET_6MIC_ARM", ST_DEVICE_HANDSET_6MIC},
       {"DEVICE_HANDSET_8MIC_ARM", ST_DEVICE_HANDSET_8MIC},
   },
};

static const char * const
st_device_table[ST_EXEC_MODE_MAX][ST_DEVICE_MAX] = {
    {
        /* ADSP SVA devices */
        [ST_DEVICE_NONE] = "none",
        [ST_DEVICE_HANDSET_MIC] = "listen-ape-handset-mic",
        [ST_DEVICE_HANDSET_DMIC] = "listen-ape-handset-dmic",
        [ST_DEVICE_HANDSET_TMIC] = "listen-ape-handset-tmic",
        [ST_DEVICE_HANDSET_QMIC] = "listen-ape-handset-qmic",
        [ST_DEVICE_HANDSET_6MIC] = "listen-ape-handset-6mic",
        [ST_DEVICE_HANDSET_8MIC] = "listen-ape-handset-8mic",
        [ST_DEVICE_HANDSET_MIC_PP] = "listen-ape-handset-mic-preproc",
        [ST_DEVICE_HANDSET_DMIC_LPI] = "listen-ape-handset-dmic",
        [ST_DEVICE_HANDSET_TMIC_LPI] = "listen-ape-handset-tmic",
        [ST_DEVICE_HANDSET_QMIC_LPI] = "listen-ape-handset-qmic",
        [ST_DEVICE_HANDSET_6MIC_LPI] = "listen-ape-handset-6mic",
        [ST_DEVICE_HANDSET_8MIC_LPI] = "listen-ape-handset-8mic",
        [ST_DEVICE_HEADSET_MIC] = "listen-ape-headset-mic",
        [ST_DEVICE_HEADSET_MIC_LPI] = "listen-ape-headset-mic",
    },
    {
        /* CPE SVA devices */
        [ST_DEVICE_NONE] = "none",
        [ST_DEVICE_HANDSET_MIC] = "listen-cpe-handset-mic",
        [ST_DEVICE_HANDSET_MIC_ECPP] = "listen-cpe-handset-mic-ecpp",
        [ST_DEVICE_HANDSET_DMIC] = "listen-cpe-handset-dmic",
        [ST_DEVICE_HANDSET_TMIC] = "listen-cpe-handset-tmic",
        [ST_DEVICE_HANDSET_QMIC] = "listen-cpe-handset-qmic",
        [ST_DEVICE_HEADSET_MIC] = "listen-cpe-headset-mic",
    },
    {
        /* ARM SVA devices */
        [ST_DEVICE_NONE] = "none",
        [ST_DEVICE_HANDSET_QMIC] = "listen-handset-qmic",
        [ST_DEVICE_HANDSET_6MIC] = "listen-handset-6mic",
        [ST_DEVICE_HANDSET_8MIC] = "listen-handset-8mic",
    },
};

/* ACDB IDs for each device for both CDSP and ADSP */
static int acdb_device_table[ST_EXEC_MODE_MAX][ST_DEVICE_MAX] = {
    {
      [ST_DEVICE_NONE] = -1,
      [ST_DEVICE_HANDSET_MIC] = DEVICE_HANDSET_APE_ACDB_ID,
      [ST_DEVICE_HANDSET_DMIC] = DEVICE_HANDSET_APE_ACDB_ID,
      [ST_DEVICE_HANDSET_TMIC] = DEVICE_HANDSET_APE_ACDB_ID,
      [ST_DEVICE_HANDSET_QMIC] = DEVICE_HANDSET_APE_ACDB_ID,
      [ST_DEVICE_HANDSET_6MIC] = DEVICE_HANDSET_APE_ACDB_ID,
      [ST_DEVICE_HANDSET_8MIC] = DEVICE_HANDSET_APE_ACDB_ID,
      [ST_DEVICE_HANDSET_MIC_PP] = DEVICE_HANDSET_APE_ACDB_ID,
      [ST_DEVICE_HANDSET_DMIC_LPI] = DEVICE_HANDSET_APE_ACDB_ID,
      [ST_DEVICE_HANDSET_TMIC_LPI] = DEVICE_HANDSET_APE_ACDB_ID,
      [ST_DEVICE_HANDSET_QMIC_LPI] = DEVICE_HANDSET_APE_ACDB_ID,
      [ST_DEVICE_HANDSET_6MIC_LPI] = DEVICE_HANDSET_APE_ACDB_ID,
      [ST_DEVICE_HANDSET_8MIC_LPI] = DEVICE_HANDSET_APE_ACDB_ID,
      [ST_DEVICE_HEADSET_MIC] = DEVICE_HEADSET_APE_ACDB_ID,
      [ST_DEVICE_HEADSET_MIC_LPI] = DEVICE_HEADSET_APE_ACDB_ID,
    },
    {
      [ST_DEVICE_NONE] = -1,
      [ST_DEVICE_HANDSET_MIC] = DEVICE_HANDSET_CPE_ACDB_ID,
      [ST_DEVICE_HANDSET_MIC_ECPP] = DEVICE_HANDSET_CPE_ACDB_ID,
      [ST_DEVICE_HANDSET_DMIC] = DEVICE_HANDSET_CPE_ACDB_ID,
      [ST_DEVICE_HANDSET_TMIC] = DEVICE_HANDSET_CPE_ACDB_ID,
      [ST_DEVICE_HANDSET_QMIC] = DEVICE_HANDSET_CPE_ACDB_ID,
      [ST_DEVICE_HEADSET_MIC] = DEVICE_HEADSET_CPE_ACDB_ID,
    },
    {
      [ST_DEVICE_NONE] = -1,
      [ST_DEVICE_HANDSET_QMIC] = DEVICE_HANDSET_ARM_ACDB_ID,
      [ST_DEVICE_HANDSET_6MIC] = DEVICE_HANDSET_ARM_ACDB_ID,
      [ST_DEVICE_HANDSET_8MIC] = DEVICE_HANDSET_ARM_ACDB_ID,
    },
};

/*
 * backend type for each device for both ADSP and CPE.
 * The backend type is used to determine whether two st_devices
 * share common backend or not.
 */
static char *st_device_backend_table[ST_EXEC_MODE_MAX][ST_DEVICE_MAX];

/* Qualcomm Technologies Inc. vendorUuid */
static const sound_trigger_uuid_t qcva_uuid =
    { 0x68ab2d40, 0xe860, 0x11e3, 0x95ef, { 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b } };

/* QTI Music Detection vendorUuid */
static const sound_trigger_uuid_t qcmd_uuid =
    { 0x876c1b46, 0x9d4d, 0x40cc, 0xa4fd, { 0x4d, 0x5e, 0xc7, 0xa8, 0x0e, 0x47 } };

/* Platform xml tags */
typedef enum {
    TAG_ROOT,
    TAG_COMMON,
    TAG_ACDB,
    TAG_BACKEND_TYPE,
    TAG_SOUND_MODEL,
    TAG_ARM_SS_USECASE,
    TAG_GCS_USECASE,
    TAG_LSM_USECASE,
    TAG_ADM_CFG,
    TAG_LPMA_CONFIG,
    TAG_ACDB_METAINFO_KEY,
    TAG_LSM_SS_USECASE,
    TAG_MODULE_PARAMS
} st_xml_tags_t;

typedef void (*st_xml_process_fn)(void *platform, const XML_Char **attr);
static void platform_stdev_process_kv_params(void *platform, const XML_Char **attr);
static void process_stdev_acdb_metainfo_key(void *platform, const XML_Char **attr);

/* function pointers for xml tag info parsing */
static st_xml_process_fn process_table[] = {
    [TAG_ROOT] = NULL,
    [TAG_COMMON] = platform_stdev_process_kv_params,
    [TAG_ACDB] = platform_stdev_process_kv_params,
    [TAG_BACKEND_TYPE] = platform_stdev_process_kv_params,
    [TAG_SOUND_MODEL] = platform_stdev_process_kv_params,
    [TAG_ARM_SS_USECASE] = platform_stdev_process_kv_params,
    [TAG_GCS_USECASE] = platform_stdev_process_kv_params,
    [TAG_LSM_USECASE] = platform_stdev_process_kv_params,
    [TAG_ADM_CFG] = platform_stdev_process_kv_params,
    [TAG_LPMA_CONFIG] = platform_stdev_process_kv_params,
    [TAG_ACDB_METAINFO_KEY] = process_stdev_acdb_metainfo_key,
    [TAG_LSM_SS_USECASE] = platform_stdev_process_kv_params,
    [TAG_MODULE_PARAMS] = platform_stdev_process_kv_params,
};

#define ST_ACDB_METAINFO_KEY_MODULE_NAME_LEN (100)

struct meta_key_list {
    struct listnode list;
    struct audio_cal_info_metainfo cal_info;
    char name[ST_ACDB_METAINFO_KEY_MODULE_NAME_LEN];
};

struct platform_data {
    int hwdep_fd;
    int prev_acdb_id;
    int vad_hwdep_fd;
    sound_trigger_device_t *stdev;
    void *acdb_handle;
    acdb_loader_send_listen_device_cal_t acdb_send_device_cal;
    acdb_loader_send_listen_device_cal_v1_t acdb_send_device_cal_v1;
    acdb_loader_send_listen_lsm_cal_t acdb_send_lsm_cal;
    acdb_loader_send_listen_lsm_cal_v1_t acdb_send_lsm_cal_v1;
    acdb_loader_get_calibration_t acdb_get_cal;
    acdb_loader_get_audio_cal_t acdb_get_audio_cal;
    acdb_loader_init_v2_t acdb_init;
    acdb_loader_send_common_custom_topology_t acdb_send_common_custom_topology;

    audio_hw_open_snd_mixer_t audio_hw_open_snd_mixer;
    audio_hw_close_snd_mixer_t audio_hw_close_snd_mixer;
    audio_hw_acdb_init_t audio_hw_acdb_init;
    audio_hw_acdb_init_v2_t audio_hw_acdb_init_v2;
    acdb_loader_deallocate_t acdb_deinit;

    int xml_version;
    st_xml_tags_t st_xml_tag;
    struct str_parms *kvpairs;

    char codec_version[15];

    char backend_port[ST_BACKEND_PORT_NAME_MAX_SIZE];
    st_codec_backend_cfg_t codec_backend_cfg;
    char ec_ref_mixer_path[ST_MAX_LENGTH_MIXER_CONTROL];
    int bad_mic_channel_index;

    int max_be_dai_names;
    struct st_be_dai_name_table *be_dai_name_table;
    char backend_dai_name[ST_BE_DAI_NAME_MAX_LENGTH];
    char snd_card_name[ST_SND_CARD_NAME_MAX_LENGTH];

    struct st_lpma_config lpma_cfg;
    struct listnode acdb_meta_key_list;

    char vendor_config_path[MIXER_PATH_MAX_LENGTH];
    char xml_file_path[MIXER_PATH_MAX_LENGTH];
};


/*
 * Function to retrieve vendor configs path
 *
 * If 'ro.boot.product.vendor.sku' is not set,files would be loaded from
 * /vendor/etc/. If the property is set, files would be loaded from
 * /vendor/etc/audio/sku_{ro.boot.product.vendor.sku}.
 * 'ro.boot.product.vendor.sku' would be set to SoC/SKU at boot up in vendor.
*/
static void platform_stdev_get_vendor_config_path(char* config_file_path, int path_size)
{
    char vendor_sku[PROPERTY_VALUE_MAX] = {'\0'};

    if (property_get("ro.boot.product.vendor.sku", vendor_sku, "") <= 0) {
#ifdef LINUX_ENABLED
        /* Audio configs are stored in /etc */
        snprintf(config_file_path, path_size, "%s", "/etc");
#else
        /* Audio configs are stored in /vendor/etc */
        snprintf(config_file_path, path_size, "%s", "/vendor/etc");
#endif
    } else {
        /* Audio configs are stored in /vendor/etc/audio/sku_${vendor_sku} */
        snprintf(config_file_path, path_size,"%s%s", "/vendor/etc/audio/sku_", vendor_sku);
    }
}

static void get_xml_file_path(char* path, const char* file_name, const char* vendor_path)
{
    snprintf(path, MIXER_PATH_MAX_LENGTH, "%s/%s", vendor_path, file_name);
}

static int load_soundmodel_lib(sound_trigger_device_t *stdev)
{
    int status = 0;

    stdev->smlib_handle = dlopen(LIB_SVA_SOUNDMODEL, RTLD_NOW);
    if (!stdev->smlib_handle) {
        ALOGE("%s: ERROR. %s", __func__, dlerror());
        return -ENODEV;
    }

    DLSYM(stdev->smlib_handle, stdev->smlib_getSoundModelHeader,
          getSoundModelHeader, status);
    if (status)
        goto cleanup;

    DLSYM(stdev->smlib_handle, stdev->smlib_releaseSoundModelHeader,
          releaseSoundModelHeader, status);
    if (status)
        goto cleanup;

    DLSYM(stdev->smlib_handle, stdev->smlib_getKeywordPhrases,
          getKeywordPhrases, status);
    if (status)
        goto cleanup;

    DLSYM(stdev->smlib_handle, stdev->smlib_getUserNames,
          getUserNames, status);
    if (status)
        goto cleanup;

    DLSYM(stdev->smlib_handle, stdev->smlib_getMergedModelSize,
          getMergedModelSize, status);
    if (status)
        goto cleanup;

    DLSYM(stdev->smlib_handle, stdev->smlib_mergeModels,
          mergeModels, status);
    if (status)
        goto cleanup;

    DLSYM(stdev->smlib_handle, stdev->smlib_getSizeAfterDeleting,
          getSizeAfterDeleting, status);
    if (status)
        goto cleanup;

    DLSYM(stdev->smlib_handle, stdev->smlib_deleteFromModel,
          deleteFromModel, status);
    if (status)
        goto cleanup;

    return 0;

cleanup:
    if (stdev->smlib_handle) {
        dlclose(stdev->smlib_handle);
        stdev->smlib_handle = NULL;
    }
    return status;
}

static int load_acdb(struct platform_data *my_data)
{
    int status = 0;

    my_data->acdb_handle = dlopen(LIB_ACDB_LOADER, RTLD_NOW);
    if (!my_data->acdb_handle) {
        ALOGE("%s: ERROR. %s", __func__, dlerror());
        return -ENODEV;
    }

    DLSYM(my_data->stdev->audio_hal_handle, my_data->audio_hw_acdb_init_v2,
          acdb_init_v2, status);
    if (status) {
        status = 0;
        DLSYM(my_data->stdev->audio_hal_handle, my_data->audio_hw_acdb_init,
              acdb_init, status);
        if (status) {
            status = 0;
            DLSYM(my_data->acdb_handle, my_data->acdb_init,
                  acdb_loader_init_v2, status);
            if (status)
                goto cleanup;
        }
    }

    DLSYM(my_data->acdb_handle, my_data->acdb_deinit,
          acdb_loader_deallocate_ACDB, status);
    if (status)
        goto cleanup;

    DLSYM(my_data->acdb_handle, my_data->acdb_send_device_cal_v1,
          acdb_loader_send_listen_device_cal_v1,
          status);
    if (status) {
        DLSYM(my_data->acdb_handle, my_data->acdb_send_device_cal,
              acdb_loader_send_listen_device_cal,
              status);
        if (status)
            goto cleanup;
    }

    DLSYM(my_data->acdb_handle, my_data->acdb_send_lsm_cal_v1,
          acdb_loader_send_listen_lsm_cal_v1, status);
    if (status) {
        DLSYM(my_data->acdb_handle, my_data->acdb_send_lsm_cal,
              acdb_loader_send_listen_lsm_cal, status);
        if (status)
            goto cleanup;
    }

    DLSYM(my_data->acdb_handle, my_data->acdb_get_cal,
          acdb_loader_get_calibration, status);
    if (status)
        goto cleanup;
    DLSYM(my_data->acdb_handle, my_data->acdb_get_audio_cal,
          acdb_loader_get_audio_cal_v2, status);
    if (status)
        goto cleanup;
    DLSYM(my_data->acdb_handle, my_data->acdb_send_common_custom_topology,
          acdb_loader_send_common_custom_topology, status);
    if (status)
        goto cleanup;

    return 0;

cleanup:
    if (my_data->acdb_handle) {
        dlclose(my_data->acdb_handle);
        my_data->acdb_handle = NULL;
    }
    return status;
}

static int load_mulaw_decoder(sound_trigger_device_t *stdev)
{
    int status = 0;

    stdev->mulaw_dec_lib_handle = dlopen(LIB_MULAW_DECODER, RTLD_NOW);
    if (!stdev->mulaw_dec_lib_handle) {
        ALOGE("%s: ERROR. %s", __func__, dlerror());
        return -ENODEV;
    }

    DLSYM(stdev->mulaw_dec_lib_handle, stdev->mulaw_dec_process,
          mulaw_dec_process, status);
    if (status) {
        dlclose(stdev->mulaw_dec_lib_handle);
        stdev->mulaw_dec_lib_handle = NULL;
    }
    return status;
}

static int platform_stdev_set_acdb_id(void *userdata __unused, const char* device, int acdb_id)
{
    int i, j;
    int ret = 0;
    int dev_idx = ST_DEVICE_NONE;

    if (device == NULL) {
       ALOGE("%s: device name is NULL", __func__);
       ret = -ENODEV;
       goto done;
    }

    for (i = 0; i < ST_EXEC_MODE_MAX; i++) {
        for (j = 0; j < ST_DEVICE_MAX; j++) {
           if (strcmp(st_device_name_idx[i][j].name, device) == 0) {
               dev_idx = st_device_name_idx[i][j].index;
               break;
           }
        }
        if (dev_idx != ST_DEVICE_NONE)
            break;
    }
    if (dev_idx == ST_DEVICE_NONE) {
       ALOGE("%s: Could not find index for device name = %s",
               __func__, device);
       ret = -ENODEV;
       goto done;
    }

    acdb_device_table[i][dev_idx] = acdb_id;

done:
    return ret;

}

static const char *get_snd_card_name_for_acdb_loader(const char *snd_card_name)
{
    const char *acdb_card_name = NULL;
    char *substring = NULL;
    char string[ST_MAX_SND_CARD_NAME_LENGTH] = {0};
    int length = 0;

    if (snd_card_name == NULL)
        return NULL;

    /* Both tasha & tasha-lite uses tasha ACDB files
       simulate sound card name for tasha lite, so that
       ACDB module loads tasha ACDB files for tasha lite */
    if ((substring = strstr(snd_card_name, "tashalite"))) {
        ALOGD("%s: using tasha ACDB files for tasha-lite", __func__);
        length = substring - snd_card_name + 1;
        snprintf(string, length, "%s", snd_card_name);
        strlcat(string, "tasha-snd-card", sizeof(string));
        acdb_card_name = strdup(string);
        return acdb_card_name;
    }
    acdb_card_name = strdup(snd_card_name);
    return acdb_card_name;
}

static void set_default_backend_type()
{
    int i, j;

    /* backend type can be overridden from platform XML file */
    for (i = 0; i < ST_EXEC_MODE_MAX; i++) {
        for (j = 0; j < ST_DEVICE_MAX; j++) {
            if (j == ST_DEVICE_NONE)
                st_device_backend_table[i][j] = strdup("NONE");
            else
                st_device_backend_table[i][j] = strdup("BACKEND_DEFAULT");
        }
    }
};

static int set_backend_type(void *userdata __unused, const char* device, char *type)
{
    int i, j;
    int ret = 0;
    int dev_idx = ST_DEVICE_NONE;

    if (device == NULL) {
       ALOGE("%s: device name is NULL", __func__);
       ret = -ENODEV;
       goto done;
    }

    for (i = 0; i < ST_EXEC_MODE_MAX; i++) {
        for (j = 0; j < ST_DEVICE_MAX; j++) {
           if (strcmp(st_device_name_idx[i][j].name, device) == 0) {
               dev_idx = st_device_name_idx[i][j].index;
               break;
           }
        }
        if (dev_idx != ST_DEVICE_NONE)
            break;
    }
    if (dev_idx == ST_DEVICE_NONE) {
       ALOGE("%s: Could not find index for device name = %s",
               __func__, device);
       ret = -ENODEV;
       goto done;
    }

    if (st_device_backend_table[i][dev_idx])
        free(st_device_backend_table[i][dev_idx]);

    st_device_backend_table[i][dev_idx] = strdup(type);

done:
    return ret;
}

static void platform_stdev_set_default_config(struct platform_data *platform)
{
    sound_trigger_device_t *stdev = platform->stdev;

    stdev->max_ape_sessions = 1;
    stdev->avail_ape_phrases = 0;
    stdev->avail_ape_users = 0;
    stdev->max_cpe_sessions = 1;
    stdev->max_wdsp_sessions = 1;
    stdev->avail_cpe_phrases  = 0;
    stdev->avail_cpe_users = 0;
    stdev->max_arm_sessions = 1;
    stdev->bg_kwd = false;
    stdev->rx_conc_max_st_ses = UINT_MAX;
    stdev->support_dev_switch = false;
    stdev->transit_to_adsp_on_playback = false;
    stdev->transit_to_adsp_on_battery_charging = false;
    stdev->transit_to_non_lpi_on_battery_charging = false;
    stdev->transit_wait_time = DEFAULT_TRANSIT_WAIT_TIME_SEC;
    stdev->ssr_offline_received = false;
    stdev->conc_capture_supported = false;
    stdev->conc_voice_call_supported = false;
    stdev->conc_voip_call_supported = false;
    stdev->dedicated_sva_path = false;
    stdev->dedicated_headset_path = true;
    stdev->disable_hwmad = false;
    stdev->platform_lpi_enable = ST_PLATFORM_LPI_NONE;
    stdev->screen_off = true;
    stdev->support_dynamic_ec_update = true;
    stdev->ec_reset_pending_cnt = 0;

    platform->bad_mic_channel_index = 0;
    platform->be_dai_name_table = NULL;
    platform->max_be_dai_names = 0;
    platform->lpma_cfg.num_bb_ids = 0;

    set_default_backend_type();
}

static int string_to_uuid(const char *str, sound_trigger_uuid_t *uuid)
{
    int tmp[10];

    if (str == NULL || uuid == NULL) {
        return -EINVAL;
    }

    if (sscanf(str, "%08x-%04x-%04x-%04x-%02x%02x%02x%02x%02x%02x",
            tmp, tmp + 1, tmp + 2, tmp + 3, tmp + 4, tmp + 5, tmp + 6,
            tmp + 7, tmp+ 8, tmp+ 9) < 10) {
        return -EINVAL;
    }
    uuid->timeLow = (uint32_t)tmp[0];
    uuid->timeMid = (uint16_t)tmp[1];
    uuid->timeHiAndVersion = (uint16_t)tmp[2];
    uuid->clockSeq = (uint16_t)tmp[3];
    uuid->node[0] = (uint8_t)tmp[4];
    uuid->node[1] = (uint8_t)tmp[5];
    uuid->node[2] = (uint8_t)tmp[6];
    uuid->node[3] = (uint8_t)tmp[7];
    uuid->node[4] = (uint8_t)tmp[8];
    uuid->node[5] = (uint8_t)tmp[9];

    return 0;
}

static int platform_stdev_set_module_param_ids
(
   struct st_module_param_info *mp_info,
   char *value,
   bool legacy_params
)
{
    char *id, *test_r;
    int ret = 0;

    id = strtok_r(value, ", ", &test_r);
    if (!id) {
        ALOGE("%s: incorrect module id", __func__);
        ret = -EINVAL;
        goto error_exit;
    }
    mp_info->module_id = strtoul(id, NULL, 16);

    id = strtok_r(NULL, ", ", &test_r);
    if (!id) {
        ALOGE("%s: incorrect %s", __func__,
            legacy_params ? "param id" : "instance id");
        ret = -EINVAL;
        goto error_exit;
    }
    if (legacy_params) {
        mp_info->instance_id = 0;
        mp_info->param_id = strtoul(id, NULL, 16);
    } else {
        mp_info->instance_id = strtoul(id, NULL, 16);

        id = strtok_r(NULL, ", ", &test_r);
        if (!id) {
            ALOGE("%s: incorrect param id", __func__);
            ret = -EINVAL;
            goto error_exit;
        }
        mp_info->param_id = strtoul(id, NULL, 16);
    }
    return 0;

error_exit:
    return ret;
}

static int acdb_device_to_id(const char* device)
{
    int i, j;
    int ret = 0;
    int dev_idx = ST_DEVICE_NONE;

    if (device == NULL) {
       ALOGE("%s: device name is NULL", __func__);
       ret = -ENODEV;
       goto done;
    }

    for (i = 0; i < ST_EXEC_MODE_MAX; i++) {
        for (j = 0; j < ST_DEVICE_MAX; j++) {
           if (strcmp(st_device_name_idx[i][j].name, device) == 0) {
               dev_idx = st_device_name_idx[i][j].index;
               break;
           }
        }
        if (dev_idx != ST_DEVICE_NONE)
            break;
    }
    if (dev_idx == ST_DEVICE_NONE) {
       ALOGE("%s: Could not find index for device name = %s",
               __func__, device);
       ret = -ENODEV;
       goto done;
    }

    ret = acdb_device_table[i][dev_idx];

done:
    return ret;
}

static int platform_stdev_set_gcs_usecase_acdb_ids
(
   unsigned int *acdb_ids,
   char *value
)
{
    char *device, *test_r = value;
    int ret = 0, num_ids = 0;

    while ((device = strtok_r(test_r, ", ", &test_r))) {
        if (num_ids < MAX_GCS_USECASE_ACDB_IDS) {
            acdb_ids[num_ids] = acdb_device_to_id(device);
            num_ids++;
        } else {
            ALOGE("%s: Exceeded max number of acdb ids", __func__);
            ret = -EINVAL;
        }
    }
    if (!num_ids) {
        ALOGE("%s: No valid acdb_ids", __func__);
        ret = -EINVAL;
    }

    return ret;
}

static int platform_stdev_set_capture_keyword_config
(
   struct st_vendor_info *sm_info,
   char *value
)
{
    char *id, *test_r;
    int ret = 0;

    id = strtok_r(value, ", ", &test_r);
    if (!id) {
        ALOGE("%s: Incorrect capture format", __func__);
        ret = -EINVAL;
        goto error_exit;
    }
    if (!strcmp(id, "MULAW_raw")) {
        sm_info->kw_capture_format |= MULAW_RAW;
    } else if (!strcmp(id, "PCM_packet")) {
        sm_info->kw_capture_format |= PCM_CUSTOM_PACKET;
    } else if (!strcmp(id, "PCM_raw")) {
        sm_info->kw_capture_format |= PCM_RAW;
    } else {
        ALOGE("%s: Unknown catpure format", __func__);
        ret = -EINVAL;
        goto error_exit;
    }

    id = strtok_r(NULL, ", ", &test_r);
    if (!id) {
        ALOGE("%s: Incorrect capture mode", __func__);
        ret = -EINVAL;
        goto error_exit;
    }
    if (!strcmp(id, "FTRT")) {
        sm_info->kw_transfer_mode = FTRT_TRANSFER_MODE;
    }
    else if (!strcmp(id, "RT")) {
        sm_info->kw_transfer_mode = RT_TRANSFER_MODE;
    }
    else {
        ALOGE("%s: Unknown catpure mode", __func__);
        ret = -EINVAL;
        goto error_exit;
    }

    id = strtok_r(NULL, ", ", &test_r);
    if (id)
        sm_info->kw_duration = atoi(id);

    return 0;

error_exit:
    return ret;
}

static int platform_set_common_config
(
   void *platform,
   struct str_parms *parms
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;
    char str_value[ST_MAX_STRING_PARAM_SIZE];
    int value, err;

    err = str_parms_get_int(parms, ST_PARAM_KEY_MAX_CPE_SESSIONS, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_MAX_CPE_SESSIONS);
        stdev->max_cpe_sessions = value;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_MAX_APE_SESSIONS, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_MAX_APE_SESSIONS);
        stdev->max_ape_sessions = value;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_MAX_WDSP_SESSIONS, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_MAX_WDSP_SESSIONS);
        stdev->max_wdsp_sessions = value;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_SW_MAD,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_SW_MAD);
        stdev->sw_mad = !strncasecmp(str_value, "true", 4) ? true : false;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_BG_KWD,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_BG_KWD);
        stdev->bg_kwd = !strncasecmp(str_value, "true", 4) ? true : false;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_ENABLE_FAILURE_DETECTION,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_ENABLE_FAILURE_DETECTION);
        stdev->detect_failure =
            !strncasecmp(str_value, "true", 4) ? true : false;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_RX_CONCURRENCY_DISABLED,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_RX_CONCURRENCY_DISABLED);
        stdev->rx_concurrency_disabled =
            !strncasecmp(str_value, "true", 4) ? true : false;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_RX_MAX_CONC_SESSIONS, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_RX_MAX_CONC_SESSIONS);
        stdev->rx_conc_max_st_ses = value;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_SUPPORT_DEVICE_SWITCH,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_SUPPORT_DEVICE_SWITCH);
        stdev->support_dev_switch =
            !strncasecmp(str_value, "true", 4) ? true : false;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_TRANSIT_TO_ADSP_ON_PLAYBACK,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_TRANSIT_TO_ADSP_ON_PLAYBACK);
        stdev->transit_to_adsp_on_playback =
            !strncasecmp(str_value, "true", 4) ? true : false;
    }

    err = str_parms_get_str(parms,
                            ST_PARAM_KEY_TRANSIT_TO_ADSP_ON_BATTERY_CHARGING,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_TRANSIT_TO_ADSP_ON_BATTERY_CHARGING);
        stdev->transit_to_adsp_on_battery_charging =
            !strncasecmp(str_value, "true", 4) ? true : false;
    }

    err = str_parms_get_str(parms,
                            ST_PARAM_KEY_TRANSIT_TO_NON_LPI_ON_BATTERY_CHARGING,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms,
            ST_PARAM_KEY_TRANSIT_TO_NON_LPI_ON_BATTERY_CHARGING);
        stdev->transit_to_non_lpi_on_battery_charging =
            !strncasecmp(str_value, "true", 4) ? true : false;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_PLATFORM_LPI_ENABLE, str_value,
                            sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_PLATFORM_LPI_ENABLE);
        stdev->platform_lpi_enable =
            !strncasecmp(str_value, "true", 4) ? ST_PLATFORM_LPI_ENABLE :
            ST_PLATFORM_LPI_DISABLE;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_SUPPORT_BARGE_IN_MODE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_SUPPORT_BARGE_IN_MODE);
        stdev->support_barge_in_mode =
            !strncasecmp(str_value, "true", 4) ? true : false;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_TRANSIT_WAIT_TIME, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_TRANSIT_WAIT_TIME);
        stdev->transit_wait_time = value;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_BACKEND_PORT_NAME,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_BACKEND_PORT_NAME);
        strlcpy(my_data->backend_port,
                str_value, sizeof(my_data->backend_port));
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_BACKEND_DAI_NAME,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_BACKEND_DAI_NAME);
        strlcpy(my_data->backend_dai_name,
                str_value, sizeof(my_data->backend_dai_name));
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_IMPLEMENTER_UUID,
        str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_IMPLEMENTER_UUID);
        if (string_to_uuid(str_value, &stdev->hw_properties->uuid) < 0) {
           ALOGE("%s: string_to_uuid failed", __func__);
           return -EINVAL;
        }
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_IMPLEMENTER_VERSION,
        str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_IMPLEMENTER_VERSION);
        stdev->hw_properties->version = strtoul(str_value, NULL, 16);
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_SND_CARD_NAME,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_SND_CARD_NAME);
        strlcpy(my_data->snd_card_name,
                str_value, sizeof(my_data->snd_card_name));
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_CONCURRENT_CAPTURE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_CONCURRENT_CAPTURE);
        stdev->conc_capture_supported =
            !strncasecmp(str_value, "true", 4) ? true : false;
    }

    if (stdev->conc_capture_supported) {
        err = str_parms_get_str(parms, ST_PARAM_KEY_CONCURRENT_VOICE_CALL,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_CONCURRENT_VOICE_CALL);
            stdev->conc_voice_call_supported =
                !strncasecmp(str_value, "true", 4) ? true : false;
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_CONCURRENT_VOIP_CALL,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_CONCURRENT_VOIP_CALL);
            stdev->conc_voip_call_supported =
                !strncasecmp(str_value, "true", 4) ? true : false;
        }
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_DEDICATED_SVA_PATH,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEDICATED_SVA_PATH);
        stdev->dedicated_sva_path =
            !strncasecmp(str_value, "true", 4) ? true : false;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_DEDICATED_HEADSET_PATH,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEDICATED_HEADSET_PATH);
        stdev->dedicated_headset_path =
            !strncasecmp(str_value, "true", 4) ? true : false;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_ENABLE_DEBUG_DUMPS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_ENABLE_DEBUG_DUMPS);
        stdev->enable_debug_dumps =
            !strncasecmp(str_value, "true", 4) ? true : false;
    }

    return 0;
}

static int platform_set_acdb_ids
(
   void *platform,
   struct str_parms *parms
)
{
    int ret = 0, value, err;

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HANDSET_CPE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_CPE);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HANDSET_CPE, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HANDSET_CPE_ECPP, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_CPE_ECPP);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HANDSET_CPE_ECPP, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HANDSET_DMIC_CPE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_DMIC_CPE);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HANDSET_DMIC_CPE, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HANDSET_TMIC_CPE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_TMIC_CPE);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HANDSET_TMIC_CPE, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HANDSET_QMIC_CPE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_QMIC_CPE);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HANDSET_QMIC_CPE, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HANDSET_APE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_APE);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HANDSET_APE, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HEADSET_APE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HEADSET_APE);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HEADSET_APE, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HANDSET_DMIC_APE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_DMIC_APE);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HANDSET_DMIC_APE, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HANDSET_TMIC_APE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_TMIC_APE);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HANDSET_TMIC_APE, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HANDSET_QMIC_APE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_QMIC_APE);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HANDSET_QMIC_APE, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HANDSET_6MIC_APE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_6MIC_APE);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HANDSET_6MIC_APE, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HANDSET_8MIC_APE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_8MIC_APE);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HANDSET_8MIC_APE, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HEADSET_CPE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HEADSET_CPE);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HEADSET_CPE, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HANDSET_APE_PP, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_APE_PP);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HANDSET_APE_PP, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HANDSET_QMIC_ARM, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_QMIC_ARM);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HANDSET_QMIC_ARM, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HANDSET_6MIC_ARM, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_6MIC_ARM);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HANDSET_6MIC_ARM, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HANDSET_8MIC_ARM, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_8MIC_ARM);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HANDSET_8MIC_ARM, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HANDSET_DMIC_LPI_APE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_DMIC_LPI_APE);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HANDSET_DMIC_LPI_APE, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HANDSET_TMIC_LPI_APE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_TMIC_LPI_APE);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HANDSET_TMIC_LPI_APE, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HANDSET_QMIC_LPI_APE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_QMIC_LPI_APE);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HANDSET_QMIC_LPI_APE, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HANDSET_6MIC_LPI_APE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_6MIC_LPI_APE);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HANDSET_6MIC_LPI_APE, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HANDSET_8MIC_LPI_APE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_8MIC_LPI_APE);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HANDSET_8MIC_LPI_APE, value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DEVICE_HEADSET_LPI_APE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HEADSET_LPI_APE);
        ret = platform_stdev_set_acdb_id(platform, ST_PARAM_KEY_DEVICE_HEADSET_LPI_APE, value);
        if (ret)
            goto exit;
    }

exit:
    return ret;
}

static int platform_stdev_process_backend_type
(
   void *platform,
   struct str_parms *parms
)
{
    int ret = 0, err;
    char *kv_pairs = str_parms_to_str(parms);
    char str_value[ST_MAX_STRING_PARAM_SIZE];

    if (!kv_pairs) {
        ALOGE("%s: key-value pair is NULL",__func__);
        return -EINVAL;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_DEVICE_HANDSET_CPE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_CPE);
        ret = set_backend_type(platform, ST_PARAM_KEY_DEVICE_HANDSET_CPE, str_value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_DEVICE_HANDSET_CPE_ECPP,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_CPE_ECPP);
        ret = set_backend_type(platform, ST_PARAM_KEY_DEVICE_HANDSET_CPE_ECPP, str_value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_DEVICE_HANDSET_DMIC_CPE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_DMIC_CPE);
        ret = set_backend_type(platform, ST_PARAM_KEY_DEVICE_HANDSET_DMIC_CPE, str_value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_DEVICE_HANDSET_TMIC_CPE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_TMIC_CPE);
        ret = set_backend_type(platform, ST_PARAM_KEY_DEVICE_HANDSET_TMIC_CPE, str_value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_DEVICE_HANDSET_QMIC_CPE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_QMIC_CPE);
        ret = set_backend_type(platform, ST_PARAM_KEY_DEVICE_HANDSET_QMIC_CPE, str_value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_DEVICE_HANDSET_APE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_APE);
        ret = set_backend_type(platform, ST_PARAM_KEY_DEVICE_HANDSET_APE, str_value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_DEVICE_HEADSET_APE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HEADSET_APE);
        ret = set_backend_type(platform, ST_PARAM_KEY_DEVICE_HEADSET_APE, str_value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_DEVICE_HANDSET_DMIC_APE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_DMIC_APE);
        ret = set_backend_type(platform, ST_PARAM_KEY_DEVICE_HANDSET_DMIC_APE, str_value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_DEVICE_HANDSET_TMIC_APE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_TMIC_APE);
        ret = set_backend_type(platform, ST_PARAM_KEY_DEVICE_HANDSET_TMIC_APE, str_value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_DEVICE_HANDSET_QMIC_APE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HANDSET_QMIC_APE);
        ret = set_backend_type(platform, ST_PARAM_KEY_DEVICE_HANDSET_QMIC_APE, str_value);
        if (ret)
            goto exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_DEVICE_HEADSET_CPE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DEVICE_HEADSET_CPE);
        ret = set_backend_type(platform, ST_PARAM_KEY_DEVICE_HEADSET_CPE, str_value);
        if (ret)
            goto exit;
    }

exit:
    free(kv_pairs);
    return ret;
}

static int string_to_profile_type(const char *str, st_profile_type_t *type)
{
    int ret = 0;

    if (!strncmp(str, "NONE", sizeof("NONE"))) {
        *type = ST_PROFILE_TYPE_NONE;
    } else if (!strncmp(str, "DEFAULT", sizeof("DEFAULT"))) {
        *type = ST_PROFILE_TYPE_DEFAULT;
    } else if (!strncmp(str, "EC", sizeof("EC"))) {
        *type = ST_PROFILE_TYPE_EC;
    } else if (!strncmp(str, "UNPROCESSED", sizeof("UNPROCESSED"))) {
        *type = ST_PROFILE_TYPE_UNPROCESSED;
    } else if (!strncmp(str, "FLUENCE", sizeof("FLUENCE"))) {
        *type = ST_PROFILE_TYPE_FLUENCE;
    } else if (!strncmp(str, "FLUENCE_STEREO", sizeof("FLUENCE_STEREO"))) {
        *type = ST_PROFILE_TYPE_FLUENCE_STEREO;
    } else if (!strncmp(str, "FFECNS", sizeof("FFECNS"))) {
        *type = ST_PROFILE_TYPE_FFECNS;
    } else {
        ALOGE("unknown profile string %s", str);
        ret = -EINVAL;
    }

    return ret;
}

static audio_devices_t string_to_capture_device
(
   const char *str,
   audio_devices_t *device
)
{
    int ret = 0;

    if (!strncmp(str, "HANDSET", sizeof("HANDSET"))) {
        *device = AUDIO_DEVICE_IN_BUILTIN_MIC;
    } else if (!strncmp(str, "HEADSET", sizeof("HEADSET"))) {
        *device = AUDIO_DEVICE_IN_WIRED_HEADSET;
    } else {
        ALOGE("unknown capture device %s", str);
        ret = -EINVAL;
    }

    return ret;
}

static int string_to_fluence_type(const char *str, st_fluence_type_t *type)
{
    int ret = 0;

    if (!strncmp(str, "NONE", sizeof("NONE"))) {
        *type = ST_FLUENCE_TYPE_NONE;
    } else if (!strncmp(str, "FLUENCE", sizeof("FLUENCE")) ||
               !strncmp(str, "FLUENCE_MIC", sizeof("FLUENCE_MIC"))) {
        *type = ST_FLUENCE_TYPE_MONO;
    } else if (!strncmp(str, "FLUENCE_DMIC", sizeof("FLUENCE_DMIC"))) {
        *type = ST_FLUENCE_TYPE_DMIC;
    } else if (!strncmp(str, "FLUENCE_TMIC", sizeof("FLUENCE_TMIC"))) {
        *type = ST_FLUENCE_TYPE_TMIC;
    } else if (!strncmp(str, "FLUENCE_QMIC", sizeof("FLUENCE_QMIC"))) {
        *type = ST_FLUENCE_TYPE_QMIC;
    } else if (!strncmp(str, "FLUENCE_6MIC", sizeof("FLUENCE_6MIC"))) {
        *type = ST_FLUENCE_TYPE_6MIC;
    } else if (!strncmp(str, "FLUENCE_8MIC", sizeof("FLUENCE_8MIC"))) {
        *type = ST_FLUENCE_TYPE_8MIC;
    } else {
        ALOGE("unknown fluence string %s", str);
        ret = -EINVAL;
    }

    return ret;
}

static int get_channel_cnt_from_fluence_type(st_fluence_type_t type)
{
    int channel_cnt = 0;

    switch (type) {
    case ST_FLUENCE_TYPE_NONE:
    case ST_FLUENCE_TYPE_MONO:
        channel_cnt = 1;
        break;
    case ST_FLUENCE_TYPE_DMIC:
        channel_cnt = 2;
        break;
    case ST_FLUENCE_TYPE_TMIC:
        channel_cnt = 3;
        break;
    case ST_FLUENCE_TYPE_QMIC:
        channel_cnt = 4;
        break;
    case ST_FLUENCE_TYPE_6MIC:
        channel_cnt = 6;
        break;
    case ST_FLUENCE_TYPE_8MIC:
        channel_cnt = 8;
        break;
    default:
        ALOGE("%s: Invalid fluence type", __func__);
    }

    return channel_cnt;
}

static int platform_stdev_set_ss_params
(
   void *platform,
   struct str_parms *parms
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    struct st_arm_ss_params *arm_params = NULL;
    struct st_lsm_ss_params *lsm_params = NULL;
    struct st_second_stage_info *common_params = NULL;
    char str_value[128];
    char *kv_pairs = str_parms_to_str(parms);
    int ret = 0, err, value;
    struct listnode *sm_info_node = NULL;
    struct st_vendor_info *sm_info = NULL;

    if (kv_pairs == NULL) {
        ALOGE("%s: key-value pair is NULL", __func__);
        return -EINVAL;
    }
    ALOGV("%s: %s", __func__, kv_pairs);

    if (my_data->st_xml_tag == TAG_ARM_SS_USECASE) {
        arm_params = calloc(1, sizeof(*arm_params));
        if (!arm_params) {
            ALOGE("%s: arm_params allocation failed", __func__);
            ret = -ENOMEM;
            goto err_exit;
        }
        common_params = &arm_params->common_params;
    } else if (my_data->st_xml_tag == TAG_LSM_SS_USECASE) {
        lsm_params = calloc(1, sizeof(*lsm_params));
        if (!lsm_params) {
            ALOGE("%s: lsm_params allocation failed", __func__);
            ret = -ENOMEM;
            goto err_exit;
        }
        common_params = &lsm_params->common_params;
    } else {
        ALOGE("%s: Unexpected XML Tag, exiting", __func__);
        ret = -EINVAL;
        goto err_exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_SS_SM_TYPE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_SS_SM_TYPE);
        if (!strncmp(str_value, "KEYWORD_DETECTION", sizeof("KEYWORD_DETECTION"))) {
            common_params->sm_detection_type = ST_SM_TYPE_KEYWORD_DETECTION;
        } else if (!strncmp(str_value, "USER_VERIFICATION", sizeof("USER_VERIFICATION"))) {
            common_params->sm_detection_type = ST_SM_TYPE_USER_VERIFICATION;
        } else if (!strncmp(str_value, "CUSTOM_DETECTION", sizeof("CUSTOM_DETECTION"))) {
            common_params->sm_detection_type = ST_SM_TYPE_CUSTOM_DETECTION;
        } else {
            ALOGE("%s: invalid sm type: %s", __func__, str_value);
        }
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_SS_SM_ID,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_SS_SM_ID);
        common_params->sm_id = strtoul(str_value, NULL, 16);
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_SS_LIB,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_SS_LIB);
        strlcpy(common_params->lib_name, str_value, sizeof(common_params->lib_name));
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_SAMPLE_RATE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_SAMPLE_RATE);
        common_params->sample_rate = value;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_BIT_WIDTH, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_BIT_WIDTH);
        common_params->bit_width = value;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_CHANNEL_COUNT, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_CHANNEL_COUNT);
        common_params->channel_count = value;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_SS_DATA_BEFORE_KW_START, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_SS_DATA_BEFORE_KW_START);
        common_params->data_before_kw_start = value;
    } else {
        common_params->data_before_kw_start = VOP_DATA_BEFORE_TRUE_KW_START_MS;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_SS_DATA_AFTER_KW_END, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_SS_DATA_AFTER_KW_END);
        common_params->data_after_kw_end = value;
    } else {
        common_params->data_after_kw_end = CNN_DATA_AFTER_TRUE_KW_END_MS;
    }

    if (my_data->st_xml_tag == TAG_LSM_SS_USECASE) {
        err = str_parms_get_str(parms, ST_PARAM_KEY_LOAD_SOUND_MODEL_IDS,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_LOAD_SOUND_MODEL_IDS);
            ret = platform_stdev_set_module_param_ids(&lsm_params->params[LOAD_SOUND_MODEL],
                                                      str_value, false);
            if (ret)
                goto err_exit;
            lsm_params->param_tag_tracker |= PARAM_LOAD_SOUND_MODEL_BIT;
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_UNLOAD_SOUND_MODEL_IDS,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_UNLOAD_SOUND_MODEL_IDS);
            ret = platform_stdev_set_module_param_ids(&lsm_params->params[UNLOAD_SOUND_MODEL],
                                                      str_value, false);
            if (ret)
                goto err_exit;
            lsm_params->param_tag_tracker |= PARAM_UNLOAD_SOUND_MODEL_BIT;
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_CONFIDENCE_LEVELS_IDS,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_CONFIDENCE_LEVELS_IDS);
            ret = platform_stdev_set_module_param_ids(&lsm_params->params[CONFIDENCE_LEVELS],
                                                      str_value, false);
            if (ret)
                goto err_exit;
            lsm_params->param_tag_tracker |= PARAM_CONFIDENCE_LEVELS_BIT;;
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_OPERATION_MODE_IDS,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_OPERATION_MODE_IDS);
            ret = platform_stdev_set_module_param_ids(&lsm_params->params[OPERATION_MODE],
                                                      str_value, false);
            if (ret)
                goto err_exit;
            lsm_params->param_tag_tracker |= PARAM_OPERATION_MODE_BIT;
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_POLLING_ENABLE_IDS,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_POLLING_ENABLE_IDS);
            ret = platform_stdev_set_module_param_ids(&lsm_params->params[POLLING_ENABLE],
                                                      str_value, false);
            if (ret)
                goto err_exit;
            lsm_params->param_tag_tracker |= PARAM_POLLING_ENABLE_BIT;
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_CUSTOM_CONFIG_IDS,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_CUSTOM_CONFIG_IDS);
            ret = platform_stdev_set_module_param_ids(&lsm_params->params[CUSTOM_CONFIG],
                                                      str_value, false);
            if (ret)
                goto err_exit;
            lsm_params->param_tag_tracker |= PARAM_CUSTOM_CONFIG_BIT;
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_DETECTION_EVENT_IDS,
                            str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_DETECTION_EVENT_IDS);
            ret = platform_stdev_set_module_param_ids(&lsm_params->params[DETECTION_EVENT],
                                                      str_value, false);
            if (ret)
                goto err_exit;
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_DET_EVENT_TYPE_IDS,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_DET_EVENT_TYPE_IDS);
            ret = platform_stdev_set_module_param_ids(&lsm_params->params[DET_EVENT_TYPE],
                                                  str_value, false);
            if (ret)
                goto err_exit;
            lsm_params->param_tag_tracker |= PARAM_DET_EVENT_TYPE_BIT;
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_LAB_CONTROL_IDS,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_LAB_CONTROL_IDS);
            ret = platform_stdev_set_module_param_ids(&lsm_params->params[LAB_CONTROL],
                                                      str_value, false);
            if (ret)
                goto err_exit;
            lsm_params->param_tag_tracker |= PARAM_LAB_CONTROL_BIT;
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_APP_TYPE,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_APP_TYPE);
            lsm_params->app_type = strtoul(str_value, NULL, 16);
        }
    }

    /* store in vendor_info */
    sm_info_node = list_tail(&my_data->stdev->vendor_uuid_list);
    if (sm_info_node) {
        sm_info = node_to_item(sm_info_node, struct st_vendor_info, list_node);
        if (my_data->st_xml_tag == TAG_ARM_SS_USECASE)
            list_add_tail(&sm_info->arm_ss_usecase_list, &arm_params->list_node);
        else if (my_data->st_xml_tag == TAG_LSM_SS_USECASE)
            list_add_tail(&sm_info->lsm_ss_usecase_list, &lsm_params->list_node);
    } else {
        ALOGE("%s: found NULL sm_info", __func__);
        ret = -EINVAL;
        goto err_exit;
    }

    free(kv_pairs);
    return 0;

err_exit:
    if (arm_params)
        free(arm_params);
    if (lsm_params)
        free(lsm_params);
    free(kv_pairs);
    return ret;
}

static int platform_stdev_set_gcs_params
(
   void *platform,
   struct str_parms *parms
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    struct st_gcs_params *gcs_params;
    char str_value[ST_MAX_STRING_PARAM_SIZE];
    char *kv_pairs = str_parms_to_str(parms);
    int ret = 0, err;
    struct listnode *sm_info_node = NULL;
    struct st_vendor_info *sm_info = NULL;

    if (kv_pairs == NULL) {
        ALOGE("%s: key-value pair is NULL", __func__);
        return -EINVAL;
    }

    gcs_params = calloc(1, sizeof(*gcs_params));
    if (!gcs_params) {
        ALOGE("%s: new_params allcoation failed", __func__);
        ret = -ENOMEM;
        goto err_exit;
    }

    /* populate new params */
    err = str_parms_get_str(parms, ST_PARAM_KEY_UID,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_UID);
        gcs_params->uid = strtoul(str_value, NULL, 16);
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_ACDB_DEVICES,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_ACDB_DEVICES);
        ret = platform_stdev_set_gcs_usecase_acdb_ids(gcs_params->acdb_ids, str_value);
        if (ret)
            goto err_exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_LOAD_SOUND_MODEL_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_LOAD_SOUND_MODEL_IDS);
        ret = platform_stdev_set_module_param_ids(&gcs_params->params[LOAD_SOUND_MODEL],
            str_value, false);
        if (ret)
            goto err_exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_UNLOAD_SOUND_MODEL_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_UNLOAD_SOUND_MODEL_IDS);
        ret = platform_stdev_set_module_param_ids(&gcs_params->params[UNLOAD_SOUND_MODEL],
            str_value, false);
        if (ret)
            goto err_exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_CONFIDENCE_LEVELS_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_CONFIDENCE_LEVELS_IDS);
        ret = platform_stdev_set_module_param_ids(&gcs_params->params[CONFIDENCE_LEVELS],
            str_value, false);
        if (ret)
            goto err_exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_OPERATION_MODE_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_OPERATION_MODE_IDS);
        ret = platform_stdev_set_module_param_ids(&gcs_params->params[OPERATION_MODE],
            str_value, false);
        if (ret)
            goto err_exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_DETECTION_EVENT_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DETECTION_EVENT_IDS);
        ret = platform_stdev_set_module_param_ids(&gcs_params->params[DETECTION_EVENT],
            str_value, false);
        if (ret)
            goto err_exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_READ_REQ_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_READ_REQ_IDS);
        ret = platform_stdev_set_module_param_ids(&gcs_params->params[READ_REQ],
            str_value, false);
        if (ret)
            goto err_exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_READ_RSP_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_READ_RSP_IDS);
        ret = platform_stdev_set_module_param_ids(&gcs_params->params[READ_RSP],
            str_value, false);
        if (ret)
            goto err_exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_CUSTOM_CONFIG_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_CUSTOM_CONFIG_IDS);
        ret = platform_stdev_set_module_param_ids(&gcs_params->params[CUSTOM_CONFIG],
            str_value, false);
        if (ret)
            goto err_exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_DET_EVENT_TYPE_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DET_EVENT_TYPE_IDS);
        ret = platform_stdev_set_module_param_ids(&gcs_params->params[DET_EVENT_TYPE],
            str_value, false);
        if (ret)
            goto err_exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_START_ENGINE_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_START_ENGINE_IDS);
        ret = platform_stdev_set_module_param_ids(&gcs_params->params[START_ENGINE],
            str_value, false);
        if (ret)
            goto err_exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_RESTART_ENGINE_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_RESTART_ENGINE_IDS);
        ret = platform_stdev_set_module_param_ids(&gcs_params->params[RESTART_ENGINE],
            str_value, false);
        if (ret)
            goto err_exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_REQUEST_DETECTION_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_REQUEST_DETECTION_IDS);
        ret = platform_stdev_set_module_param_ids(&gcs_params->params[REQUEST_DETECTION],
            str_value, false);
        if (ret)
            goto err_exit;
    }

    /* store in vendor_info */
    sm_info_node = list_tail(&my_data->stdev->vendor_uuid_list);
    if (sm_info_node) {
        sm_info = node_to_item(sm_info_node, struct st_vendor_info, list_node);
        list_add_tail(&sm_info->gcs_usecase_list, &gcs_params->list_node);
    } else {
        ALOGE("%s: found NULL sm_info", __func__);
        ret = -EINVAL;
        goto err_exit;
    }
    free(kv_pairs);
    return 0;

err_exit:
    if (gcs_params)
        free(gcs_params);
    free(kv_pairs);
    return ret;
}

static int platform_stdev_set_module_params
(
   void *platform,
   struct str_parms *parms
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    char str_value[ST_MAX_STRING_PARAM_SIZE];
    char *kv_pairs = str_parms_to_str(parms);
    int ret = 0, err = 0;
    struct listnode *sm_info_node = NULL, *lsm_params_node = NULL;
    struct st_vendor_info *sm_info = NULL;
    struct st_lsm_params *lsm_params = NULL;
    struct st_module_params *module_params = NULL;

    if (kv_pairs == NULL) {
        ALOGE("%s: key-value pair is NULL", __func__);
        return -EINVAL;
    }
    ALOGV("%s: %s", __func__, kv_pairs);

    if (my_data->xml_version < PLATFORM_XML_VERSION_0x0106) {
        ALOGE("%s: Unexpected platform xml version 0x%x, exiting", __func__,
            my_data->xml_version);
        return -EINVAL;
    }

    /* Get the last added vendor_info node */
    sm_info_node = list_tail(&my_data->stdev->vendor_uuid_list);
    if (sm_info_node) {
        sm_info = node_to_item(sm_info_node, struct st_vendor_info, list_node);
    } else {
        ALOGE("%s: found NULL sm_info", __func__);
        ret = -EINVAL;
        goto err_exit;
    }

    /* Get the last added lsm_params node */
    lsm_params_node = list_tail(&sm_info->lsm_usecase_list);
    if (lsm_params_node) {
        lsm_params = node_to_item(lsm_params_node, struct st_lsm_params,
            list_node);
    } else {
        ALOGE("%s: found NULL lsm_params", __func__);
        ret = -EINVAL;
        goto err_exit;
    }

    module_params = calloc(1, sizeof(struct st_module_params));
    if (!module_params) {
        ALOGE("%s: module_params allocation failed", __func__);
        ret = -ENOMEM;
        goto err_exit;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_MODULE_TYPE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_MODULE_TYPE);
        if (!strncmp(str_value, "GMM", sizeof("GMM")))
            module_params->type = ST_MODULE_TYPE_GMM;
        else if (!strncmp(str_value, "PDK5", sizeof("PDK5")))
            module_params->type = ST_MODULE_TYPE_PDK5;
        else {
            ALOGE("%s: Unknown module type, exiting", __func__);
            ret = -EINVAL;
            goto err_exit;
        }
    } else {
        module_params->type = ST_MODULE_TYPE_GMM;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_LOAD_SOUND_MODEL_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_LOAD_SOUND_MODEL_IDS);
        ret = platform_stdev_set_module_param_ids(
            &module_params->params[LOAD_SOUND_MODEL], str_value, false);
        if (ret)
            goto err_exit;
        module_params->param_tag_tracker |= PARAM_LOAD_SOUND_MODEL_BIT;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_UNLOAD_SOUND_MODEL_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_UNLOAD_SOUND_MODEL_IDS);
        ret = platform_stdev_set_module_param_ids(
            &module_params->params[UNLOAD_SOUND_MODEL], str_value, false);
        if (ret)
            goto err_exit;
        module_params->param_tag_tracker |= PARAM_UNLOAD_SOUND_MODEL_BIT;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_REQUEST_DETECTION_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_REQUEST_DETECTION_IDS);
        ret = platform_stdev_set_module_param_ids(
            &module_params->params[REQUEST_DETECTION], str_value, false);
        if (ret)
            goto err_exit;
        module_params->param_tag_tracker |= PARAM_REQUEST_DETECTION_BIT;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_LAB_DAM_CFG_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_LAB_DAM_CFG_IDS);
        ret = platform_stdev_set_module_param_ids(
            &module_params->params[LAB_DAM_CFG], str_value, false);
        if (ret)
            goto err_exit;
        module_params->param_tag_tracker |= PARAM_LAB_DAM_CFG_BIT;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_CONFIDENCE_LEVELS_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_CONFIDENCE_LEVELS_IDS);
        ret = platform_stdev_set_module_param_ids(
            &module_params->params[CONFIDENCE_LEVELS], str_value, false);
        if (ret)
            goto err_exit;
        module_params->param_tag_tracker |= PARAM_CONFIDENCE_LEVELS_BIT;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_OPERATION_MODE_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_OPERATION_MODE_IDS);
        ret = platform_stdev_set_module_param_ids(
            &module_params->params[OPERATION_MODE], str_value, false);
        if (ret)
            goto err_exit;
        module_params->param_tag_tracker |= PARAM_OPERATION_MODE_BIT;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_POLLING_ENABLE_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_POLLING_ENABLE_IDS);
        ret = platform_stdev_set_module_param_ids(
            &module_params->params[POLLING_ENABLE], str_value, false);
        if (ret)
            goto err_exit;
        module_params->param_tag_tracker |= PARAM_POLLING_ENABLE_BIT;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_CUSTOM_CONFIG_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_CUSTOM_CONFIG_IDS);
        ret = platform_stdev_set_module_param_ids(
            &module_params->params[CUSTOM_CONFIG], str_value, false);
        if (ret)
            goto err_exit;
        module_params->param_tag_tracker |= PARAM_CUSTOM_CONFIG_BIT;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_DET_EVENT_TYPE_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DET_EVENT_TYPE_IDS);
        ret = platform_stdev_set_module_param_ids(
            &module_params->params[DET_EVENT_TYPE], str_value, false);
        if (ret)
            goto err_exit;
        module_params->param_tag_tracker |= PARAM_DET_EVENT_TYPE_BIT;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_LAB_CONTROL_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_LAB_CONTROL_IDS);
        ret = platform_stdev_set_module_param_ids(
            &module_params->params[LAB_CONTROL], str_value, false);
        if (ret)
            goto err_exit;
        module_params->param_tag_tracker |= PARAM_LAB_CONTROL_BIT;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_VERSION_ID,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_VERSION_ID);
        ret = platform_stdev_set_module_param_ids(
              &module_params->params[VERSION_ID], str_value, false);
        if (ret)
            goto err_exit;
    }

    list_add_tail(&lsm_params->module_params_list,
        &module_params->list_node);
    free(kv_pairs);
    return 0;

err_exit:
    if (module_params)
        free(module_params);
    free(kv_pairs);
    return ret;
}

static int platform_stdev_set_lsm_params
(
   void *platform,
   struct str_parms *parms
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    char str_value[ST_MAX_STRING_PARAM_SIZE];
    char *kv_pairs = str_parms_to_str(parms);
    int ret = 0, err = 0, value = 0;
    struct listnode *sm_info_node = NULL, *module_node = NULL;
    struct listnode *tmp_node = NULL, *lsm_params_node = NULL;
    struct st_vendor_info *sm_info = NULL;
    struct st_lsm_params *lsm_params = NULL;
    struct st_module_params *module_params = NULL;
    st_exec_mode_t exec_mode = ST_EXEC_MODE_NONE;
    bool is_legacy_params = true;
    bool is_legacy_version = true;

    if (kv_pairs == NULL) {
        ALOGE("%s: key-value pair is NULL", __func__);
        return -EINVAL;
    }
    ALOGV("%s: %s", __func__, kv_pairs);

    /* Get the last added vendor_info node */
    sm_info_node = list_tail(&my_data->stdev->vendor_uuid_list);
    if (sm_info_node)
        sm_info = node_to_item(sm_info_node, struct st_vendor_info, list_node);

    if (!sm_info) {
        ALOGE("%s: found NULL sm_info", __func__);
        free(kv_pairs);
        return -EINVAL;
    }

    /* Get the last added lsm_params node */
    lsm_params_node = list_tail(&sm_info->lsm_usecase_list);
    if (lsm_params_node)
        lsm_params = node_to_item(lsm_params_node, struct st_lsm_params, list_node);

    if (!lsm_params) {
        ALOGE("%s: found NULL lsm_params", __func__);
        free(kv_pairs);
        return -EINVAL;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_EXECUTION_MODE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_EXECUTION_MODE);
        if (!strcmp(str_value, "WDSP"))
            exec_mode = ST_EXEC_MODE_CPE;
        else if (!strcmp(str_value, "ADSP"))
            exec_mode = ST_EXEC_MODE_ADSP;
        else
            ALOGE("%s: Invalid execution mode set %s", __func__, str_value);
    }

    if ((exec_mode <= ST_EXEC_MODE_NONE) ||
        (exec_mode >= ST_EXEC_MODE_MAX)) {
        ALOGE("%s: Invalid execution mode %x", __func__, exec_mode);
        goto err_exit;
    }

    lsm_params->exec_mode = exec_mode;
    /* xml version 0x0104 onwards is having instance id support for LSM usecase as well */
    if (my_data->xml_version > PLATFORM_XML_VERSION_0x0103)
        is_legacy_params = false;
    if (my_data->xml_version > PLATFORM_XML_VERSION_0x0102)
        is_legacy_version = false;

    ALOGV("%s: Process params for exec mode %x", __func__, exec_mode);

    if (my_data->xml_version <= PLATFORM_XML_VERSION_0x0105) {
        err = str_parms_get_str(parms, ST_PARAM_KEY_LOAD_SOUND_MODEL_IDS,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_LOAD_SOUND_MODEL_IDS);
            ret = platform_stdev_set_module_param_ids(
                &lsm_params->params[LOAD_SOUND_MODEL], str_value, is_legacy_params);
            if (ret)
                goto err_exit;
            lsm_params->param_tag_tracker |= PARAM_LOAD_SOUND_MODEL_BIT;
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_UNLOAD_SOUND_MODEL_IDS,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_UNLOAD_SOUND_MODEL_IDS);
            ret = platform_stdev_set_module_param_ids(
                &lsm_params->params[UNLOAD_SOUND_MODEL], str_value, is_legacy_params);
            if (ret)
                goto err_exit;
            lsm_params->param_tag_tracker |= PARAM_UNLOAD_SOUND_MODEL_BIT;
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_REQUEST_DETECTION_IDS,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_REQUEST_DETECTION_IDS);
            ret = platform_stdev_set_module_param_ids(
                &lsm_params->params[REQUEST_DETECTION], str_value, is_legacy_params);
            if (ret)
                goto err_exit;
            lsm_params->param_tag_tracker |= PARAM_REQUEST_DETECTION_BIT;
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_LAB_DAM_CFG_IDS,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_LAB_DAM_CFG_IDS);
            ret = platform_stdev_set_module_param_ids(
                &lsm_params->params[LAB_DAM_CFG], str_value, is_legacy_params);
            if (ret)
                goto err_exit;
            lsm_params->param_tag_tracker |= PARAM_LAB_DAM_CFG_BIT;
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_CONFIDENCE_LEVELS_IDS,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_CONFIDENCE_LEVELS_IDS);
            ret = platform_stdev_set_module_param_ids(
                &lsm_params->params[CONFIDENCE_LEVELS], str_value, is_legacy_params);
            if (ret)
                goto err_exit;
            lsm_params->param_tag_tracker |= PARAM_CONFIDENCE_LEVELS_BIT;
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_OPERATION_MODE_IDS,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_OPERATION_MODE_IDS);
            ret = platform_stdev_set_module_param_ids(
                &lsm_params->params[OPERATION_MODE], str_value, is_legacy_params);
            if (ret)
                goto err_exit;
            lsm_params->param_tag_tracker |= PARAM_OPERATION_MODE_BIT;
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_POLLING_ENABLE_IDS,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_POLLING_ENABLE_IDS);
            ret = platform_stdev_set_module_param_ids(
                &lsm_params->params[POLLING_ENABLE], str_value, is_legacy_params);
            if (ret)
                goto err_exit;
            lsm_params->param_tag_tracker |= PARAM_POLLING_ENABLE_BIT;
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_CUSTOM_CONFIG_IDS,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_CUSTOM_CONFIG_IDS);
            ret = platform_stdev_set_module_param_ids(
                &lsm_params->params[CUSTOM_CONFIG], str_value, is_legacy_params);
            if (ret)
                goto err_exit;
            lsm_params->param_tag_tracker |= PARAM_CUSTOM_CONFIG_BIT;
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_DET_EVENT_TYPE_IDS,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_DET_EVENT_TYPE_IDS);
            ret = platform_stdev_set_module_param_ids(
                &lsm_params->params[DET_EVENT_TYPE], str_value, is_legacy_params);
            if (ret)
                goto err_exit;
            lsm_params->param_tag_tracker |= PARAM_DET_EVENT_TYPE_BIT;
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_LAB_CONTROL_IDS,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_LAB_CONTROL_IDS);
            ret = platform_stdev_set_module_param_ids(
                &lsm_params->params[LAB_CONTROL], str_value, is_legacy_params);
            if (ret)
                goto err_exit;
            lsm_params->param_tag_tracker |= PARAM_LAB_CONTROL_BIT;
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_VERSION_ID,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_VERSION_ID);
            ret = platform_stdev_set_module_param_ids(
                &lsm_params->params[VERSION_ID], str_value, is_legacy_params);
            if (ret)
                goto err_exit;
        }
    } else {
        err = str_parms_get_str(parms, ST_PARAM_KEY_PDK5_APP_TYPE,
                            str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_PDK5_APP_TYPE);
            lsm_params->pdk5_app_type = strtoul(str_value, NULL, 16);
        }
    }

    if (is_legacy_version == false) {
        err = str_parms_get_str(parms, ST_PARAM_KEY_APP_TYPE,
                            str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_APP_TYPE);
            lsm_params->app_type = strtoul(str_value, NULL, 16);
        }
    }

    lsm_params->in_channels = SOUND_TRIGGER_CHANNEL_MODE_MONO; /* default */
    err = str_parms_get_int(parms, ST_PARAM_KEY_IN_CHANNELS, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_IN_CHANNELS);
        lsm_params->in_channels = value;
    }

    lsm_params->in_channels_lpi = lsm_params->in_channels;
    err = str_parms_get_int(parms, ST_PARAM_KEY_IN_CHANNELS_LPI, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_IN_CHANNELS_LPI);
        lsm_params->in_channels_lpi = value;
    }

    if (my_data->xml_version >= PLATFORM_XML_VERSION_0x0105) {
        err = str_parms_get_str(parms, ST_PARAM_KEY_ADM_CFG_PROFILE,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_ADM_CFG_PROFILE);
            ret = string_to_profile_type(
                str_value, &(lsm_params->adm_cfg_profile));
            if (ret) {
                goto err_exit;
            }
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_CAPTURE_DEVICE,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_CAPTURE_DEVICE);
            ret = string_to_capture_device(
                str_value, &(lsm_params->capture_device));
            if (ret) {
                goto err_exit;
            }
        }

        err = str_parms_get_str(parms, ST_PARAM_KEY_FLUENCE_TYPE,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_FLUENCE_TYPE);
            ret = string_to_fluence_type(
                str_value, &(lsm_params->fluence_type));
            if (ret) {
                goto err_exit;
            }
        }

        lsm_params->lpi_enable = ST_PLATFORM_LPI_NONE;
        err = str_parms_get_str(parms, ST_PARAM_KEY_LPI_MODE,
                                str_value, sizeof(str_value));
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_LPI_MODE);
            /*
             * The default setting will have 2 lsm_usecases in the xml -
             * lpi_mode LPI and NON_LPI_BARGE_IN. With this configuration,
             * dynamic EC updates are supported when barge_in_mode is enabled
             * or disabled. If a third lsm_usecase is present in the xml with
             * lpi_mode NON_LPI, then transitions will occur when barge_in_mode
             * is enabled or disabled. This allows for different number of MICs
             * between non-LPI with barge-in and non-LPI without barge-in.
             */
            if (!strncasecmp(str_value, "NON_LPI",
                sizeof("NON_LPI"))) {
                lsm_params->lpi_enable = ST_PLATFORM_LPI_DISABLE;
                my_data->stdev->support_dynamic_ec_update = false;
            } else if (!strncasecmp(str_value, "NON_LPI_BARGE_IN",
                sizeof("NON_LPI_BARGE_IN"))) {
                lsm_params->lpi_enable = ST_PLATFORM_LPI_DISABLE_AND_BARGE_IN;
            } else if (!strncasecmp(str_value, "LPI", sizeof("LPI"))) {
                lsm_params->lpi_enable = ST_PLATFORM_LPI_ENABLE;
            } else {
                ALOGE("%s: invalid lpi_mode set: %s", __func__, str_value);
                goto err_exit;
            }
        }
    }

    free(kv_pairs);
    return 0;

err_exit:
    list_for_each_safe(module_node, tmp_node,
        &lsm_params->module_params_list) {
        module_params = node_to_item(module_node, struct st_module_params,
            list_node);
        list_remove(module_node);
        free(module_params);
    }
    free(lsm_params);
    free(kv_pairs);
    return ret;
}

static int platform_stdev_create_lsm_params
(
    void *platform
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    struct st_vendor_info *sm_info = NULL;
    struct st_lsm_params *lsm_params = NULL;
    struct listnode *sm_info_node = NULL;

    sm_info_node = list_tail(&my_data->stdev->vendor_uuid_list);
    if (sm_info_node) {
        sm_info = node_to_item(sm_info_node, struct st_vendor_info, list_node);
    } else {
        ALOGE("%s: found NULL sm_info", __func__);
        return -EINVAL;
    }

    lsm_params = calloc(1, sizeof(struct st_lsm_params));
    if (!lsm_params) {
        ALOGE("%s: lsm_params allcoation failed", __func__);
        return -ENOMEM;
    }

    if (my_data->xml_version > PLATFORM_XML_VERSION_0x0105)
        list_init(&lsm_params->module_params_list);

    list_add_tail(&sm_info->lsm_usecase_list, &lsm_params->list_node);

    return 0;
}

static int platform_stdev_create_sm_config_params
(
    void *platform
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    struct st_vendor_info *sm_info;

    /*
     * Allocate the vendor sound model config. Set default values to
     * config params. Push this sound model config to list.
     */
    sm_info = calloc(1, sizeof(*sm_info));
    if (!sm_info) {
        ALOGE("%s: sm_info allcoation failed", __func__);
        return -ENOMEM;
    }
    /* initialize to deault config */
    sm_info->kw_transfer_mode = RT_TRANSFER_MODE;
    sm_info->kw_capture_format = PCM_RAW;
    sm_info->kw_duration = DEFAULT_MAX_KEYWORD_DURATION_MS;
    sm_info->client_capture_read_delay = DEFAULT_MAX_CLIENT_LAB_READ_DELAY_MS;
    sm_info->sample_rate = SOUND_TRIGGER_SAMPLING_RATE_16000;
    sm_info->format = PCM_FORMAT_S16_LE;
    sm_info->in_channels = SOUND_TRIGGER_CHANNEL_MODE_MONO;
    sm_info->out_channels = SOUND_TRIGGER_CHANNEL_MODE_MONO;
    sm_info->profile_type = ST_PROFILE_TYPE_NONE;
    sm_info->fwk_mode = SOUND_TRIGGER_EVENT_NON_TIME_STAMP_MODE;
    sm_info->fluence_type = ST_FLUENCE_TYPE_NONE;
    sm_info->wdsp_fluence_type = ST_FLUENCE_TYPE_NONE;
    sm_info->split_ec_ref_data = false;
    sm_info->ec_ref_channel_cnt = SOUND_TRIGGER_CHANNEL_MODE_MONO;

    list_init(&sm_info->gcs_usecase_list);
    list_init(&sm_info->lsm_usecase_list);
    list_init(&sm_info->arm_ss_usecase_list);
    list_init(&sm_info->lsm_ss_usecase_list);

    list_add_tail(&my_data->stdev->vendor_uuid_list,
        &sm_info->list_node);

    return 0;
}

static int platform_stdev_set_sm_config_params
(
   void *platform,
   struct str_parms *parms
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;
    struct listnode *sm_info_node = NULL, *gcs_node = NULL;
    struct listnode *arm_node = NULL, *lsm_node = NULL, *module_node = NULL;
    struct listnode *tmp_node = NULL, *tmp_node1 = NULL;
    struct st_vendor_info *sm_info = NULL;
    char str_value[ST_MAX_STRING_PARAM_SIZE];
    char *kv_pairs = str_parms_to_str(parms);
    int ret = 0, err = 0, value = 0;
    struct st_gcs_params *gcs_params = NULL;
    struct st_arm_ss_params *arm_params = NULL;
    struct st_lsm_ss_params *lsm_ss_params = NULL;
    struct st_lsm_params *lsm_params = NULL;
    struct st_module_params *module_params = NULL;

    ALOGV("%s: enter: %s", __func__, kv_pairs);
    if (kv_pairs == NULL) {
        ALOGE("%s: key-value pair is NULL", __func__);
        return -EINVAL;
    }

    sm_info_node = list_tail(&my_data->stdev->vendor_uuid_list);
    if (!sm_info_node) {
        ALOGE("%s: found NULL sm_info_node", __func__);
        ret = -ENOMEM;
        goto error_exit;
    }

    sm_info = node_to_item(sm_info_node, struct st_vendor_info, list_node);

    /* Set the platform configured params */
    err = str_parms_get_str(parms, ST_PARAM_KEY_SM_VENDOR_UUID,
        str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_SM_VENDOR_UUID);
        if (string_to_uuid(str_value, &sm_info->uuid) < 0) {
           ALOGE("%s: string_to_uuid failed", __func__);
           ret = -EINVAL;
           goto error_exit;
        }
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_EXECUTION_TYPE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_EXECUTION_TYPE);
        if (!strcmp(str_value, "WDSP")) {
            sm_info->exec_mode_cfg = EXEC_MODE_CFG_CPE;
        } else if (!strcmp(str_value, "ADSP")) {
            sm_info->exec_mode_cfg = EXEC_MODE_CFG_APE;
        } else if (!strcmp(str_value, "DYNAMIC")) {
            sm_info->exec_mode_cfg = EXEC_MODE_CFG_DYNAMIC;
        } else if (!strcmp(str_value, "ARM")) {
            sm_info->exec_mode_cfg = EXEC_MODE_CFG_ARM;
        } else {
            ALOGE("%s: invalid exec type set: %s", __func__, str_value);
        }
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_SECOND_STAGE_SUPPORTED,
                            str_value, sizeof(str_value));
    //By default set to true
    sm_info->second_stage_supported = true;
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_SECOND_STAGE_SUPPORTED);
        if (!strcmp(str_value, "true")) {
           sm_info->second_stage_supported = true;
        } else if (!strcmp(str_value, "false")) {
           sm_info->second_stage_supported = false;
        } else {
            ALOGE("%s: invalid second stage support value set: %s", __func__, str_value);
        }
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_APP_TYPE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_APP_TYPE);
        sm_info->app_type = strtoul(str_value, NULL, 16);
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_MAX_CPE_PHRASES, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_MAX_CPE_PHRASES);
        sm_info->avail_cpe_phrases = value;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_MAX_CPE_USERS, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_MAX_CPE_USERS);
        sm_info->avail_cpe_users = value;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_MAX_APE_PHRASES, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_MAX_APE_PHRASES);
        sm_info->avail_ape_phrases = value;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_MAX_APE_USERS, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_MAX_APE_USERS);
        sm_info->avail_ape_users = value;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_CLIENT_CAPTURE_READ_DELAY, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_CLIENT_CAPTURE_READ_DELAY);
        sm_info->client_capture_read_delay = value;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_KW_START_TOLERANCE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_KW_START_TOLERANCE);
        sm_info->kw_start_tolerance = value;
    } else {
        sm_info->kw_start_tolerance = FIRST_STAGE_KW_START_TOLERANCE_MS;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_KW_END_TOLERANCE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_KW_END_TOLERANCE);
        sm_info->kw_end_tolerance = value;
    } else {
        sm_info->kw_end_tolerance = FIRST_STAGE_KW_END_TOLERANCE_MS;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_CAPTURE_KEYWORD,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_CAPTURE_KEYWORD);
        ret = platform_stdev_set_capture_keyword_config(sm_info, str_value);
        if (ret)
            goto error_exit;

    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_FIRMWARE_IMAGE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_FIRMWARE_IMAGE);
        strlcpy(sm_info->cpe_firmware_image,
                str_value, sizeof(sm_info->cpe_firmware_image));
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_EVENT_TIMESTAMP_MODE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_EVENT_TIMESTAMP_MODE);
        if (!strncasecmp(str_value, "true", 4))
            sm_info->fwk_mode = SOUND_TRIGGER_EVENT_TIME_STAMP_MODE;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_SAMPLE_RATE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_SAMPLE_RATE);
        sm_info->sample_rate = value;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_BIT_WIDTH, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_BIT_WIDTH);
        if (value == 16) {
            sm_info->format = PCM_FORMAT_S16_LE;
        } else if (value == 24) {
            sm_info->format = PCM_FORMAT_S24_LE;
        } else {
            ALOGE("%s: invalid bit width for profile", __func__);
            ret = -EINVAL;
            goto error_exit;
        }
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_OUT_CHANNELS, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_OUT_CHANNELS);
    } else {
        /* Backward compatibility with old XML */
        err = str_parms_get_int(parms, ST_PARAM_KEY_CHANNEL_COUNT, &value);
        if (err >= 0) {
            str_parms_del(parms, ST_PARAM_KEY_CHANNEL_COUNT);
        }
    }
    if (err >= 0) {
        sm_info->out_channels = value;
        /* Backward compatibility where in_channels is not in lsm_usecase */
        if (my_data->xml_version <= PLATFORM_XML_VERSION_0x0102)
            sm_info->in_channels = sm_info->out_channels;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_ADM_CFG_PROFILE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_ADM_CFG_PROFILE);
        if (string_to_profile_type(str_value, &sm_info->profile_type) < 0) {
            ALOGE("%s: string_to_profile_type failed", __func__);
            ret = -EINVAL;
            goto error_exit;
        }
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_FLUENCE_TYPE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_FLUENCE_TYPE);
        if (string_to_fluence_type(str_value, &sm_info->fluence_type) < 0) {
            ALOGE("%s: string_to_fluence_type failed", __func__);
            ret = -EINVAL;
            goto error_exit;
        }
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_WDSP_FLUENCE_TYPE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_WDSP_FLUENCE_TYPE);
        if (string_to_fluence_type(str_value, &sm_info->wdsp_fluence_type) < 0) {
            ALOGE("%s: string_to_fluence_type failed", __func__);
            ret = -EINVAL;
            goto error_exit;
        }
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_SPLIT_EC_REF_DATA,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_SPLIT_EC_REF_DATA);
        sm_info->split_ec_ref_data =
            !strncasecmp(str_value, "true", 4) ? true : false;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_EC_REF_CHANNEL_COUNT, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_EC_REF_CHANNEL_COUNT);
        sm_info->ec_ref_channel_cnt = value;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_LPI_ENABLE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_LPI_ENABLE);
        sm_info->lpi_enable = !strncasecmp(str_value, "true", 4) ? true : false;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_VAD_ENABLE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_VAD_ENABLE);
        sm_info->vad_enable = !strncasecmp(str_value, "true", 4) ? true : false;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_DAM_TOKEN_ID, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_DAM_TOKEN_ID);
        sm_info->lab_dam_cfg_payload.token_id = value;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_MERGE_FIRST_STAGE_SOUNDMODELS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_MERGE_FIRST_STAGE_SOUNDMODELS);
        sm_info->merge_fs_soundmodels =
            !strncasecmp(str_value, "true", 4) ? true : false;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_GET_MODULE_VERSION,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_GET_MODULE_VERSION);
        sm_info->get_module_version =
            !strncasecmp(str_value, "true", 4) ? true : false;
    }

    sm_info->avail_transit_ape_phrases = sm_info->avail_ape_phrases;
    sm_info->avail_transit_ape_users = sm_info->avail_ape_users;
    sm_info->avail_transit_cpe_phrases = sm_info->avail_cpe_phrases;
    sm_info->avail_transit_cpe_users = sm_info->avail_cpe_users;

    /* store combined keyphrases/users of all engines */
    stdev->avail_ape_phrases += sm_info->avail_ape_phrases;
    stdev->avail_ape_users += sm_info->avail_ape_users;
    stdev->avail_cpe_phrases += sm_info->avail_cpe_phrases;
    stdev->avail_cpe_users += sm_info->avail_cpe_users;

    free(kv_pairs);
    ALOGV("%s: exit", __func__);
    return 0;

error_exit:
    if (sm_info) {
        /* remove and free the param structs */
        list_for_each_safe(arm_node, tmp_node, &sm_info->arm_ss_usecase_list) {
            arm_params = node_to_item(arm_node, struct st_arm_ss_params, list_node);
            list_remove(arm_node);
            free(arm_params);
        }
        list_for_each_safe(lsm_node, tmp_node, &sm_info->lsm_ss_usecase_list) {
            lsm_ss_params = node_to_item(lsm_node, struct st_lsm_ss_params, list_node);
            list_remove(lsm_node);
            free(lsm_ss_params);
        }
        list_for_each_safe(gcs_node, tmp_node, &sm_info->gcs_usecase_list) {
            gcs_params = node_to_item(gcs_node, struct st_gcs_params, list_node);
            list_remove(gcs_node);
            free(gcs_params);
        }
        list_for_each_safe(lsm_node, tmp_node, &sm_info->lsm_usecase_list) {
            lsm_params = node_to_item(lsm_node, struct st_lsm_params, list_node);
            list_remove(lsm_node);
            list_for_each_safe(module_node, tmp_node1,
                &lsm_params->module_params_list) {
                module_params = node_to_item(module_node, struct st_module_params,
                    list_node);
                list_remove(module_node);
                free(module_params);
            }
            free(lsm_params);
        }
        list_remove(sm_info_node);
        free(sm_info);
    }
    free(kv_pairs);
    return ret;
}

static int platform_stdev_set_adm_cfg_params
(
   void *platform,
   struct str_parms *parms
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    struct adm_cfg_info *cfg_info;
    char str_value[ST_MAX_STRING_PARAM_SIZE];
    char *kv_pairs = str_parms_to_str(parms);
    int ret = 0, err, value;

    ALOGV("%s: enter: %s", __func__, kv_pairs);
    if (kv_pairs == NULL) {
        ALOGE("%s: key-value pair is NULL", __func__);
        return -EINVAL;
    }

    /* Allocate the app type profile info
     * Set the platform configured profile params.
     * Push this profile to platform data.
     */
    cfg_info = calloc(1, sizeof(*cfg_info));
    if (!cfg_info) {
        ALOGE("%s: cfg info allcoation failed", __func__);
        ret = -ENOMEM;
        goto error_exit;
    }

    /* initialize to deault config */
    cfg_info->profile_type = ST_PROFILE_TYPE_DEFAULT;
    cfg_info->app_type = SOUND_TRIGGER_DEVICE_DEFAULT_APP_TYPE;
    cfg_info->sample_rate = SOUND_TRIGGER_SAMPLING_RATE_16000;
    cfg_info->bit_width = SOUND_TRIGGER_BIT_WIDTH;

    /* Set the platform configured params */
    err = str_parms_get_str(parms, ST_PARAM_KEY_ADM_CFG_PROFILE,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_ADM_CFG_PROFILE);
        if (string_to_profile_type(str_value, &cfg_info->profile_type) < 0) {
            ALOGE("%s: string_to_profile_type failed", __func__);
            ret = -EINVAL;
            goto error_exit;
        }
    } else {
        ALOGE("%s: Error: adm cfg defined without profile", __func__);
        ret = -EINVAL;
        goto error_exit;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_APP_TYPE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_APP_TYPE);
        cfg_info->app_type = value;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_SAMPLE_RATE, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_SAMPLE_RATE);
        cfg_info->sample_rate = value;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_BIT_WIDTH, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_BIT_WIDTH);
        cfg_info->bit_width = value;
    }

    err = str_parms_get_int(parms, ST_PARAM_KEY_OUT_CHANNELS, &value);
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_OUT_CHANNELS);
        cfg_info->out_channels = value;
    }

    list_add_tail(&my_data->stdev->adm_cfg_list,
                  &cfg_info->list_node);
    free(kv_pairs);
    return 0;

error_exit:
    if (cfg_info)
        free(cfg_info);
    free(kv_pairs);
    return ret;
}


static int platform_stdev_set_lpma_config
(
   void *platform,
   struct str_parms *parms
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    char str_value[ST_MAX_STRING_PARAM_SIZE];
    char *kv_pairs = str_parms_to_str(parms);
    int ret = 0, err;

    if (kv_pairs == NULL) {
        ALOGE("%s: key-value pair is NULL", __func__);
        return -EINVAL;
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_UID,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_UID);
        my_data->lpma_cfg.uid = strtoul(str_value, NULL, 16);
    }

    err = str_parms_get_str(parms, ST_PARAM_KEY_BB_IDS,
                            str_value, sizeof(str_value));
    if (err >= 0) {
        str_parms_del(parms, ST_PARAM_KEY_BB_IDS);
        if (my_data->lpma_cfg.num_bb_ids < MAX_LPMA_BB_IDS) {
            ret = platform_stdev_set_module_param_ids(
                    &my_data->lpma_cfg.bb_params[my_data->lpma_cfg.num_bb_ids++],
                    str_value, false);
        } else {
            ALOGE("%s: max lpma_bb_ids %d exceeded", __func__, MAX_LPMA_BB_IDS);
        }
    }

    free(kv_pairs);
    return ret;
}

int platform_stdev_set_parameters
(
   void *platform,
   struct str_parms *parms
)
{
    char *kv_pairs = str_parms_to_str(parms);

    ALOGV("%s: enter with key-value pair: %s", __func__, kv_pairs);
    if (!kv_pairs) {
        ALOGE("%s: key-value pair is NULL",__func__);
        return -EINVAL;
    }

    platform_set_common_config(platform, parms);
    platform_set_acdb_ids(platform, parms);
    free(kv_pairs);

    return 0;
}

static void platform_stdev_process_kv_params
(
   void *platform,
   const XML_Char **attr
)
{
    struct platform_data *my_data = (struct platform_data *)platform;

    ALOGV("%s: %s:%s ", __func__, attr[0],attr[1]);
    str_parms_add_str(my_data->kvpairs, (char*)attr[0], (char*)attr[1]);
    return;
}

static void platform_stdev_process_versioned_xml_data
(
   struct platform_data *my_data,
   const XML_Char *tag_name,
   const XML_Char **attr
)
{
    st_xml_process_fn fn_ptr;

    if (!strcmp(tag_name, "common_config")) {
        my_data->st_xml_tag = TAG_COMMON;
    } else if (!strcmp(tag_name, "acdb_ids")) {
        my_data->st_xml_tag = TAG_ACDB;
    } else if (!strcmp(tag_name, "sound_model_config")) {
        my_data->st_xml_tag = TAG_SOUND_MODEL;
        /* create an entry for storing sound_model_config */
        platform_stdev_create_sm_config_params(my_data);
    } else if (!strcmp(tag_name, "arm_ss_usecase")) {
        my_data->st_xml_tag = TAG_ARM_SS_USECASE;
    } else if (!strcmp(tag_name, "gcs_usecase")) {
        my_data->st_xml_tag = TAG_GCS_USECASE;
    } else if (!strcmp(tag_name, "lsm_usecase")) {
        my_data->st_xml_tag = TAG_LSM_USECASE;
        platform_stdev_create_lsm_params(my_data);
    } else if (!strcmp(tag_name, "lsm_ss_usecase")) {
        my_data->st_xml_tag = TAG_LSM_SS_USECASE;
    } else if (!strcmp(tag_name, "module_params")) {
        my_data->st_xml_tag = TAG_MODULE_PARAMS;
    } else if (!strcmp(tag_name, "adm_config")) {
        my_data->st_xml_tag = TAG_ADM_CFG;
    } else if (!strcmp(tag_name, "backend_type")) {
        my_data->st_xml_tag = TAG_BACKEND_TYPE;
    } else if (!strcmp(tag_name, "lpma_config")) {
        my_data->st_xml_tag = TAG_LPMA_CONFIG;
    } else if(!strcmp(tag_name, "acdb_metainfo_key")) {
        my_data->st_xml_tag = TAG_ACDB_METAINFO_KEY;
    } else if (!strcmp(tag_name, "param")) {
        if ((my_data->st_xml_tag != TAG_ROOT) && (my_data->st_xml_tag != TAG_COMMON) &&
            (my_data->st_xml_tag != TAG_ACDB) && (my_data->st_xml_tag != TAG_SOUND_MODEL) &&
            (my_data->st_xml_tag != TAG_ARM_SS_USECASE) &&
            (my_data->st_xml_tag != TAG_GCS_USECASE) &&
            (my_data->st_xml_tag != TAG_LSM_USECASE) &&
            (my_data->st_xml_tag != TAG_LSM_SS_USECASE) &&
            (my_data->st_xml_tag != TAG_MODULE_PARAMS) &&
            (my_data->st_xml_tag != TAG_ADM_CFG) &&
            (my_data->st_xml_tag != TAG_BACKEND_TYPE) &&
            (my_data->st_xml_tag != TAG_LPMA_CONFIG) &&
            (my_data->st_xml_tag != TAG_ACDB_METAINFO_KEY)) {
            ALOGE("%s: param under unknown tag", __func__);
            return;
        }
        fn_ptr = process_table[my_data->st_xml_tag];
        if (fn_ptr)
            fn_ptr(my_data, attr);
    }
}

static void start_tag(void *userdata, const XML_Char *tag_name,
                      const XML_Char **attr)
{
    struct platform_data *platform = (void *)userdata;

    if (!platform || !tag_name || !attr) {
        ALOGE("%s: NULL platform/tag_name/attr", __func__);
        return;
    }

    if ((platform->st_xml_tag == TAG_ROOT) &&
        !strcmp(tag_name, "param") && !strcmp(attr[0], "version") ) {
        /* This must be the first param for versioned XML file */
        platform->xml_version = strtoul(attr[1], NULL, 16);
        ALOGV("%s: xml_version 0x%04x", __func__, platform->xml_version);
    } else if (platform->xml_version) {
        platform_stdev_process_versioned_xml_data(platform, tag_name, attr);
    } else if (platform->st_xml_tag != TAG_ROOT) {
        ALOGE("%s: Unsupported platform xml. Upgrade to latest", __func__);
    }
    return;
}

static void end_tag(void *userdata, const XML_Char *tag_name)
{
    struct platform_data *platform = userdata;

    if (!platform || !tag_name) {
        ALOGE("%s: NULL tag or platform", __func__);
        return;
    }

    if (!strcmp(tag_name, "common_config") || (!strcmp(tag_name, "acdb_ids"))) {
        platform->st_xml_tag = TAG_ROOT;
        platform_stdev_set_parameters(platform, platform->kvpairs);
    } else if (!strcmp(tag_name, "arm_ss_usecase")) {
        platform->st_xml_tag = TAG_ARM_SS_USECASE;
        platform_stdev_set_ss_params(platform, platform->kvpairs);
        platform->st_xml_tag = TAG_SOUND_MODEL;
    } else if (!strcmp(tag_name, "gcs_usecase")) {
        platform->st_xml_tag = TAG_SOUND_MODEL;
        platform_stdev_set_gcs_params(platform, platform->kvpairs);
    } else if (!strcmp(tag_name, "lsm_usecase")) {
        platform->st_xml_tag = TAG_SOUND_MODEL;
        platform_stdev_set_lsm_params(platform, platform->kvpairs);
    } else if (!strcmp(tag_name, "module_params")) {
        platform->st_xml_tag = TAG_LSM_USECASE;
        platform_stdev_set_module_params(platform, platform->kvpairs);
    } else if (!strcmp(tag_name, "sound_model_config")) {
        platform->st_xml_tag = TAG_ROOT;
        platform_stdev_set_sm_config_params(platform, platform->kvpairs);
    } else if (!strcmp(tag_name, "adm_config")) {
        platform->st_xml_tag = TAG_ROOT;
        platform_stdev_set_adm_cfg_params(platform, platform->kvpairs);
    } else if (!strcmp(tag_name, "backend_type")) {
        platform->st_xml_tag = TAG_ROOT;
        platform_stdev_process_backend_type(platform, platform->kvpairs);
    } else if (!strcmp(tag_name, "lpma_config")) {
        platform->st_xml_tag = TAG_ROOT;
        platform_stdev_set_lpma_config(platform, platform->kvpairs);
    } else if (!strcmp(tag_name, "acdb_metainfo_key")) {
        platform->st_xml_tag = TAG_ROOT;
    } else if (!strcmp(tag_name, "lsm_ss_usecase")) {
        platform->st_xml_tag = TAG_LSM_SS_USECASE;
        platform_stdev_set_ss_params(platform, platform->kvpairs);
        platform->st_xml_tag = TAG_LSM_USECASE;
    }
}

static int platform_parse_info(struct platform_data *platform, const char *filename)
{
    XML_Parser      parser;
    FILE            *file;
    int             ret = 0;
    int             bytes_read;
    void            *buf;

    file = fopen(filename, "r");
    if (!file) {
        ALOGD("%s: Failed to open %s, using defaults", __func__, filename);
        ret = -ENODEV;
        goto done;
    }
    platform->st_xml_tag = TAG_ROOT;
    platform->kvpairs = str_parms_create();

    parser = XML_ParserCreate(NULL);
    if (!parser) {
        ALOGE("%s: Failed to create XML parser!", __func__);
        ret = -ENODEV;
        goto err_close_file;
    }

    XML_SetUserData(parser, platform);

    XML_SetElementHandler(parser, start_tag, end_tag);

    while (1) {
        buf = XML_GetBuffer(parser, BUF_SIZE);
        if (buf == NULL) {
            ALOGE("%s: XML_GetBuffer failed", __func__);
            ret = -ENOMEM;
            goto err_free_parser;
        }

        bytes_read = fread(buf, 1, BUF_SIZE, file);
        if (bytes_read < 0) {
            ALOGE("%s: fread failed, bytes read = %d", __func__, bytes_read);
             ret = bytes_read;
            goto err_free_parser;
        }

        if (XML_ParseBuffer(parser, bytes_read,
                            bytes_read == 0) == XML_STATUS_ERROR) {
            ALOGE("%s: XML_ParseBuffer failed, for %s",
                __func__, filename);
            ret = -EINVAL;
            goto err_free_parser;
        }

        if (bytes_read == 0)
            break;
    }

err_free_parser:
    XML_ParserFree(parser);
err_close_file:
    fclose(file);
done:
    return ret;
}

static int get_codec_version(struct platform_data *my_data,
                            const char *snd_card_name,
                            int card_num)
{
    char procfs_path[50];
    FILE *fp;

    /* query the codec type to handle FTRT based on codec capability
       currently applicable to tasha codec versions */
    if (strstr(snd_card_name, "tasha")) {
        snprintf(procfs_path, sizeof(procfs_path),
                 "/proc/asound/card%d/codecs/tasha/version", card_num);
        if ((fp = fopen(procfs_path, "r")) != NULL) {
            fgets(my_data->codec_version, sizeof(my_data->codec_version), fp);
            fclose(fp);
        } else {
            ALOGE("%s: ERROR. cannot open %s", __func__, procfs_path);
            return -ENOENT;
        }
    }
    ALOGD("%s: codec version %s", __func__, my_data->codec_version);

    return 0;
}

static void query_stdev_platform(struct platform_data *my_data,
                                 const char *snd_card_name,
                                 char *mixer_path_xml)
{
    if (strstr(snd_card_name, "msm8939-tapan")) {
        get_xml_file_path(my_data->xml_file_path, MIXER_PATH_FILE_NAME_WCD9306,
            my_data->vendor_config_path);
        strlcpy(mixer_path_xml, my_data->xml_file_path, MIXER_PATH_MAX_LENGTH);
    } else if (strstr(snd_card_name, "msm8952-tomtom")||
                 strstr(snd_card_name, "msm8996-tomtom")) {
        get_xml_file_path(my_data->xml_file_path, MIXER_PATH_FILE_NAME_WCD9330,
            my_data->vendor_config_path);
        strlcpy(mixer_path_xml, my_data->xml_file_path, MIXER_PATH_MAX_LENGTH);
    } else if (strstr(snd_card_name, "sdm670-skuw")) {
        get_xml_file_path(my_data->xml_file_path, MIXER_PATH_FILE_NAME_SKUW,
            my_data->vendor_config_path);
        strlcpy(mixer_path_xml, my_data->xml_file_path, MIXER_PATH_MAX_LENGTH);
    } else if (strstr(snd_card_name, "msm8976-tasha")||
                 strstr(snd_card_name, "msm8952-tasha") ||
                 strstr(snd_card_name, "msm8953-tasha") ||
                 strstr(snd_card_name, "msm8953-sku3-tasha") ||
                 strstr(snd_card_name, "msm8937-tasha") ||
                 strstr(snd_card_name, "sdm660-tasha") ||
                 strstr(snd_card_name, "sdm670-tasha") ||
                 strstr(snd_card_name, "apq8009-tashalite")) {
        get_xml_file_path(my_data->xml_file_path, MIXER_PATH_FILE_NAME_WCD9335,
            my_data->vendor_config_path);
        strlcpy(mixer_path_xml, my_data->xml_file_path, MIXER_PATH_MAX_LENGTH);
    } else if (strstr(snd_card_name, "tavil")) {
        get_xml_file_path(my_data->xml_file_path, MIXER_PATH_FILE_NAME_WCD9340,
            my_data->vendor_config_path);
        strlcpy(mixer_path_xml, my_data->xml_file_path, MIXER_PATH_MAX_LENGTH);
        my_data->stdev->is_gcs = true;
    } else if (strstr(snd_card_name, "bg")) {
        get_xml_file_path(my_data->xml_file_path, MIXER_PATH_FILE_NAME_BG,
            my_data->vendor_config_path);
        strlcpy(mixer_path_xml, my_data->xml_file_path, MIXER_PATH_MAX_LENGTH);
        my_data->stdev->is_gcs = true;
    } else if (strstr(snd_card_name, "qcs405-tdm")) {
        get_xml_file_path(my_data->xml_file_path, MIXER_PATH_FILE_NAME_TDM,
            my_data->vendor_config_path);
        strlcpy(mixer_path_xml, my_data->xml_file_path, MIXER_PATH_MAX_LENGTH);
    } else {
        get_xml_file_path(my_data->xml_file_path, MIXER_PATH_FILE_NAME,
            my_data->vendor_config_path);
        strlcpy(mixer_path_xml, my_data->xml_file_path, MIXER_PATH_MAX_LENGTH);
    }
    /* create mixer path file name from sound card name
    and attach cdp/qrd if sound card name has cdp/qrd */
    char *tmp = NULL;
    char *snd_internal_name = NULL;
    char temp_path[MIXER_PATH_MAX_LENGTH];

    strlcpy(temp_path, mixer_path_xml, MIXER_PATH_MAX_LENGTH);

    char *snd_card_name_t = strdup(snd_card_name);
    if (snd_card_name_t != NULL) {
        snd_internal_name = strtok_r(snd_card_name_t, "-", &tmp);
        while (snd_internal_name != NULL) {
           snd_internal_name = strtok_r(NULL, "-", &tmp);
           if (snd_internal_name != NULL) {
               strlcat(temp_path, "_", MIXER_PATH_MAX_LENGTH);
               strlcat(temp_path, snd_internal_name, MIXER_PATH_MAX_LENGTH);
               strlcat(temp_path, MIXER_FILE_EXT, MIXER_PATH_MAX_LENGTH);
               if (access(temp_path, R_OK) == 0) {
                   strlcat(mixer_path_xml, "_", MIXER_PATH_MAX_LENGTH);
                   strlcat(mixer_path_xml, snd_internal_name, MIXER_PATH_MAX_LENGTH);
                   break;
               }
               strlcpy(temp_path, mixer_path_xml, MIXER_PATH_MAX_LENGTH);
           }
        }
        strlcpy(temp_path, mixer_path_xml, MIXER_PATH_MAX_LENGTH);
        if (strstr(snd_card_name, "qrd")) {
            strlcat(temp_path, "_qrd", MIXER_PATH_MAX_LENGTH);
            strlcat(temp_path, MIXER_FILE_EXT, MIXER_PATH_MAX_LENGTH);
            if (access(temp_path, R_OK) == 0)
                strlcat(mixer_path_xml, "_qrd", MIXER_PATH_MAX_LENGTH);
        }
        else if (strstr(snd_card_name, "cdp")) {
            strlcat(temp_path, "_cdp", MIXER_PATH_MAX_LENGTH);
            strlcat(temp_path, MIXER_FILE_EXT, MIXER_PATH_MAX_LENGTH);
            if (access(temp_path, R_OK) == 0)
                strlcat(mixer_path_xml, "_cdp", MIXER_PATH_MAX_LENGTH);
        }
        free(snd_card_name_t);
    }
    if (!strncmp(snd_card_name, "sm6150-wcd9375qrd-snd-card",
        sizeof("sm6150-wcd9375qrd-snd-card"))) {
        get_xml_file_path(my_data->xml_file_path, MIXER_PATH_FILE_NAME,
            my_data->vendor_config_path);
        strlcpy(mixer_path_xml, my_data->xml_file_path, MIXER_PATH_MAX_LENGTH);
    }

    strlcat(mixer_path_xml, MIXER_FILE_EXT, MIXER_PATH_MAX_LENGTH);

    /* Default sw_mad value will be overwritten if it
       is defined in platform info file
    */
    if ((strstr(snd_card_name, "msm8939") ||
        strstr(snd_card_name, "msm8909") ||
        strstr(snd_card_name, "apq8009") ||
        strstr(snd_card_name, "msm8952") ||
        strstr(snd_card_name, "sdm439") ||
        strstr(snd_card_name, "msm8976") ||
        strstr(snd_card_name, "msm8953") ||
        strstr(snd_card_name, "msm8937") ||
        strstr(snd_card_name, "sdm660") ||
        strstr(snd_card_name, "sdm670") ||
        strstr(snd_card_name, "sm6150") ||
        strstr(snd_card_name, "qcs605-lc") ||
        strstr(snd_card_name, "msm8x16")) &&
        !strstr(snd_card_name, "msm8976-tasha") &&
        !strstr(snd_card_name, "msm8952-tasha") &&
        !strstr(snd_card_name, "msm8953-tasha") &&
        !strstr(snd_card_name, "msm8953-sku3-tasha") &&
        !strstr(snd_card_name, "msm8937-tasha") &&
        !strstr(snd_card_name, "msm8952-tomtom") &&
        !strstr(snd_card_name, "sdm660-tasha") &&
        !strstr(snd_card_name, "sdm660-tavil") &&
        !strstr(snd_card_name, "sdm670-tasha") &&
        !strstr(snd_card_name, "sdm670-tavil") &&
        !strstr(snd_card_name, "sm6150-tavil") &&
        !strstr(snd_card_name, "apq8009-tasha") &&
        !strstr(snd_card_name, "msm8939-tomtom")) {
        my_data->stdev->sw_mad = true;
    }
}

static void init_codec_backend_cfg_mixer_ctl(struct platform_data *my_data)
{
    char mixer_ctl[ST_MAX_STRING_PARAM_SIZE];

    if (strcmp(my_data->backend_port, "")) {
        snprintf(mixer_ctl, sizeof(mixer_ctl),
                "%s SampleRate", my_data->backend_port);
        my_data->codec_backend_cfg.samplerate_mixer_ctl = strdup(mixer_ctl);

        snprintf(mixer_ctl, sizeof(mixer_ctl),
                "%s Format", my_data->backend_port);
        my_data->codec_backend_cfg.format_mixer_ctl = strdup(mixer_ctl);

        snprintf(mixer_ctl, sizeof(mixer_ctl),
                "%s Channels", my_data->backend_port);
        my_data->codec_backend_cfg.channelcount_mixer_ctl = strdup(mixer_ctl);

        snprintf(mixer_ctl, sizeof(mixer_ctl), "VAD CFG");
        my_data->codec_backend_cfg.vad_mixer_ctl = strdup(mixer_ctl);

        snprintf(mixer_ctl, sizeof(mixer_ctl),
                "%s TX island", my_data->backend_port);
        my_data->codec_backend_cfg.lpi_mixer_ctl = strdup(mixer_ctl);
    }
}

/* ---------------- device list APIs --------------- */
static int list_length(struct listnode *list)
{
    struct listnode *node;
    int length = 0;

    if (list == NULL)
        goto done;

    for (node = list->next; node != list; node = node->next)
        ++length;
done:
    return length;
}

/*
 * Clear device list
 * Operation: devices = {};
 */
static int clear_devices(struct listnode *devices)
{
    struct listnode *node = NULL, *temp = NULL;
    struct audio_device_info *item = NULL;

    if (devices == NULL)
        return 0;

    list_for_each_safe (node, temp, devices) {
        item = node_to_item(node, struct audio_device_info, list);
        if (item != NULL) {
            list_remove(&item->list);
            free(item);
        }
    }

    return 0;
}

/*
 * Returns true if A2DP output device is found in passed devices list
 */
bool platform_stdev_is_a2dp_out_device_type(struct listnode *devices)
{
    if (devices == NULL)
        return false;

    if (platform_stdev_compare_device_type(devices,
            AUDIO_DEVICE_OUT_BLUETOOTH_A2DP) ||
        platform_stdev_compare_device_type(devices,
            AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES) ||
        platform_stdev_compare_device_type(devices,
            AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER))
        return true;
    else
        return false;
}

/*
 * Check if a device with given type is present in devices list
 */
bool platform_stdev_compare_device_type(struct listnode *devices,
                                        audio_devices_t device_type)
{
    struct listnode *node = NULL;
    struct audio_device_info *item = NULL;

    if (devices == NULL)
        return false;

    list_for_each (node, devices) {
        item = node_to_item(node, struct audio_device_info, list);
        if (item != NULL && (item->type == device_type)) {
            ALOGV("%s: device types %d match", __func__, device_type);
            return true;
        }
    }
    return false;
}

/*
 * Returns true if lists are equal in terms of device type
 * TODO: Check if device addresses are also equal in the future
 */
bool platform_stdev_compare_devices(struct listnode *d1, struct listnode *d2)
{
    struct listnode *node = NULL;
    struct audio_device_info *item = NULL;

    if (d1 == NULL && d2 == NULL)
        return true;

    if (d1 == NULL || d2 == NULL ||
        (list_length(d1) != list_length(d2)))
        return false;

    list_for_each (node, d1) {
        item = node_to_item(node, struct audio_device_info, list);
        if (item != NULL &&
            !platform_stdev_compare_device_type(d2, item->type))
            return false;
    }
    return true;
}

/*
 * Add or remove device from list denoted by head
 */
int platform_stdev_update_device_list(audio_devices_t type, char* address,
                       struct listnode *head, bool add_device)
{
    struct listnode *node = NULL;
    struct audio_device_info *item = NULL;
    struct audio_device_info *device = NULL;
    int ret = 0;

    if (head == NULL)
        goto done;

    if (type == AUDIO_DEVICE_NONE) {
        ALOGE("%s: Invalid device: %#x", __func__, type);
        ret = -EINVAL;
        goto done;
    }

    list_for_each (node, head) {
        item = node_to_item(node, struct audio_device_info, list);
        if (item != NULL && (item->type == type)) {
            device = item;
            break;
        }
    }

    if (add_device) {
        if (device == NULL) {
            device = (struct audio_device_info *)
                        calloc (1, sizeof(struct audio_device_info));
            if (!device) {
                ALOGE("%s: Cannot allocate memory for device_info", __func__);
                ret = -ENOMEM;
                goto done;
            }
            device->type = type;
            list_add_tail(head, &device->list);
        }
        /*
         * TODO: Use address in future if required. Currently NULL string used.
         */
        strlcpy(device->address, address, AUDIO_DEVICE_MAX_ADDRESS_LEN);
        ALOGV("%s: Added device type %#x, address %s", __func__, type,
            address);
    } else {
        if (device != NULL) {
            list_remove(&device->list);
            free(device);
            ALOGV("%s: Removed device type %#x, address %s", __func__, type,
                address);
        }
    }
done:
    return ret;
}

/*
 * Assign source device list to destination device list
 * Operation: dest list = source list
 */
int platform_stdev_assign_devices(struct listnode *dest,
                                  const struct listnode *source)
{
    struct listnode *node;
    struct audio_device_info *item = NULL;
    int ret = 0;

    if (source == NULL || dest == NULL)
        return ret;

    if (!list_empty(dest))
        clear_devices(dest);

    list_for_each (node, source) {
        item = node_to_item(node, struct audio_device_info, list);
        if (item != NULL)
            ret = platform_stdev_update_device_list(item->type, item->address,
                dest, true);
    }
    return ret;
}

#if (SNDRV_LSM_VERSION >= SNDRV_PROTOCOL_VERSION(0, 3, 0))
static void platform_stdev_send_adm_app_type_cfg(void *platform)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;
    const char *mixer_ctl_name = "Listen App Type Config V2";
    struct mixer_ctl *ctl;
    struct listnode *p_node, *temp_node;
    struct adm_cfg_info *cfg_info;;
    int app_type_cfg[ST_MAX_LENGTH_MIXER_CONTROL] = {-1};
    int i, len = 0, num_app_types = 0;
    bool update;

    ctl = mixer_get_ctl_by_name(stdev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: ERROR. Could not get ctl for mixer cmd - %s",
              __func__, mixer_ctl_name);
        return;
    }

    /*
     * The first entry should define number of app type cfgs being sent
     * following which each app type cfg is populated in below order:
     *     - app type
     *     - sample rate
     *     - bit width
     *     - out_channels
     * ex for 2 app type cfgs being sent:
     * 2, 69938, 16000, 16, 1, 69939, 48000, 24, 3
     *
     * Number of app types is determined at the end before setting mixer control
     * after avoiding duplicate app_type entries
     */
    app_type_cfg[len++] = num_app_types;
    list_for_each_safe(p_node, temp_node, &stdev->adm_cfg_list) {
        cfg_info = node_to_item(p_node, struct adm_cfg_info, list_node);
        update = true;
        for (i = 0; i < len; i = i + 4) {
            /* avoid updating duplicate app types */
            if (app_type_cfg[i + 1] == -1) {
                break;
            } else if (app_type_cfg[i + 1] == cfg_info->app_type) {
                update = false;
                break;
            }
        }

        if (update && ((len + 4) <= ST_MAX_LENGTH_MIXER_CONTROL)) {
            num_app_types += 1;
            app_type_cfg[len++] = cfg_info->app_type;
            app_type_cfg[len++] = cfg_info->sample_rate;
            app_type_cfg[len++] = cfg_info->bit_width;
            app_type_cfg[len++] = cfg_info->out_channels;
        }
    }

    ALOGV("%s: num_app_types_v2 %d", __func__, num_app_types);
    if (num_app_types) {
        app_type_cfg[0] = num_app_types;
        mixer_ctl_set_array(ctl, app_type_cfg, len);
    }
}
#else
static void platform_stdev_send_adm_app_type_cfg(void *platform)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;
    const char *mixer_ctl_name = "Listen App Type Config";
    struct mixer_ctl *ctl;
    struct listnode *p_node, *temp_node;
    struct adm_cfg_info *cfg_info;;
    int app_type_cfg[ST_MAX_LENGTH_MIXER_CONTROL] = {-1};
    int i, len = 0, num_app_types = 0;
    bool update;

    ctl = mixer_get_ctl_by_name(stdev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: ERROR. Could not get ctl for mixer cmd - %s",
        __func__, mixer_ctl_name);
        return;
    }

    /*
     * The first entry should define number of app type cfgs being sent
     * following which each app type cfg is populated in below order:
     *     - app type
     *     - sample rate
     *     - bit width
     * ex for 2 app type cfgs being sent:
     * 2, 69938, 16000, 16, 69939, 48000, 24
     *
     * Number of app types is determined at the end before setting mixer control
     * after avoiding duplicate app_type entries
     */
    app_type_cfg[len++] = num_app_types;
    list_for_each_safe(p_node, temp_node, &stdev->adm_cfg_list) {
        cfg_info = node_to_item(p_node, struct adm_cfg_info, list_node);
        update = true;
        for (i = 0; i < len; i = i+3) {
            /* avoid updating duplicate app types */
            if (app_type_cfg[i+1] == -1) {
                break;
            } else if (app_type_cfg[i+1] == cfg_info->app_type) {
                update = false;
                break;
            }
        }

        if (update && ((len + 3) <= ST_MAX_LENGTH_MIXER_CONTROL)) {
            num_app_types += 1;
            app_type_cfg[len++] = cfg_info->app_type;
            app_type_cfg[len++] = cfg_info->sample_rate;
            app_type_cfg[len++] = cfg_info->bit_width;
        }
    }

    ALOGV("%s: num_app_types: %d", __func__, num_app_types);
    if (num_app_types) {
        app_type_cfg[0] = num_app_types;
        mixer_ctl_set_array(ctl, app_type_cfg, len);
    }
}
#endif

bool platform_stdev_is_hwmad_backend
(
   void *platform,
   st_device_t st_device,
   st_exec_mode_t exec_mode
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;
    /*
     * HWMAD backend is NOT used for following usecases:
     * 1. SWMAD solution. ex: internal codecs
     * 2. BlackGhost(BG) wearable platform using WDSP but not HWMAD.
     * 3. WDSP: Multimic DMA backend. But single mic handset and
     *          headset backends still use HWMAD path.
     * 4. ADSP: Handset backends other than single mic.
     * 5. ARM detection mode alone. ex: FFV.
     */
    return !stdev->disable_hwmad &&
           !stdev->sw_mad &&
           !stdev->bg_kwd &&
           ((exec_mode != ST_EXEC_MODE_ARM &&
             st_device == ST_DEVICE_HANDSET_MIC) ||
            (exec_mode == ST_EXEC_MODE_CPE &&
             st_device == ST_DEVICE_HEADSET_MIC));
}

bool platform_stdev_is_dedicated_sva_path
(
   void *platform
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;
    audio_devices_t cur_device =
        platform_stdev_get_capture_device(stdev->platform);

    if (!stdev->dedicated_sva_path ||
        (cur_device == AUDIO_DEVICE_IN_WIRED_HEADSET &&
        !stdev->dedicated_headset_path))
        return false;

    return true;
}

bool platform_stdev_backend_reset_allowed
(
    void *platform
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;

    if (stdev->conc_capture_supported &&
        stdev->tx_concurrency_active > 0 &&
        !platform_stdev_is_dedicated_sva_path(platform))
        return false;
    else
        return true;
}

static int platform_stdev_get_device_sample_rate
(
   struct platform_data *my_data,
   st_profile_type_t profile_type
)
{
    sound_trigger_device_t *stdev = my_data->stdev;
    struct listnode *p_node, *temp_node;
    struct adm_cfg_info *cfg_info;;
    /* default device sampling rate in acdb */
    int sample_rate = SOUND_TRIGGER_SAMPLING_RATE_16000;

    list_for_each_safe(p_node, temp_node, &stdev->adm_cfg_list) {
        cfg_info = node_to_item(p_node, struct adm_cfg_info, list_node);
        if (cfg_info->profile_type == profile_type) {
            sample_rate = cfg_info->sample_rate;
            break;
        }
    }
    ALOGD("%s: sample rate %d", __func__, sample_rate);

    return sample_rate;
}

static bool is_ec_profile(st_profile_type_t profile_type)
{
    bool ec_profile = false;

    switch (profile_type) {
    case ST_PROFILE_TYPE_EC:
    case ST_PROFILE_TYPE_FLUENCE:
    case ST_PROFILE_TYPE_FLUENCE_STEREO:
    case ST_PROFILE_TYPE_FFECNS:
        ec_profile = true;
        break;
    default:
        break;
    }

    return ec_profile;
}

static int init_be_dai_name_table(struct platform_data *my_data)
{
    sound_trigger_device_t *stdev = my_data->stdev;
    const char *mixer_ctl_name = "Backend DAI Name Table";
    struct mixer_ctl *ctl;
    int ret, size;

    /*
     * Retrieves the be_dai_name_table from kernel to enable a mapping
     * between sound device hw interfaces and backend IDs.
     * This allows HAL to specify the backend a specific calibration
     * is needed for.
     */

    if (!strcmp(my_data->backend_dai_name, "")) {
        ALOGE("%s: No backend dai name set\n", __func__);
        ret = -EINVAL;
        goto error;
    }

    ctl = mixer_get_ctl_by_name(stdev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: Could not get ctl for mixer name %s\n",
               __func__, mixer_ctl_name);
        ret = -EINVAL;
        goto error;
    }

    mixer_ctl_update(ctl);

    size = mixer_ctl_get_num_values(ctl);
    if (size <= 0) {
        ALOGE("%s: Failed to get %s size %d\n",
               __func__, mixer_ctl_name, size);
        ret = -EFAULT;
        goto error;
    }

    my_data->be_dai_name_table = (struct st_be_dai_name_table *)calloc(1, size);
    if (my_data->be_dai_name_table == NULL) {
        ALOGE("%s: Failed to allocate memory for %s\n",
               __func__, mixer_ctl_name);
        ret = -ENOMEM;
        goto error;
    }

    ret = mixer_ctl_get_array(ctl, (void *)my_data->be_dai_name_table, size);
    if (ret) {
        ALOGE("%s: Failed to get %s, ret %d\n",
               __func__, mixer_ctl_name, ret);
        ret = -EFAULT;
        goto error;
    }

    my_data->max_be_dai_names = size / sizeof(struct st_be_dai_name_table);
    ALOGV("%s: Successfully got %s, number of be dais is %d\n",
           __func__, mixer_ctl_name, my_data->max_be_dai_names);
    return 0;

error:
    if (my_data->be_dai_name_table) {
        free((void *)my_data->be_dai_name_table);
        my_data->be_dai_name_table = NULL;
    }
    return ret;
}

int get_st_device_backend_index
(
   struct platform_data *my_data,
   st_device_t st_device
)
{
    int i;
    int be_dai_id = -EINVAL;

    if ((st_device < ST_DEVICE_MIN) || (st_device >= ST_DEVICE_MAX)) {
        ALOGE("%s: Invalid st_device = %d", __func__, st_device);
        return be_dai_id;
    }

    /* Check if be dai name table was retrieved successfully */
    if (my_data->be_dai_name_table == NULL) {
        ALOGE("%s: BE DAI Name Table is not present\n", __func__);
        return be_dai_id;
    }

    /*
     * Get backend ID for device specified
     * Note:
     * Backend port is currently same for all supported sound trigger devices
     * and hence part of platform data.
     * To support different backend ports, a global interface table per st_device
     * to store backend backend port names is to be defined and override these
     * values from platform info xml values if required.
     */

    for (i = 0; i < my_data->max_be_dai_names; i++) {
        if (strcmp(my_data->backend_dai_name,
                   my_data->be_dai_name_table[i].be_name) == 0) {
            be_dai_id = my_data->be_dai_name_table[i].be_id;
            break;
        }
    }
    if (i == my_data->max_be_dai_names)
        ALOGE("%s: no interface matching name %s\n",
               __func__, my_data->backend_dai_name);

    ALOGV("%s: return backend dai id %d", __func__, be_dai_id);
    return be_dai_id;
}

static int get_snd_card_num(struct platform_data *my_data)
{
    struct mixer *mixer = NULL;
    int retry_num = 0, retry_limit = 0, snd_card_num = 0;
    const char* snd_card_name = NULL;
    bool card_verifed[MAX_SND_CARD] = {false};
    char value[PROPERTY_VALUE_MAX];
    char *default_value = "10";

    property_get("vendor.audio.snd_card.open.retries",
                                 value, default_value);
    retry_limit = atoi(value);

    for (;;) {
        if (snd_card_num >= MAX_SND_CARD) {
            if (retry_num++ >= retry_limit) {
                ALOGE("%s: primary sound card not found", __func__);
                break;
            }
            snd_card_num = 0;
            usleep(RETRY_US);
            continue;
        }
        if (card_verifed[snd_card_num]) {
            snd_card_num++;
            continue;
        }

        mixer = mixer_open(snd_card_num);
        if (!mixer) {
            ALOGE("%s: Unable to open the mixer card %d",
                  __func__, snd_card_num);
            snd_card_num++;
            continue;
        }

        snd_card_name = mixer_get_name(mixer);
        if (!strcmp(my_data->snd_card_name, "")) {
            if (strstr(snd_card_name, "msm") || strstr(snd_card_name, "sdm") ||
                strstr(snd_card_name, "apq"))
                break;
        } else {
            if (!strncmp(snd_card_name, my_data->snd_card_name,
                sizeof(my_data->snd_card_name)))
                break;
        }

        ALOGD("%s: sound card %s is not primary, skipping",
               __func__, snd_card_name);
        mixer_close(mixer);
        mixer = NULL;
        card_verifed[snd_card_num] = true;
        snd_card_num++;
    }
    if (mixer)
        mixer_close(mixer);

    return snd_card_num;
}

void *platform_stdev_init(sound_trigger_device_t *stdev)
{
    int ret = 0, retry_num = 0, snd_card_num = 0;
    struct platform_data *my_data = NULL;
    struct mixer_ctl *ctl = NULL;
    const char *hwmad_ctl_name = "MAD_SEL MUX";
    const char *snd_card_name = NULL;
    const char *acdb_card_name = NULL;
    audio_hw_get_snd_card_num_t audio_hw_get_snd_card_num = NULL;
    char mixer_path_xml[MIXER_PATH_MAX_LENGTH];
    struct listnode *v_node, *temp_node;
    struct st_vendor_info* v_info;
    char dev_name[256];

    ALOGI("%s: Enter", __func__);
    my_data = calloc(1, sizeof(struct platform_data));

    if (!my_data || !stdev) {
        ALOGE("%s: ERROR. NULL param", __func__);
        if (my_data)
            free(my_data);
        return NULL;
    }
    my_data->stdev = stdev;
    list_init(&stdev->vendor_uuid_list);
    list_init(&stdev->adm_cfg_list);
    list_init(&my_data->acdb_meta_key_list);

    platform_stdev_get_vendor_config_path(my_data->vendor_config_path,
        sizeof(my_data->vendor_config_path));
    platform_stdev_set_default_config(my_data);
    get_xml_file_path(my_data->xml_file_path, PLATFORM_PATH_XML,
        my_data->vendor_config_path);
    platform_parse_info(my_data, my_data->xml_file_path);

    my_data->hwdep_fd = -1;
    my_data->vad_hwdep_fd = -1;

    my_data->audio_hw_open_snd_mixer =
        (audio_hw_open_snd_mixer_t)dlsym(stdev->audio_hal_handle,
                                          "audio_extn_utils_open_snd_mixer");
    if (my_data->audio_hw_open_snd_mixer) {
        snd_card_num = my_data->audio_hw_open_snd_mixer(&stdev->mixer);
        if (snd_card_num < 0) {
            ALOGE("%s: ERROR. Unable to get sound card num", __func__);
            goto cleanup;
        }
        my_data->audio_hw_close_snd_mixer =
            (audio_hw_close_snd_mixer_t)dlsym(stdev->audio_hal_handle,
                                              "audio_extn_utils_close_snd_mixer");
    } else {
        ALOGE("%s: ERROR. dlsym error %s for audio_extn_utils_open_snd_mixer",
             __func__, dlerror());
        audio_hw_get_snd_card_num =
        (audio_hw_get_snd_card_num_t)dlsym(stdev->audio_hal_handle,
                                          "audio_extn_utils_get_snd_card_num");
        if (audio_hw_get_snd_card_num) {
            snd_card_num = audio_hw_get_snd_card_num();
            if (snd_card_num < 0) {
                ALOGE("%s: ERROR. Unable to get sound card num", __func__);
                goto cleanup;
            }
        } else {
            ALOGE("%s: ERROR. dlsym error %s for audio_extn_utils_get_snd_card_num",
                 __func__, dlerror());
            snd_card_num = get_snd_card_num(my_data);
            if (snd_card_num < 0) {
                ALOGE("%s: ERROR. Unable to get sound card num", __func__);
                goto cleanup;
            }
        }
        stdev->mixer = mixer_open(snd_card_num);
        while (!stdev->mixer && retry_num < MIXER_OPEN_MAX_NUM_RETRY) {
            usleep(RETRY_US);
            stdev->mixer = mixer_open(snd_card_num);
            retry_num++;
        }
    }

    if (!stdev->mixer) {
        ALOGE("%s: ERROR. Unable to open the mixer, aborting", __func__);
        goto cleanup;
    }

    snd_card_name = mixer_get_name(stdev->mixer);

    query_stdev_platform(my_data, snd_card_name, mixer_path_xml);
    stdev->audio_route = audio_route_init(snd_card_num, mixer_path_xml);
    if (!stdev->audio_route) {
        ALOGE("%s: ERROR. Failed to init audio route controls, aborting.",
                __func__);
        goto cleanup;
    }
    stdev->snd_card = snd_card_num;

    ret = load_acdb(my_data);
    if (ret)
        goto cleanup;

    if (my_data->audio_hw_acdb_init_v2) {
        ret = my_data->audio_hw_acdb_init_v2(stdev->mixer);
        if (ret) {
            ALOGE("%s: ERROR. audio_hw_acdb_init_v2 failed status %d", __func__, ret);
            my_data->acdb_deinit();
            goto cleanup;
        }
    } else if (my_data->audio_hw_acdb_init) {
            ret = my_data->audio_hw_acdb_init(snd_card_num);
            if (ret) {
                ALOGE("%s: ERROR. audio_hw_acdb_init failed status %d", __func__, ret);
                my_data->acdb_deinit();
                goto cleanup;
            }
    } else {
        acdb_card_name = get_snd_card_name_for_acdb_loader(snd_card_name);
        ALOGI("%s: acdb_init: %s", __func__, acdb_card_name);
        ret = my_data->acdb_init(acdb_card_name, NULL, 0);
        if (acdb_card_name) {
            free((void*)acdb_card_name);
            acdb_card_name = NULL;
        }
        if (ret) {
            ALOGE("%s: ERROR. acdb_loader_init_v2 failed status %d", __func__, ret);
            goto cleanup;
        }
    }

    ctl = mixer_get_ctl_by_name(stdev->mixer, hwmad_ctl_name);
    if (!ctl) {
        ALOGV("%s: Could not get ctl for MAD_SEL MUX, disabling hwmad",
            __func__);
        stdev->disable_hwmad = true;
    }

    if (!stdev->bg_kwd && !stdev->sw_mad && !stdev->disable_hwmad) {
        snprintf(dev_name, sizeof(dev_name), "/dev/snd/hwC%uD%u",
                               snd_card_num, WCD9XXX_CODEC_HWDEP_NODE);
        ALOGD("%s: Opening device %s", __func__, dev_name);
        my_data->hwdep_fd = open(dev_name, O_WRONLY);
        if (my_data->hwdep_fd < 0) {
            ALOGE("%s: cannot open device '%s'", __func__, dev_name);
            my_data->acdb_deinit();
            goto cleanup;
        }
    }

    my_data->prev_acdb_id = -1;

    if (Q6AFE_HWDEP_NODE >= 0) {
        snprintf(dev_name, sizeof(dev_name), "/dev/snd/hwC%uD%u",
                               snd_card_num, Q6AFE_HWDEP_NODE);

        ALOGD("%s Opening device %s for vad hwdep config", __func__, dev_name);
        my_data->vad_hwdep_fd = open(dev_name, O_WRONLY);

        /*
         * VAD support might not be available on some platform,
         * hence not treating as fatal error.
         */
        if (my_data->vad_hwdep_fd < 0)
            ALOGD("%s: cannot open device '%s', error:%s",
                  __func__, dev_name, strerror(errno));
    }

    ret = get_codec_version(my_data, snd_card_name, snd_card_num);
    if (ret)
        goto cleanup;

    list_for_each(v_node, &stdev->vendor_uuid_list) {
        v_info = node_to_item(v_node, struct st_vendor_info, list_node);
        if (!memcmp(&v_info->uuid, &qcva_uuid, sizeof(sound_trigger_uuid_t))) {
            v_info->is_qcva_uuid = true;
            if (!stdev->smlib_handle && v_info->merge_fs_soundmodels) {
                ret = load_soundmodel_lib(stdev);
                if (ret) {
                    v_info->merge_fs_soundmodels = false;
                    ret = 0;
                }
            }
        } else if (!memcmp(&v_info->uuid, &qcmd_uuid, sizeof(sound_trigger_uuid_t))) {
            v_info->is_qcmd_uuid = true;
            v_info->merge_fs_soundmodels = false;
        }  else {
            v_info->merge_fs_soundmodels = false;
            ALOGV("%s: ISV uuid present", __func__);
        }
        if (!stdev->mulaw_dec_lib_handle &&
             (v_info->kw_capture_format & MULAW)) {
            ret = load_mulaw_decoder(stdev);
            if (ret)
                goto cleanup;
        }
        ALOGV("%s: vendor config: kcf=%d, ktm=%d, ckw=%d, cu=%d, akw=%d, au=%d",
              __func__, v_info->kw_capture_format, v_info->kw_transfer_mode,
              v_info->avail_cpe_phrases, v_info->avail_cpe_users,
              v_info->avail_ape_phrases, v_info->avail_ape_users);
    }

    /* gcs init must happen after acdb inititlization as gcs client has
       dependency on acdb inititialization */
    if (stdev->is_gcs) {
        ret = st_hw_gcs_init();
        if (ret)
            goto cleanup;
    }
    ret = st_hw_pcm_init();
    if (ret)
        goto cleanup_2;

    init_codec_backend_cfg_mixer_ctl(my_data);

    platform_stdev_send_adm_app_type_cfg(my_data);

    init_be_dai_name_table(my_data);

    platform_stdev_reset_backend_cfg(my_data);

    return my_data;

cleanup_2:
    if (stdev->is_gcs)
        st_hw_gcs_deinit();

cleanup:
    if (stdev->mulaw_dec_lib_handle)
        dlclose(stdev->mulaw_dec_lib_handle);

    if (my_data->acdb_handle)
        dlclose(my_data->acdb_handle);

    if (stdev->smlib_handle)
        dlclose(stdev->smlib_handle);

    if (stdev->audio_route)
        audio_route_free(stdev->audio_route);

    if (stdev->mixer) {
        if (my_data->audio_hw_close_snd_mixer)
            my_data->audio_hw_close_snd_mixer(stdev->mixer);
        else
            mixer_close(stdev->mixer);
    }
    list_for_each_safe(v_node, temp_node, &stdev->vendor_uuid_list) {
        v_info = node_to_item(v_node, struct st_vendor_info, list_node);
        list_remove(v_node);
        free(v_info);
    }
    if (my_data->hwdep_fd >= 0) {
        close(my_data->hwdep_fd);
    }
    if (my_data->vad_hwdep_fd >= 0) {
        close(my_data->vad_hwdep_fd);
    }
    if (my_data->kvpairs)
        str_parms_destroy(my_data->kvpairs);

    free(my_data);
    return NULL;
}

void platform_stdev_deinit(void *platform)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    struct listnode *v_node = NULL, *temp_node = NULL, *gcs_node = NULL;
    struct listnode *temp_node1 = NULL, *temp_node2 = NULL, *module_node = NULL;
    struct listnode *arm_node = NULL, *lsm_node = NULL, *mk_node = NULL;
    struct st_vendor_info* v_info = NULL;
    struct st_gcs_params *gcs_info = NULL;
    struct meta_key_list *key_info = NULL;
    struct st_arm_ss_params *arm_info = NULL;
    struct st_lsm_ss_params *lsm_ss_info = NULL;
    struct st_lsm_params *lsm_info = NULL;
    struct st_module_params *module_info = NULL;

    ALOGI("%s: Enter", __func__);
    if (my_data) {
        list_for_each_safe(v_node, temp_node, &my_data->stdev->vendor_uuid_list) {
            v_info = node_to_item(v_node, struct st_vendor_info, list_node);

            /* remove and free the param structs */
            list_for_each_safe(arm_node, temp_node1, &v_info->arm_ss_usecase_list) {
                arm_info = node_to_item(arm_node, struct st_arm_ss_params, list_node);
                list_remove(arm_node);
                free(arm_info);
            }
            list_for_each_safe(lsm_node, temp_node1, &v_info->lsm_ss_usecase_list) {
                lsm_ss_info = node_to_item(lsm_node, struct st_lsm_ss_params, list_node);
                list_remove(lsm_node);
                free(lsm_ss_info);
            }
            list_for_each_safe(gcs_node, temp_node1, &v_info->gcs_usecase_list) {
                gcs_info = node_to_item(gcs_node, struct st_gcs_params, list_node);
                list_remove(gcs_node);
                free(gcs_info);
            }
            list_for_each_safe(lsm_node, temp_node1, &v_info->lsm_usecase_list) {
                lsm_info = node_to_item(lsm_node, struct st_lsm_params, list_node);
                list_remove(lsm_node);
                list_for_each_safe(module_node, temp_node2,
                    &lsm_info->module_params_list) {
                    module_info = node_to_item(module_node, struct st_module_params,
                        list_node);
                    list_remove(module_node);
                    free(module_info);
                }
                free(lsm_info);
            }

            list_remove(v_node);
            free(v_info);
        }

        list_for_each_safe(mk_node, temp_node, &my_data->acdb_meta_key_list) {
            key_info = node_to_item(mk_node, struct meta_key_list, list);
            list_remove(mk_node);
            free(key_info);
        }

        my_data->acdb_deinit();
        dlclose(my_data->acdb_handle);
        if (my_data->stdev->smlib_handle)
            dlclose(my_data->stdev->smlib_handle);
        if (my_data->stdev->mulaw_dec_lib_handle)
            dlclose(my_data->stdev->mulaw_dec_lib_handle);
        audio_route_free(my_data->stdev->audio_route);
        if (my_data->audio_hw_close_snd_mixer)
            my_data->audio_hw_close_snd_mixer(my_data->stdev->mixer);
        else
            mixer_close(my_data->stdev->mixer);
        if (my_data->hwdep_fd >= 0) {
            close(my_data->hwdep_fd);
            my_data->hwdep_fd = -1;
        }
        if (my_data->vad_hwdep_fd >= 0) {
            close(my_data->vad_hwdep_fd);
            my_data->vad_hwdep_fd = -1;
        }
        if (my_data->kvpairs)
            str_parms_destroy(my_data->kvpairs);

        if (my_data->stdev->is_gcs) {
            st_hw_gcs_deinit();
        }
        st_hw_pcm_deinit();

        if (my_data->be_dai_name_table)
            free((void *)my_data->be_dai_name_table);

        free(my_data);
    }
}

struct st_vendor_info* platform_stdev_get_vendor_info
(
   void *platform,
   sound_trigger_uuid_t *vendor_uuid
)
{
    struct listnode *v_node;
    struct st_vendor_info *v_info = NULL, *vendor_info = NULL;
    struct platform_data *my_data;
    sound_trigger_device_t *stdev;

    if (!platform || !vendor_uuid) {
        ALOGE("%s: NULL inputs", __func__);
        return NULL;
    }
    my_data = (struct platform_data *)platform;
    if (!my_data->stdev) {
        ALOGE("%s: platform stdev data is NULL", __func__);
        return NULL;
    }
    stdev = my_data->stdev;

    list_for_each(v_node, &stdev->vendor_uuid_list) {
        v_info = node_to_item(v_node, struct st_vendor_info, list_node);
        if (!memcmp(&v_info->uuid, vendor_uuid, sizeof(sound_trigger_uuid_t))) {
            ALOGV("%s: Matched uuid", __func__);
            vendor_info = v_info;
            break;
        }
    }

    return vendor_info;
}

static void check_and_append_device_name
(
   struct platform_data *my_data,
   char *device_name
)
{
    int alt_mixer_control_value = 0;
    char device_name_suffix[10];

    /* Alternate configuration is supported for quad mic currently.
     * Do not add suffix if bad mic channel index is not set.
     */
    if ((my_data->codec_backend_cfg.channel_count != SOUND_TRIGGER_CHANNEL_MODE_QUAD) ||
        (my_data->bad_mic_channel_index == 0)) {
        ALOGV("%s: No requirement to add suffix to device name", __func__);
        return;
    }

    switch (my_data->bad_mic_channel_index) {
    case BAD_MIC_CH_INDEX_0:
        alt_mixer_control_value = 1;
        break;
    case BAD_MIC_CH_INDEX_1:
        alt_mixer_control_value = 2;
        break;
    case BAD_MIC_CH_INDEX_2:
        alt_mixer_control_value = 3;
        break;
    case BAD_MIC_CH_INDEX_3:
    default:
        break;
    }

    if (alt_mixer_control_value) {
        snprintf(device_name_suffix, sizeof(device_name_suffix), "-alt%d",
                              alt_mixer_control_value);
        strlcat(device_name, device_name_suffix, DEVICE_NAME_MAX_SIZE);
        ALOGV("%s: appended device name %s", __func__, device_name);
    }
}

int platform_stdev_get_device_name
(
   void *platform,
   st_exec_mode_t exec_mode,
   st_device_t st_device,
   char *device_name
)
{
    struct platform_data *my_data = (struct platform_data *)platform;

    if ((st_device >= ST_DEVICE_MIN && st_device < ST_DEVICE_MAX) &&
        (exec_mode > ST_EXEC_MODE_NONE && exec_mode < ST_EXEC_MODE_MAX)) {
        strlcpy(device_name, st_device_table[exec_mode][st_device], DEVICE_NAME_MAX_SIZE);

        if ((strstr(my_data->codec_version, "WCD9335_1_0") ||
            strstr(my_data->codec_version, "WCD9335_1_1")) &&
            (exec_mode == ST_EXEC_MODE_CPE)) {
            strlcat(device_name, " low-speed-intf", DEVICE_NAME_MAX_SIZE);
        } else if (exec_mode == ST_EXEC_MODE_ADSP) {
            check_and_append_device_name(my_data, device_name);
        }
    } else {
        strlcpy(device_name, "", DEVICE_NAME_MAX_SIZE);
        return -EINVAL;
    }
    return 0;
}

static int get_st_device
(
   void *platform,
   struct st_vendor_info* v_info,
   audio_devices_t device,
   enum st_exec_mode exec_mode,
   bool for_cal
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    st_device_t st_device = ST_DEVICE_NONE;
    int channel_count = 0;

    switch (device) {
    case AUDIO_DEVICE_IN_WIRED_HEADSET:
        if ((ST_EXEC_MODE_CPE == exec_mode) ||
            (ST_EXEC_MODE_ADSP == exec_mode)) {
            if (my_data->stdev->lpi_enable)
                st_device = ST_DEVICE_HEADSET_MIC_LPI;
            else
                st_device = ST_DEVICE_HEADSET_MIC;
            break;
        }
    case AUDIO_DEVICE_IN_BUILTIN_MIC:
        if (ST_EXEC_MODE_CPE == exec_mode) {
            channel_count =
                get_channel_cnt_from_fluence_type(v_info->wdsp_fluence_type);

            if (v_info->sample_rate == SOUND_TRIGGER_SAMPLING_RATE_48000)
                st_device = ST_DEVICE_HANDSET_MIC_ECPP;
            else if (channel_count == SOUND_TRIGGER_CHANNEL_MODE_QUAD)
                st_device = ST_DEVICE_HANDSET_QMIC;
            else if (channel_count == SOUND_TRIGGER_CHANNEL_MODE_TRI)
                st_device = ST_DEVICE_HANDSET_TMIC;
            else if (channel_count == SOUND_TRIGGER_CHANNEL_MODE_STEREO)
                st_device = ST_DEVICE_HANDSET_DMIC;
            else
                st_device = ST_DEVICE_HANDSET_MIC;
        } else {
            /* ADSP/ARM mode */
            /* Though the same highest backend device is used for all concurrent
             * VA sessions, the calibration must be retrieved from
             * corresponding acdb device id the VA engine originally
             * configured for. For ex: SVA with QMIC acdb_id Vs Hotword
             * with DMIC acdb_id, where the calibration is kept in the
             * corresponding acdb_id.
             */
            if (for_cal) {
                if ((v_info->profile_type == ST_PROFILE_TYPE_FLUENCE) ||
                    (v_info->profile_type == ST_PROFILE_TYPE_FLUENCE_STEREO) ||
                    (v_info->profile_type == ST_PROFILE_TYPE_FFECNS)) {
                    channel_count =
                            get_channel_cnt_from_fluence_type(v_info->fluence_type);
                } else {
                    channel_count = v_info->in_channels;
                }
            } else {
                channel_count = my_data->codec_backend_cfg.channel_count;
            }
            if (channel_count == SOUND_TRIGGER_CHANNEL_MODE_OCT) {
                if (my_data->stdev->lpi_enable)
                    st_device = ST_DEVICE_HANDSET_8MIC_LPI;
                else
                    st_device = ST_DEVICE_HANDSET_8MIC;
            } else if (channel_count == SOUND_TRIGGER_CHANNEL_MODE_HEX) {
                if (my_data->stdev->lpi_enable)
                    st_device = ST_DEVICE_HANDSET_6MIC_LPI;
                else
                    st_device = ST_DEVICE_HANDSET_6MIC;
            } else if (channel_count == SOUND_TRIGGER_CHANNEL_MODE_QUAD) {
                if (my_data->stdev->lpi_enable)
                    st_device = ST_DEVICE_HANDSET_QMIC_LPI;
                else
                    st_device = ST_DEVICE_HANDSET_QMIC;
            } else if (channel_count == SOUND_TRIGGER_CHANNEL_MODE_TRI) {
                if (my_data->stdev->lpi_enable)
                    st_device = ST_DEVICE_HANDSET_TMIC_LPI;
                else
                    st_device = ST_DEVICE_HANDSET_TMIC;
            } else if (channel_count == SOUND_TRIGGER_CHANNEL_MODE_STEREO) {
                if (my_data->stdev->lpi_enable)
                    st_device = ST_DEVICE_HANDSET_DMIC_LPI;
                else
                    st_device = ST_DEVICE_HANDSET_DMIC;
            } else if (channel_count == SOUND_TRIGGER_CHANNEL_MODE_MONO) {
                if (my_data->stdev->lpi_enable)
                    st_device = ST_DEVICE_HANDSET_MIC;
                else
                    st_device = ST_DEVICE_HANDSET_MIC_PP;
            } else {
                ALOGE("%s: Invalid channel count %d", __func__, channel_count);
            }
        }
        break;
    default:
        ALOGD("%s: returing handset mic device", __func__);
        st_device = ST_DEVICE_HANDSET_MIC;
        break;
    }

    ALOGV("%s: sample_rate=%d st_device %d", __func__,
          v_info->sample_rate, st_device);
    return st_device;
}

int platform_stdev_get_device
(
    void *platform,
    struct st_vendor_info* v_info,
    audio_devices_t device,
    enum st_exec_mode exec_mode
)
{
    return get_st_device(platform, v_info, device, exec_mode, false);
}

int platform_stdev_get_device_for_cal
(
    void *platform,
    struct st_vendor_info* v_info,
    audio_devices_t device,
    enum st_exec_mode exec_mode
)
{
    return get_st_device(platform, v_info, device, exec_mode, true);
}

audio_devices_t platform_stdev_get_capture_device
(
   void *platform
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;
    audio_devices_t device = AUDIO_DEVICE_NONE;
    struct audio_device_info *item = NULL;
    struct listnode *node = NULL;

    if (platform_stdev_compare_device_type(&stdev->available_devices,
        AUDIO_DEVICE_IN_WIRED_HEADSET)) {
        device = AUDIO_DEVICE_IN_WIRED_HEADSET;
    } else if (platform_stdev_compare_device_type(&stdev->available_devices,
        AUDIO_DEVICE_IN_BUILTIN_MIC)) {
        device = AUDIO_DEVICE_IN_BUILTIN_MIC;
    }

    ALOGD("%s: Device = 0x%x", __func__, device);
    list_for_each (node, &stdev->available_devices) {
        item = node_to_item(node, struct audio_device_info, list);
        ALOGD("%s: Available device = 0x%x", __func__, item->type);
    }

    return device;
}

static int get_backend_index_from_name
(
    struct platform_data *my_data,
    const char *dai_name
)
{
    int backend_id = -1, i;

    if ((my_data->be_dai_name_table != NULL) &&
        (dai_name[0] != '\0')) {
        for (i = 0; i < my_data->max_be_dai_names; i++) {
            if (!strcmp(dai_name, my_data->be_dai_name_table[i].be_name)) {
                 backend_id = my_data->be_dai_name_table[i].be_id;
                 break;
            }
        }
    }
    return backend_id;
}

void platform_stdev_reset_backend_cfg(void *platform)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;
    struct  mixer_ctl *ctl;
    int backend_id;
    int vad_cfg[3] = {0};

    my_data->codec_backend_cfg.sample_rate = SOUND_TRIGGER_SAMPLING_RATE_48000;
    my_data->codec_backend_cfg.format = PCM_FORMAT_S16_LE;
    my_data->codec_backend_cfg.channel_count = SOUND_TRIGGER_CHANNEL_MODE_MONO;

    my_data->codec_backend_cfg.lpi_enable = false;
    ctl = mixer_get_ctl_by_name(stdev->mixer,
        my_data->codec_backend_cfg.lpi_mixer_ctl);
    if (!ctl) {
        ALOGV("%s: Could not get ctl for mixer command - %s",
            __func__, my_data->codec_backend_cfg.lpi_mixer_ctl);
    } else {
        ALOGD("%s: Setting %s to false",
            __func__, my_data->codec_backend_cfg.lpi_mixer_ctl);
        mixer_ctl_set_value(ctl, 0, (int)false);
    }

    my_data->codec_backend_cfg.vad_enable = false;
    my_data->codec_backend_cfg.vad_preroll = 0;
    backend_id = get_backend_index_from_name(my_data, my_data->backend_dai_name);
    if (backend_id >= 0) {
        ctl = mixer_get_ctl_by_name(stdev->mixer,
                    my_data->codec_backend_cfg.vad_mixer_ctl);
        if (ctl) {
            vad_cfg[0] = my_data->codec_backend_cfg.vad_enable;
            vad_cfg[1] = my_data->codec_backend_cfg.vad_preroll;
            vad_cfg[2] = backend_id;
            mixer_ctl_set_array(ctl, vad_cfg, sizeof(vad_cfg)/sizeof(vad_cfg[0]));
        } else {
            ALOGV("%s: Could not get ctl for mixer command - %s",
                  __func__, my_data->codec_backend_cfg.vad_mixer_ctl);
        }
    } else {
        ALOGE("%s: Could not get valid backend id(%d) to reset vad controls",
              __func__, backend_id);
    }
}

bool platform_get_lpi_mode(void *platform)
{
    struct platform_data *my_data = (struct platform_data *) platform;

    return my_data->codec_backend_cfg.lpi_enable;
}

int platform_get_lpi_st_device(int st_device)
{
    int lpi_device = st_device;

    switch (st_device) {
    case ST_DEVICE_HANDSET_DMIC:
        lpi_device = ST_DEVICE_HANDSET_DMIC_LPI;
        break;
    case ST_DEVICE_HANDSET_TMIC:
        lpi_device = ST_DEVICE_HANDSET_TMIC_LPI;
        break;
    case ST_DEVICE_HANDSET_QMIC:
        lpi_device = ST_DEVICE_HANDSET_QMIC_LPI;
        break;
    case ST_DEVICE_HEADSET_MIC:
        lpi_device = ST_DEVICE_HEADSET_MIC_LPI;
        break;
    default:
        ALOGV("%s: No need to convert device %d", __func__, st_device);
    }

    return lpi_device;
}

#ifdef SNDRV_IOCTL_HWDEP_VAD_CAL_TYPE
static int platform_stdev_send_hwvad_cal
(
   struct platform_data *my_data,
   int acdb_id
)
{
    int ret = 0;
    struct q6afecal_ioctl_buffer ioctl_buffer;
    struct hwdep_cal_param_data calib;
    char dev_name[50] = {0};
    int hwdep_fd = my_data->vad_hwdep_fd;

    if (hwdep_fd < 0) {
        ALOGE("%s: invalid fd for vad device '%s', cannot send cal", __func__, dev_name);
        return -1;
    }

    ATRACE_BEGIN("sthal: send_hwvad_cal");
    calib.acdb_id = acdb_id;
    calib.get_size = 1;
    ret = my_data->acdb_get_cal("vad_cal", sizeof(struct hwdep_cal_param_data),
                                                            &calib);
    if (ret < 0) {
        ATRACE_END();
        ALOGE("%s: get_calibration to get size failed", __func__);
        return ret;
    }

    calib.get_size = 0;
    calib.buff = malloc(calib.buff_size);
    if (!calib.buff) {
        ATRACE_END();
        ALOGE("%s: malloc calib of buff size %d failed",
                  __func__, calib.buff_size);
        return -ENOMEM;
    }

    ret = my_data->acdb_get_cal("vad_cal", sizeof(struct hwdep_cal_param_data),
                                                            &calib);
    if (ret < 0) {
        ATRACE_END();
        ALOGE("%s: get_calibration to get size failed", __func__);
        free(calib.buff);
        return ret;
    }

    ioctl_buffer.buffer = calib.buff;
    ioctl_buffer.size = calib.data_size;
    ioctl_buffer.cal_type = Q6AFE_VAD_CORE_CAL;
    ret = ioctl(hwdep_fd, SNDRV_IOCTL_HWDEP_VAD_CAL_TYPE, &ioctl_buffer);
    if (ret < 0) {
        ALOGE("%s: failed to call ioctl err=%d",__func__, errno);
    } else {
        ALOGD("%s hwvad cal sent for acdb_id (%d)", __func__, acdb_id);
    }

    free(calib.buff);
    ATRACE_END();
    return ret;
}
#else
static int platform_stdev_send_hwvad_cal
(
    struct platform_data *my_data __unused,
    int acdb_id __unused
)
{
    return -ENOSYS;
}
#endif

static int platform_stdev_send_hwmad_cal
(
   struct platform_data *my_data,
   int acdb_id
)
{
    int ret = 0;
    struct wcdcal_ioctl_buffer codec_buffer;
    struct hwdep_cal_param_data calib;
    int hwdep_fd = my_data->hwdep_fd;

    if (my_data->prev_acdb_id == acdb_id) {
        ALOGD("%s: previous acdb_id %d matches new acdb_id %d return",
              __func__, my_data->prev_acdb_id, acdb_id);
        return 0;
    }

    ATRACE_BEGIN("sthal: send_hwmad_cal");
    calib.acdb_id = acdb_id;
    calib.get_size = 1;
    ret = my_data->acdb_get_cal("mad_cal", sizeof(struct hwdep_cal_param_data),
                                                            &calib);
    if (ret < 0) {
        ATRACE_END();
        ALOGE("%s: get_calibration to get size failed", __func__);
        return ret;
    }

    calib.get_size = 0;
    calib.buff = malloc(calib.buff_size);
    if (!calib.buff) {
        ATRACE_END();
        ALOGE("%s: malloc calib of buff size %d failed",
                  __func__, calib.buff_size);
        return -ENOMEM;
    }

    ret = my_data->acdb_get_cal("mad_cal", sizeof(struct hwdep_cal_param_data),
                                                            &calib);
    if (ret < 0) {
        ATRACE_END();
        ALOGE("%s: get_calibration to get size failed", __func__);
        free(calib.buff);
        return ret;
    }

    codec_buffer.buffer = calib.buff;
    codec_buffer.size = calib.data_size;
    codec_buffer.cal_type = WCD9XXX_MAD_CAL;
    ret = ioctl(hwdep_fd, SNDRV_CTL_IOCTL_HWDEP_CAL_TYPE, &codec_buffer);
    if (ret < 0) {
        ALOGE("%s: failed to call ioctl err=%d",__func__, errno);
    } else {
        my_data->prev_acdb_id = acdb_id;
        ALOGD("%s hwmad cal sent for acdb_id (%d)", __func__, acdb_id);
    }

    free(calib.buff);
    ATRACE_END();
    return ret;
}

int platform_stdev_get_acdb_id
(
    st_device_t st_device,
    st_exec_mode_t exec_mode
)
{
    int acdb_id;

    acdb_id = acdb_device_table[exec_mode][st_device];
    if (acdb_id < 0) {
        ALOGE("%s: Could not find acdb id for device(%d)",
              __func__, st_device);
        return -EINVAL;
    }

    return acdb_id;
}

int platform_stdev_send_common_topology(void *platform)
{
    struct platform_data *my_data = (struct platform_data*)platform;

    return my_data->acdb_send_common_custom_topology();
}

int platform_stdev_send_calibration
(
    void *platform,
    audio_devices_t device,
    st_exec_mode_t exec_mode,
    struct st_vendor_info *v_info,
    int app_id,
    bool use_topology,
    st_cal_type type
)
{
    return platform_stdev_send_calibration_v2(platform, device, exec_mode,
                                              v_info, app_id, use_topology,
                                              type, ST_CAL_INDEX_0);
}

int platform_stdev_send_calibration_v2
(
    void *platform,
    audio_devices_t device,
    st_exec_mode_t exec_mode,
    struct st_vendor_info *v_info,
    int app_id,
    bool use_topology,
    st_cal_type type,
    int cal_index
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    int acdb_id;
    st_device_t st_device;
    int status = 0;
    int hw_type, cal_mode, sample_rate;

    st_device = get_st_device(my_data, v_info, device, exec_mode, true);
    if (st_device == ST_DEVICE_NONE) {
        ALOGE("%s: Could not find valid device",__func__);
        return -EINVAL;
    }

    acdb_id = acdb_device_table[exec_mode][st_device];
    if (acdb_id < 0) {
        ALOGE("%s: Could not find acdb id for device(%d)",
              __func__, st_device);
        return -EINVAL;
    }
    hw_type = (exec_mode == ST_EXEC_MODE_CPE) ? 0 : 1;

    switch (type) {
    case ST_SESSION_CAL:
        if (my_data->acdb_send_lsm_cal_v1) {
            ALOGD("%s: sending lsm cal for device(%d) acdb_id(%d) index(%d) app_id(%d)",
                  __func__, st_device, acdb_id, cal_index, app_id);
            /* ACDB modes: topology=1, non-topology=0 */
            ATRACE_BEGIN("sthal: acdb_send_lsm_cal_v1");
            status = my_data->acdb_send_lsm_cal_v1(acdb_id, app_id,
                                                (use_topology == true),
                                                hw_type, cal_index);
            ATRACE_END();
        } else {
            if (cal_index != ST_CAL_INDEX_0) {
                ALOGE("%s: no api to send cal with index(%d) for device(%d) acdbid(%d) app_id(%d)",
                      __func__, cal_index, st_device, acdb_id, app_id);
                return -EINVAL;
            }
            ALOGD("%s: sending lsm calibration for device(%d) acdb_id(%d) app_id(%d)",
                                             __func__, st_device, acdb_id, app_id);
            /* ACDB modes: topology=1, non-topology=0 */
            ATRACE_BEGIN("sthal: acdb_send_lsm_cal");
            status = my_data->acdb_send_lsm_cal(acdb_id, app_id,
                                                (use_topology == true),
                                                hw_type);
            ATRACE_END();
        }
        break;

    case ST_DEVICE_CAL:
        sample_rate = platform_stdev_get_device_sample_rate(my_data,
                                                         v_info->profile_type);

        if (platform_stdev_is_hwmad_backend(platform, st_device, exec_mode)) {
            if (platform_stdev_send_hwmad_cal(platform, acdb_id))
                return -EINVAL;
        } else if (my_data->codec_backend_cfg.vad_enable == true) {
            if (platform_stdev_send_hwvad_cal(platform, acdb_id))
                return -EINVAL;
        }

        if (my_data->acdb_send_device_cal_v1) {
            /* 0: non-persistent, 1: persistent */
            cal_mode = (v_info->profile_type == ST_PROFILE_TYPE_FFECNS) ? 1 : 0;
            ALOGD("%s: send dev cal for device(%d) acdb_id(%d) cal_mode(%d) app_id(%d)",
                  __func__, st_device, acdb_id, cal_mode, app_id);
            ATRACE_BEGIN("sthal: acdb_send_device_cal_v1");
            my_data->acdb_send_device_cal_v1(acdb_id, hw_type, app_id,
                                             sample_rate, cal_mode);
            ATRACE_END();
        } else if (my_data->acdb_send_device_cal) {
            ALOGD("%s: sending device calibration for device(%d) acdb_id(%d) app_id %d",
                  __func__, st_device, acdb_id, app_id);
            ATRACE_BEGIN("sthal: acdb_send_device_cal");
            my_data->acdb_send_device_cal(acdb_id, hw_type, app_id, sample_rate);
            ATRACE_END();
        }
        break;

    default:
        ALOGE("%s: invalid cal type %d",__func__,type);
        return -EINVAL;
    }

    return status;
}

bool platform_stdev_check_and_update_concurrency
(
   void *platform,
   audio_event_type_t event_type,
   audio_event_info_t* config,
   unsigned int num_sessions
)
{
    struct platform_data *my_data;
    sound_trigger_device_t *stdev;
    bool concurrency_ses_allowed = true;

    if (!platform) {
        ALOGE("%s: NULL platform", __func__);
        return false;
    }
    my_data = (struct platform_data *)platform;
    if (!my_data->stdev) {
        ALOGE("%s: platform stdev data is NULL", __func__);
        return false;
    }
    stdev = my_data->stdev;

    if (event_type == AUDIO_EVENT_CAPTURE_DEVICE_ACTIVE ||
        event_type == AUDIO_EVENT_CAPTURE_DEVICE_INACTIVE) {
        /* handle CAPTURE_DEVICE events */
        ALOGI("%s: Received DEVICE event, event type %d, usecase type %d",
              __func__, event_type, config->u.usecase.type);
        /*
         * for device status events, if:
         * 1. conc audio disabled - return with false to disable VA sessions
         * 2. conc audio enabled - due to use case type unknown, return with
         *    current decision
         */
        switch (event_type) {
            case AUDIO_EVENT_CAPTURE_DEVICE_ACTIVE:
                stdev->tx_concurrency_active++;
                switch (config->u.usecase.type) {
                    case USECASE_TYPE_VOICE_CALL:
                        stdev->conc_voice_active = true;
                        break;
                    case USECASE_TYPE_VOIP_CALL:
                        stdev->conc_voip_active = true;
                        break;
                    default:
                        break;
                }
                break;
            case AUDIO_EVENT_CAPTURE_DEVICE_INACTIVE:
                if (stdev->tx_concurrency_active > 0)
                    stdev->tx_concurrency_active--;
                switch (config->u.usecase.type) {
                    case USECASE_TYPE_VOICE_CALL:
                        stdev->conc_voice_active = false;
                        break;
                    case USECASE_TYPE_VOIP_CALL:
                        stdev->conc_voip_active = false;
                        break;
                    default:
                        break;
                }
                break;
            default:
                break;
        }
        if (stdev->conc_capture_supported)
            concurrency_ses_allowed = stdev->session_allowed;
        else if (stdev->tx_concurrency_active > 0)
            concurrency_ses_allowed = false;
    } else {
        /* handle CAPTURE_STREAM events */
        ALOGI("%s: Received STREAM event, event type %d, usecase type %d",
              __func__, event_type, config->u.usecase.type);
        switch (event_type) {
            case AUDIO_EVENT_PLAYBACK_STREAM_ACTIVE:
                    stdev->rx_concurrency_active++;
                break;
            case AUDIO_EVENT_PLAYBACK_STREAM_INACTIVE:
                if (stdev->rx_concurrency_active > 0)
                    stdev->rx_concurrency_active--;
                break;
            default:
                break;
        }
        if (event_type == AUDIO_EVENT_PLAYBACK_STREAM_ACTIVE ||
            event_type == AUDIO_EVENT_PLAYBACK_STREAM_INACTIVE) {
            if (stdev->rx_concurrency_disabled &&
                stdev->rx_concurrency_active > 0 &&
                num_sessions > stdev->rx_conc_max_st_ses)
                concurrency_ses_allowed = false;
        }
        if (concurrency_ses_allowed) {
            if ((!stdev->conc_capture_supported &&
                 stdev->tx_concurrency_active > 0) ||
                (stdev->conc_capture_supported &&
                 ((!stdev->conc_voice_call_supported && stdev->conc_voice_active) ||
                  (!stdev->conc_voip_call_supported && stdev->conc_voip_active))))
                concurrency_ses_allowed = false;
        }
    }

    /*
     * This disablement of VOIP/Voice flags is needed for the following usecase:
     *
     * 1. VOIP/Voice and AR active.
     * 2. VOIP/Voice stops - AHAL sends stream inactive events for each stream,
     *    followed by the shared device inactive and device active events which
     *    both have VOIP/voice usecase, followed by one stream active event for AR.
     * 3. AR stops - stream and device inactive events with pcm capture usecase.
     *
     * In this usecase the VOIP/voice flags get stuck set to true, so reset them here.
     */
    if (stdev->tx_concurrency_active == 0) {
        stdev->conc_voice_active = false;
        stdev->conc_voip_active = false;
    }

    ALOGD("%s: dedicated path %d, reset backend %d, tx %d, rx %d,"
          " concurrency session%s allowed",
          __func__, platform_stdev_is_dedicated_sva_path(stdev->platform),
          stdev->reset_backend, stdev->tx_concurrency_active,
          stdev->rx_concurrency_active, concurrency_ses_allowed? "" : " not");

    return concurrency_ses_allowed;
}

void platform_stdev_check_and_update_pcm_config
(
   struct pcm_config *config,
   struct st_vendor_info *v_info
)
{
    /* Update config with params in vendor info */
    config->rate = v_info->sample_rate;
    config->format = v_info->format;
    config->channels = v_info->out_channels;
}

int platform_stdev_connect_mad
(
   void *platform,
   st_exec_mode_t mode,
   st_profile_type_t profile_type
)
{
    /* This mixer control is only valid for CPE supported codec */
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;
    int status = 0;
    struct mixer_ctl *ctl = NULL;
    const char *mixer_ctl_name = "MAD_SEL MUX";

    if (stdev->disable_hwmad || stdev->sw_mad ||
        (mode == ST_EXEC_MODE_NONE) || (mode == ST_EXEC_MODE_ARM) ||
        ((mode == ST_EXEC_MODE_ADSP) &&
         (profile_type != ST_PROFILE_TYPE_NONE)))
        return 0;

    ctl = mixer_get_ctl_by_name(stdev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: ERROR. Could not get ctl for mixer cmd - %s",
        __func__, mixer_ctl_name);
        return -EINVAL;
    }
    if (mode == ST_EXEC_MODE_ADSP)
        status = mixer_ctl_set_enum_by_string(ctl, "MSM");
    else
        status = mixer_ctl_set_enum_by_string(ctl, "SPE");

    if (status)
        ALOGE("%s: ERROR. Mixer ctl set failed", __func__);

    return status;
}

int platform_stdev_get_hw_type(void *platform)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;

    int dev_id;
    unsigned int i = 0, j = 0, k = 0;
    char comp_string[USECASE_STRING_SIZE];
    char *line = NULL;
    size_t len = 0;
    FILE *fp;

    fp = fopen(PCM_DEVICE_FILE, "r");

    if (!fp) {
        ALOGE("%s: ERROR. %s file open failed", __func__, PCM_DEVICE_FILE);
        return -ENODEV;
    }
    snprintf(comp_string, USECASE_STRING_SIZE, "Listen %d Audio Service", i+1);

    while(getline(&line, &len, fp) != -1) {
        if (strstr(line, comp_string) && (i < stdev->max_ape_sessions)) {
            stdev->hw_type |= ST_DEVICE_HW_APE;
            snprintf(stdev->ape_pcm_use_cases[i].use_case,
                     USECASE_STRING_SIZE, "listen-voice-wakeup-%d", i+1);

            if (sscanf(&line[3], "%d", &dev_id) == 1)
                stdev->ape_pcm_use_cases[i++].pcm_id = dev_id;
            else
                ALOGE("%s: ERROR. adsp pcm dev_id parse failed", __func__);

            snprintf(comp_string, USECASE_STRING_SIZE, "Listen %d Audio Service", i+1);
        } else if (strstr(line, CAPTURE_PCM_USECASE_STRING)) {
            stdev->hw_type |= ST_DEVICE_HW_ARM;
            if (sscanf(&line[3], "%d", &dev_id) == 1)
                stdev->arm_pcm_use_cases[CAPTURE_PCM_USECASE_INDEX].pcm_id = dev_id;
            else
                ALOGE("%s: ERROR. arm pcm dev_id parse failed", __func__);

            strlcpy(stdev->arm_pcm_use_cases[CAPTURE_PCM_USECASE_INDEX].use_case,
                    CAPTURE_PCM_USECASE_PATH, USECASE_STRING_SIZE);
            k++;
        } else if (strstr(line, CAPTURE_EC_REF_USECASE_STRING)) {
            if (sscanf(&line[3], "%d", &dev_id) == 1)
                stdev->arm_pcm_use_cases[CAPTURE_EC_REF_USECASE_INDEX].pcm_id = dev_id;
            else
                ALOGE("%s: ERROR. arm pcm dev_id parse failed", __func__);

            strlcpy(stdev->arm_pcm_use_cases[CAPTURE_EC_REF_USECASE_INDEX].use_case,
                    CAPTURE_EC_REF_USECASE_PATH, USECASE_STRING_SIZE);
        }
    }

    free(line);
    fclose(fp);

    if (!CHECK_BIT(stdev->hw_type,
            ST_DEVICE_HW_APE|ST_DEVICE_HW_CPE|ST_DEVICE_HW_ARM)) {
        ALOGE("%s: ERROR. No Listen device present", __func__);
        return -ENODEV;
    }

    if (stdev->max_ape_sessions > i) {
        ALOGW("%s: max_ape_sessions platform configured=%d > driver supported=%d",
              __func__, stdev->max_ape_sessions, i);
        stdev->max_ape_sessions = i;
    }
    if (stdev->max_cpe_sessions > j) {
        ALOGW("%s: max_cpe_sessions platform configured=%d > driver supported=%d",
              __func__, stdev->max_cpe_sessions, j);
        stdev->max_cpe_sessions = j;
    }
    if (stdev->max_arm_sessions > k) {
        ALOGW("%s: max_arm_sessions platform configured=%d > driver supported=%d",
              __func__, stdev->max_arm_sessions, k);
        stdev->max_arm_sessions = k;
    }

    return 0;
}

int platform_ape_get_pcm_device_id
(
   void *platform,
   unsigned int* use_case_idx
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;
    unsigned int i;
    int ret = -1;

    for (i = 0; i < stdev->max_ape_sessions; i++) {
        if (!stdev->ape_pcm_use_cases[i].active) {
            stdev->ape_pcm_use_cases[i].active = true;
            ret = stdev->ape_pcm_use_cases[i].pcm_id;
            *use_case_idx = i;
            break;
        }
    }
    if (ret < 0)
        ALOGE("%s: ERROR. no free pcm device available", __func__);

    return ret;
}

void platform_ape_free_pcm_device_id
(
   void *platform,
   int pcm_id
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;
    unsigned int i;

    for (i = 0; i < stdev->max_ape_sessions; i++) {
        if (stdev->ape_pcm_use_cases[i].pcm_id == pcm_id) {
            stdev->ape_pcm_use_cases[i].active = false;
            break;
        }
    }
}

int platform_arm_get_pcm_device_id
(
   void *platform,
   unsigned int* use_case_idx,
   bool ec_ref_dev
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;
    unsigned int i = CAPTURE_PCM_USECASE_INDEX;
    int ret = -1;

    if (ec_ref_dev)
        i = CAPTURE_EC_REF_USECASE_INDEX;

    if (!stdev->arm_pcm_use_cases[i].active) {
        stdev->arm_pcm_use_cases[i].active = true;
        ret = stdev->arm_pcm_use_cases[i].pcm_id;
        *use_case_idx = i;
    }
    if (ret < 0)
        ALOGE("%s: ERROR. no free pcm device available", __func__);

    return ret;
}

void platform_arm_free_pcm_device_id
(
   void *platform,
   int pcm_id,
   bool ec_ref_dev
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;
    unsigned int i = CAPTURE_PCM_USECASE_INDEX;

    if (ec_ref_dev)
        i = CAPTURE_EC_REF_USECASE_INDEX;

    if (stdev->arm_pcm_use_cases[i].pcm_id == pcm_id)
        stdev->arm_pcm_use_cases[i].active = false;
}

struct st_ss_usecase platform_get_ss_usecase
(
    struct st_vendor_info *v_info,
    listen_model_indicator_enum sm_id
)
{
    struct  st_ss_usecase usecase;
    struct listnode *node, *temp;

    ALOGV("%s: Enter", __func__);

    usecase.type = ST_SS_USECASE_TYPE_NONE;
    if (!v_info) {
        ALOGE("%s: received null params", __func__);
        return usecase;
    }

    if (!list_empty(&v_info->arm_ss_usecase_list)) {
        list_for_each_safe(node, temp, &v_info->arm_ss_usecase_list) {
            usecase.arm = node_to_item(node, struct st_arm_ss_params, list_node);
            if (usecase.arm->common_params.sm_id == sm_id) {
                usecase.type = ST_SS_USECASE_TYPE_ARM;
                return usecase;
            }
        }
    }

    if (!list_empty(&v_info->lsm_ss_usecase_list)) {
        list_for_each_safe(node, temp, &v_info->lsm_ss_usecase_list) {
            usecase.lsm = node_to_item(node, struct st_lsm_ss_params, list_node);
            if (usecase.lsm->common_params.sm_id == sm_id) {
                usecase.type = ST_SS_USECASE_TYPE_LSM;
                return usecase;
            }
        }
    }

    ALOGE("%s: Found no matching second stage session type", __func__);
    return usecase;
}

void platform_alloc_gcs_usecase
(
    void *platform,
    struct st_vendor_info *v_info,
    struct st_gcs_params **gcs_usecase,
    unsigned int acdb_id
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    struct st_gcs_params *usecase = NULL;
    struct listnode *gcs_node, *node;
    int i;

    ALOGV("%s: enter", __func__);

    if (!v_info || !gcs_usecase) {
        ALOGE("%s: received null params", __func__);
        return;
    }

    if (list_empty(&v_info->gcs_usecase_list)) {
        *gcs_usecase = NULL;
        ALOGE("%s: gcs usecase not available", __func__);
        return;
    }

    if (my_data->xml_version >= PLATFORM_XML_VERSION_0x0102) {
        list_for_each_safe(gcs_node, node, &v_info->gcs_usecase_list) {
            usecase = node_to_item(gcs_node, struct st_gcs_params, list_node);
            i = 0;
            while ((i < MAX_GCS_USECASE_ACDB_IDS) && usecase->acdb_ids[i]) {
                if (usecase->acdb_ids[i] == acdb_id) {
                    *gcs_usecase = usecase;
                    list_remove(gcs_node);
                    return;
                }
                i++;
            }
        }
        ALOGE("%s: Found no matching acdb id", __func__);
        *gcs_usecase = NULL;
    } else {
        gcs_node = list_head(&v_info->gcs_usecase_list);
        *gcs_usecase = node_to_item(gcs_node, struct st_gcs_params, list_node);
        list_remove(gcs_node);
    }
}

void platform_free_gcs_usecase
(
    struct st_vendor_info *v_info,
    struct st_gcs_params *gcs_usecase
)
{
    ALOGV("%s: enter", __func__);

    if (!v_info || !gcs_usecase) {
        ALOGE("%s: received null params", __func__);
        return;
    }

    list_add_head(&v_info->gcs_usecase_list, &gcs_usecase->list_node);
}

static int get_shared_buf_fmt
(
    st_profile_type_t profile
)
{
    int ret = ST_SHARED_BUF_RAW;

    switch (profile) {
    case ST_PROFILE_TYPE_FLUENCE:
    case ST_PROFILE_TYPE_FLUENCE_STEREO:
    case ST_PROFILE_TYPE_FFECNS:
        ret = ST_SHARED_BUF_PROCESSED;
        break;
    default:
        ret = ST_SHARED_BUF_RAW;
    }

    return ret;
}

static int platform_get_module_params_for_lsm_usecase
(
    struct st_lsm_params *usecase,
    st_module_type_t sm_version
)
{
    struct listnode *module_node = NULL, *tmp_node = NULL;
    struct st_module_params *module_info = NULL;

    list_for_each_safe(module_node, tmp_node, &usecase->module_params_list) {
        module_info = node_to_item(module_node, struct st_module_params,
            list_node);
        if (module_info->type == sm_version) {
            memcpy((uint8_t *)usecase->params, (uint8_t *)module_info->params,
                sizeof(struct st_module_param_info) * MAX_PARAM_IDS);
            usecase->param_tag_tracker = module_info->param_tag_tracker;
            return 0;
        }
    }

    return -EINVAL;
}

int platform_get_lsm_usecase
(
   void* platform,
   struct st_vendor_info* v_info,
   struct st_lsm_params* lsm_usecase,
   st_exec_mode_t exec_mode,
   bool lpi_enable,
   st_module_type_t sm_version
)
{
    struct st_lsm_params *usecase = NULL;
    struct listnode *lsm_node = NULL, *node = NULL;
    struct platform_data *my_data = (struct platform_data *)platform;
    audio_devices_t capture_device =
        platform_stdev_get_capture_device(platform);
    sound_trigger_device_t *stdev = my_data->stdev;
    int status = 0;

    ALOGV("%s: Enter", __func__);

    if (!v_info || !lsm_usecase) {
        ALOGE("%s: received null params", __func__);
        return -EINVAL;
    }

    if (list_empty(&v_info->lsm_usecase_list)) {
        ALOGE("%s: lsm usecase not available", __func__);
        return -EINVAL;
    }

    list_for_each_safe(lsm_node, node, &v_info->lsm_usecase_list) {
        usecase = node_to_item(lsm_node, struct st_lsm_params, list_node);
        if (usecase->exec_mode == exec_mode) {
            if (my_data->xml_version >= PLATFORM_XML_VERSION_0x0105) {
                /*
                 * When the capture device matches, the lsm_usecase with the
                 * following lpi_mode will be selected:
                 *
                 * ST_PLATFORM_LPI_NONE, when no lpi_mode is present.
                 *
                 * ST_PLATFORM_LPI_ENABLE, when lpi_enable is true.
                 *
                 * ST_PLATFORM_LPI_DISABLE_AND_BARGE_IN, when lpi_enable is
                 * false and either no lsm_usecase with ST_PLATFORM_LPI_DISABLE
                 * is present or barge_in_mode is active.
                 *
                 * ST_PLATFORM_LPI_DISABLE, when lpi_enable is false and an
                 * lsm_usecase with this lpi_mode is present and barge_in_mode
                 * is inactive.
                 */
                if (capture_device == usecase->capture_device &&
                    (usecase->lpi_enable == ST_PLATFORM_LPI_NONE ||
                     (usecase->lpi_enable == ST_PLATFORM_LPI_ENABLE &&
                      lpi_enable) ||
                     (usecase->lpi_enable ==
                      ST_PLATFORM_LPI_DISABLE_AND_BARGE_IN && !lpi_enable &&
                      (stdev->support_dynamic_ec_update ||
                       stdev->barge_in_mode)) ||
                     (usecase->lpi_enable == ST_PLATFORM_LPI_DISABLE &&
                      !lpi_enable && !stdev->barge_in_mode))) {
                    if (my_data->xml_version == PLATFORM_XML_VERSION_0x0106) {
                        status = platform_get_module_params_for_lsm_usecase(usecase,
                            sm_version);
                        if (status) {
                            ALOGE("%s: Error. No matching module info params.",
                                __func__);
                            return status;
                        }
                    }
                    memcpy((uint8_t *)lsm_usecase, (uint8_t *)usecase,
                        sizeof(struct st_lsm_params));
                    v_info->in_channels = usecase->in_channels;
                    v_info->fluence_type = usecase->fluence_type;
                    v_info->profile_type = usecase->adm_cfg_profile;
                    v_info->shared_buf_fmt =
                        get_shared_buf_fmt(v_info->profile_type);
                    if (sm_version == ST_MODULE_TYPE_PDK5)
                        v_info->app_type = usecase->pdk5_app_type;
                    else
                        v_info->app_type = usecase->app_type;
                    return status;
                }
            } else {
                /* Same lsm usecase will be used for multiple sessions */
                memcpy((uint8_t *)lsm_usecase, (uint8_t *)usecase,
                    sizeof(struct st_lsm_params));
                v_info->in_channels = usecase->in_channels;
                return status;
            }
        }
    }
    ALOGE("%s: No lsm usecase found for exec_mode %d", __func__, exec_mode);
    return -EINVAL;
}

int platform_stdev_get_backend_channel_count
(
    void *platform __unused,
    const struct st_vendor_info *v_info
)
{
    /*
     * Channel count for backend is determined from configuration of
     * lsm session except in case of fluence profile.
     * In case of fluence, backend configuration is obtained from
     * fluence type set.
     */
    if ((v_info->profile_type == ST_PROFILE_TYPE_FLUENCE) ||
        (v_info->profile_type == ST_PROFILE_TYPE_FLUENCE_STEREO) ||
        (v_info->profile_type == ST_PROFILE_TYPE_FFECNS))
        return get_channel_cnt_from_fluence_type(v_info->fluence_type);

    return v_info->in_channels;
}

static int check_and_set_codec_backend_cfg
(
   void *platform,
   struct st_vendor_info *v_info,
   bool *backend_cfg_change,
   bool force,
   bool lpi_enable,
   bool vad_enable,
   int vad_preroll
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;
    struct  mixer_ctl *ctl;
    int channel_count;
    char *sample_rate = "KHZ_16";
    bool set_sample_rate = false;

    if (!backend_cfg_change) {
        ALOGE("%s: NULL backend", __func__);
        return -EINVAL;
    }

    *backend_cfg_change = false;

    if (!v_info)
        return 0;

    if (force || (v_info->format != my_data->codec_backend_cfg.format)) {
        if (my_data->codec_backend_cfg.format_mixer_ctl &&
            (force || (my_data->codec_backend_cfg.format != PCM_FORMAT_S24_LE))) {
            ctl = mixer_get_ctl_by_name(stdev->mixer,
                        my_data->codec_backend_cfg.format_mixer_ctl);
            if (!ctl) {
                ALOGE("%s: Could not get ctl for mixer command - %s",
                      __func__, my_data->codec_backend_cfg.format_mixer_ctl);
                return -EINVAL;
            }

            if (v_info->format == PCM_FORMAT_S24_LE) {
                mixer_ctl_set_enum_by_string(ctl, "S24_LE");
            } else if (v_info->format == PCM_FORMAT_S16_LE) {
                mixer_ctl_set_enum_by_string(ctl, "S16_LE");
            } else {
                ALOGE("%s: Invalid format %d", __func__, v_info->format);
                return -EINVAL;
            }
            *backend_cfg_change = true;
            my_data->codec_backend_cfg.format = v_info->format;
        }
    }

    channel_count = platform_stdev_get_backend_channel_count(platform, v_info);
    ALOGV("%s: check new ch count %d against backend ch count %d",
          __func__, channel_count, my_data->codec_backend_cfg.channel_count);
    if (force || (channel_count > my_data->codec_backend_cfg.channel_count)) {
        *backend_cfg_change = true;
        my_data->codec_backend_cfg.channel_count = channel_count;
    }

    ALOGV("%s: check new lpi_state %d against backend lpi_state %d",
          __func__, lpi_enable, my_data->codec_backend_cfg.lpi_enable);
    if (my_data->codec_backend_cfg.lpi_enable != lpi_enable) {
        my_data->codec_backend_cfg.lpi_enable = lpi_enable;
        ctl = mixer_get_ctl_by_name(stdev->mixer,
                 my_data->codec_backend_cfg.lpi_mixer_ctl);
        if (ctl) {
            ALOGD("%s: Setting %s to %s",
                __func__, my_data->codec_backend_cfg.lpi_mixer_ctl,
                lpi_enable ? "true" : "false");
            mixer_ctl_set_value(ctl, 0, (int)lpi_enable);
            *backend_cfg_change = true;
            set_sample_rate = my_data->codec_backend_cfg.lpi_enable;
        } else {
            ALOGV("%s: Could not get ctl for mixer command - %s",
                __func__, my_data->codec_backend_cfg.lpi_mixer_ctl);
        }
    }

    ALOGV("%s: check (proposed/current) state: vad(%d/%d) preroll(%d/%d), forced(%d)",
          __func__, vad_enable, my_data->codec_backend_cfg.vad_enable,
          vad_preroll, my_data->codec_backend_cfg.vad_preroll, force);
    if (force || my_data->codec_backend_cfg.vad_enable != vad_enable ||
        (vad_enable && (my_data->codec_backend_cfg.vad_preroll < vad_preroll))) {
        int backend_id;
        int vad_cfg[3] = {0};

        backend_id = get_backend_index_from_name(my_data, my_data->backend_dai_name);
        if (backend_id < 0) {
            ALOGE("%s: Could not get valid backend id(%d)", __func__, backend_id);
            return -EINVAL;
        }

        ctl = mixer_get_ctl_by_name(stdev->mixer,
                    my_data->codec_backend_cfg.vad_mixer_ctl);
        if (ctl) {
            my_data->codec_backend_cfg.vad_enable = vad_enable;
            if (force || my_data->codec_backend_cfg.vad_preroll < vad_preroll)
                my_data->codec_backend_cfg.vad_preroll = vad_preroll;

            vad_cfg[0] = my_data->codec_backend_cfg.vad_enable;
            vad_cfg[1] = my_data->codec_backend_cfg.vad_preroll;
            vad_cfg[2] = backend_id;
            mixer_ctl_set_array(ctl, vad_cfg,
                sizeof(vad_cfg)/sizeof(vad_cfg[0]));
            *backend_cfg_change = true;
            set_sample_rate = (set_sample_rate ||
                my_data->codec_backend_cfg.vad_enable);
        } else {
            ALOGV("%s: Could not get ctl for mixer command - %s",
                __func__, my_data->codec_backend_cfg.vad_mixer_ctl);
        }
    }

    /*
     * LPI and VAD both mandate AFE sample rate to be 16 KHz.
     * TODO: make it generic enough to handle concurrency with audio hal.
     */
    if (set_sample_rate) {
        ctl = mixer_get_ctl_by_name(stdev->mixer,
                my_data->codec_backend_cfg.samplerate_mixer_ctl);
        if (ctl) {
            mixer_ctl_set_enum_by_string(ctl, sample_rate);
        } else {
            ALOGE("%s: Could not get ctl for mixer command - %s",
                __func__,
                my_data->codec_backend_cfg.samplerate_mixer_ctl);
            return -EINVAL;
        }
    }
    return 0;
}

int platform_stdev_check_and_set_codec_backend_cfg
(
    void *platform,
    struct st_vendor_info *v_info,
    bool *backend_cfg_change,
    bool lpi_enable,
    bool vad_enable,
    int vad_preroll
)
{
    return check_and_set_codec_backend_cfg(platform, v_info,
                                           backend_cfg_change,
                                           false, /* force */
                                           lpi_enable, vad_enable, vad_preroll);
}

int platform_stdev_set_codec_backend_cfg
(
    void *platform,
    struct st_vendor_info *v_info,
    bool lpi_enable,
    bool vad_enable,
    int vad_preroll
)
{
    bool backend_cfg_change;

    return check_and_set_codec_backend_cfg(platform, v_info,
                                           &backend_cfg_change,
                                           true, /* force */
                                           lpi_enable, vad_enable, vad_preroll);
}

int platform_stdev_set_shared_buf_fmt
(
   void *platform,
   int pcm_id,
   int shared_buf_fmt
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;
    char mixer_ctl_name[ST_MAX_LENGTH_MIXER_CONTROL];
    struct mixer_ctl *ctl = NULL;

    snprintf(mixer_ctl_name, sizeof(mixer_ctl_name),
             "Listen Stream %d Unprocessed Data", pcm_id);
    ctl = mixer_get_ctl_by_name(stdev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: ERROR. Could not get ctl for mixer cmd - %s",
            __func__, mixer_ctl_name);
        return -EINVAL;
    }

    mixer_ctl_set_value(ctl, 0, shared_buf_fmt);

    return 0;
}

int platform_stdev_send_stream_app_type_cfg
(
   void *platform,
   int pcm_id,
   st_device_t st_device,
   st_exec_mode_t exec_mode,
   st_profile_type_t profile_type
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;
    char mixer_ctl_name[ST_MAX_LENGTH_MIXER_CONTROL];
    int app_type_cfg[ST_MAX_LENGTH_MIXER_CONTROL] = {0};
    int len = 0;
    struct mixer_ctl *ctl;
    int status = 0, acdb_id;
    struct listnode *p_node, *temp_node;
    struct adm_cfg_info *cfg_info;
    bool found_profile = false;
    int st_device_be_idx = -EINVAL;

    if (!stdev->lpi_enable && (profile_type == ST_PROFILE_TYPE_NONE)) {
        ALOGV("%s: Profile set to None, ignore sending app type cfg",__func__);
        goto exit;
    }

    if (st_device == ST_DEVICE_NONE) {
        ALOGE("%s: Invalid device sent",__func__);
        status = -EINVAL;
        goto exit;
    }

    acdb_id = acdb_device_table[exec_mode][st_device];
    if (acdb_id < 0) {
        ALOGE("%s: Could not find acdb id for device(%d)",
              __func__, st_device);
        status = -EINVAL;
        goto exit;
    }

    st_device_be_idx = get_st_device_backend_index(my_data, st_device);
    if (st_device_be_idx < 0)
        ALOGE("%s: Couldn't get backend index for device %d ret = %d",
              __func__, st_device, st_device_be_idx);

    snprintf(mixer_ctl_name, sizeof(mixer_ctl_name),
             "Listen Stream %d App Type Cfg", pcm_id);
    ctl = mixer_get_ctl_by_name(stdev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: ERROR. Could not get ctl for mixer cmd - %s",
        __func__, mixer_ctl_name);
        status = -EINVAL;
        goto exit;
    }

    if (stdev->lpi_enable) {
        /*
         * Though app_type_cfg is for ADM connection, driver needs atleast LPI
         * acdb id  to avoid sending a cached non-lpi acdb stale topology of any
         * concurrent audio use case for SVA LPI use case.
         */
        ALOGD("%s: send Stream App Type Cfg for LPI",__func__);
        found_profile = true;
        app_type_cfg[len++] = 0;
        app_type_cfg[len++] = acdb_id;
        app_type_cfg[len++] = SOUND_TRIGGER_SAMPLING_RATE_16000;
        if (st_device_be_idx >= 0)
            app_type_cfg[len++] = st_device_be_idx;
    } else {
        list_for_each_safe(p_node, temp_node, &stdev->adm_cfg_list) {
            cfg_info = node_to_item(p_node, struct adm_cfg_info, list_node);
            if (cfg_info->profile_type == profile_type) {
                found_profile = true;
                app_type_cfg[len++] = cfg_info->app_type;
                app_type_cfg[len++] = acdb_id;
                app_type_cfg[len++] = cfg_info->sample_rate;
                if (st_device_be_idx >= 0)
                    app_type_cfg[len++] = st_device_be_idx;
                break;
            }
        }
    }

    if (found_profile) {
        status = mixer_ctl_set_array(ctl, app_type_cfg, len);
        if (status)
            ALOGE("%s: ERROR. Mixer ctl set failed", __func__);
    }

exit:
    return status;
}

int platform_stdev_get_device_app_type
(
   void *platform,
   st_profile_type_t profile_type
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;
    struct listnode *p_node, *temp_node;
    struct adm_cfg_info *cfg_info;
    int app_type = 0;

    list_for_each_safe(p_node, temp_node, &stdev->adm_cfg_list) {
        cfg_info = node_to_item(p_node, struct adm_cfg_info, list_node);
        if (cfg_info->profile_type == profile_type) {
            app_type = cfg_info->app_type;
            break;
        }
    }

    ALOGV("%s: app type %d for profile %d", __func__, app_type, profile_type);
    return app_type;
}

void platform_stdev_disable_stale_devices
(
    void *platform
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;
    char st_device_name[DEVICE_NAME_MAX_SIZE] = {0};

    /*
     * There can be stale devices while exec_mode is NONE with the
     * below usecase:
     *
     *    1. SVA is active in non-dedicated path mode.
     *    2. Tx starts, transitioning SVA to NLPI.
     *    3. SVA stops and unloads, but cannot disable the BE device.
     *    4. Tx stops - this function will get called with exec_mode NONE.
     */
    if (stdev->exec_mode == ST_EXEC_MODE_ADSP ||
        (stdev->exec_mode == ST_EXEC_MODE_NONE &&
         !stdev->is_gcs)) {
        pthread_mutex_lock(&stdev->ref_cnt_lock);
        for (int i = ST_DEVICE_MIN; i < ST_DEVICE_MAX; i++) {
            if (0 < stdev->dev_enable_cnt[i]) {
                platform_stdev_get_device_name(stdev->platform,
                    ST_EXEC_MODE_ADSP, i, st_device_name);
                ALOGD("%s: disable device (%x) = %s", __func__, i,
                    st_device_name);
                ATRACE_BEGIN("sthal: audio_route_reset_and_update_path");
                audio_route_reset_and_update_path(stdev->audio_route,
                                                  st_device_name);
                ATRACE_END();
                --(stdev->dev_enable_cnt[i]);
            }
        }
        pthread_mutex_unlock(&stdev->ref_cnt_lock);
    }
}

static void check_and_append_ec_ref_device_name
(
    void *platform,
    char *ec_ref_mixer_path
)
{
    audio_devices_t capture_device = 0;
    struct platform_data *my_data = (struct platform_data *)platform;

    capture_device = platform_stdev_get_capture_device(platform);
    if (capture_device == AUDIO_DEVICE_IN_WIRED_HEADSET) {
        strlcat(ec_ref_mixer_path, " headset",  DEVICE_NAME_MAX_SIZE);
    } else if (platform_stdev_is_a2dp_out_device_type(
                   &my_data->stdev->active_rx_dev_list)) {
        strlcat(ec_ref_mixer_path, " a2dp",  DEVICE_NAME_MAX_SIZE);
    } else if (platform_stdev_compare_device_type(
                   &my_data->stdev->active_rx_dev_list,
                   AUDIO_DEVICE_OUT_LINE)) {
        strlcat(ec_ref_mixer_path, " line",  DEVICE_NAME_MAX_SIZE);
    }
}

int platform_stdev_update_ec_effect
(
    void *platform,
    bool enable_ec
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;
    struct mixer_ctl *ctl = NULL;
    const char *mixer_ctl_name = "FFECNS Effect";
    int status = 0;

    ALOGD("%s: Turning %s EC effect", __func__, enable_ec ? "on" : "off");

    ctl = mixer_get_ctl_by_name(stdev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: ERROR. Could not get ctl for mixer cmd - %s",
        __func__, mixer_ctl_name);
        return -EINVAL;
    }

    if (enable_ec)
        status = mixer_ctl_set_enum_by_string(ctl, "ECNS");
    else
        status = mixer_ctl_set_enum_by_string(ctl, "NS_ONLY");

    if (status)
        ALOGE("%s: ERROR. Mixer ctl set failed", __func__);

    return status;
}

void platform_stdev_send_ec_ref_cfg
(
   void *platform,
   st_profile_type_t profile_type,
   bool enable
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;
    struct sound_trigger_event_info event_info = {{0}, 0};

    if (is_ec_profile(profile_type)) {
        event_info.st_ec_ref_enabled = enable;
        // reset the pending active EC mixer ctls first
        if (!stdev->audio_ec_enabled) {
            while (stdev->ec_reset_pending_cnt > 0) {
                audio_route_reset_and_update_path(stdev->audio_route,
                        my_data->ec_ref_mixer_path);
                stdev->ec_reset_pending_cnt--;
            }
        }
        if (enable) {
            stdev->audio_hal_cb(ST_EVENT_UPDATE_ECHO_REF, &event_info);
            strlcpy(my_data->ec_ref_mixer_path, "echo-reference",
                    sizeof(my_data->ec_ref_mixer_path));

            check_and_append_ec_ref_device_name(platform,
                                                my_data->ec_ref_mixer_path);

            audio_route_apply_and_update_path(stdev->audio_route,
                    my_data->ec_ref_mixer_path);
            ALOGD("%s: set echo ref %s", __func__, my_data->ec_ref_mixer_path);
        } else {
            stdev->audio_hal_cb(ST_EVENT_UPDATE_ECHO_REF, &event_info);
            /* avoid disabling echo if audio hal has enabled echo ref */
            if (!stdev->audio_ec_enabled) {
                ALOGD("%s: reset echo ref %s", __func__,
                    my_data->ec_ref_mixer_path);
                audio_route_reset_and_update_path(stdev->audio_route,
                        my_data->ec_ref_mixer_path);
            } else {
                stdev->ec_reset_pending_cnt++;
                ALOGD("%s: audio hal has already enabled EC", __func__);
            }
        }
    } else {
        ALOGV("%s: Non-EC Profile, ignore sending ec ref cfg",__func__);
    }
}

int platform_stdev_send_custom_channel_mixing_coefficients
(
   void *platform,
   struct st_vendor_info *v_info,
   int pcm_id,
   char *str
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    sound_trigger_device_t *stdev = my_data->stdev;
    char mixer_ctl_name[ST_MAX_LENGTH_MIXER_CONTROL];
    int cust_ch_mixer_cfg[ST_MAX_LENGTH_MIXER_CONTROL], len = 0;
    struct mixer_ctl *ctl;
    char *test_r = NULL;
    int err = -EINVAL;
    int ip_channel_cnt, op_channel_cnt, i;
    char *params;
    int select_channel;
    int ch_weightage_coeff[ST_MAX_NUM_CHANNELS][ST_MAX_NUM_CHANNELS];

    if (!v_info)
        return 0;

    if (str == NULL) {
        ALOGE("%s: Invalid string passed", __func__);
        goto exit;
    }

    ip_channel_cnt = my_data->codec_backend_cfg.channel_count;
    op_channel_cnt = v_info->in_channels;
    ALOGD("%s: i/p channel count %d, o/p channel count %d", __func__,
           ip_channel_cnt, op_channel_cnt);
    if (ip_channel_cnt > ST_MAX_NUM_CHANNELS ||
        op_channel_cnt > ST_MAX_NUM_CHANNELS) {
        ALOGE("%s: ERROR: Channel count out of bounds", __func__);
        goto exit;
    }

    snprintf(mixer_ctl_name, sizeof(mixer_ctl_name),
             "Listen Stream %d Channel Mix Cfg", pcm_id);
    ctl = mixer_get_ctl_by_name(stdev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: ERROR. Could not get ctl for mixer cmd - %s",
        __func__, mixer_ctl_name);
        goto exit;
    }

    /* Input channel count corresponds to backend configuration channels.
     * Output channel count corresponds to LSM session channels.
     * Set params is called with channels that need to be selected from
     * input to generate output.
     * ex: "1,4" to downmix from 4 to 2 i.e. to downmix from 4 to 2,
     * select channels 1 and 4 from input to generate output.
     *
     * This mixer control takes values in the following sequence:
     * - input channel count(m)
     * - output channel count(n)
     * - weight coeff for [out ch#1, in ch#1]
     * ....
     * - weight coeff for [out ch#1, in ch#m]
     *
     * - weight coeff for [out ch#2, in ch#1]
     * ....
     * - weight coeff for [out ch#2, in ch#m]
     *
     * - weight coeff for [out ch#n, in ch#1]
     * ....
     * - weight coeff for [out ch#n, in ch#m]
     *
     * weightage coeff is set to Unity for channels that are passed as part
     * of set params string.
     * In case of upmixing, coefficients is set to 0 for all output channels
     * which are greater than input channel count.
     * This is in sync with ADM Matrix mixer.
     */
    cust_ch_mixer_cfg[len++] = ip_channel_cnt;
    cust_ch_mixer_cfg[len++] = op_channel_cnt;
    for (i = 0; i < op_channel_cnt; i++) {
        memset(ch_weightage_coeff[i], 0, sizeof(*ch_weightage_coeff[i]));

        if (i >= ip_channel_cnt) {
            ALOGD("%s: Upmixing case. Ignore select channel", __func__);
        } else {
            if (i == 0)
                params = strtok_r(str, ",", &test_r);
            else
                params = strtok_r(NULL, ",", &test_r);

            if (params == NULL) {
                ALOGE("%s: incorrect channel mixing options\n", __func__);
                break;
            }

            select_channel = atoi(params);
            if ((select_channel > 0) && (select_channel <= ip_channel_cnt)) {
                ALOGD("%s: o/p [%d] select channel from i/p [%d]", __func__,
                      i+1, select_channel);
                ch_weightage_coeff[i][select_channel - 1] = 1;
            } else {
                ALOGE("%s: Invalid o/p channel count entered", __func__);
                break;
            }
        }

        if (len > ST_MAX_LENGTH_MIXER_CONTROL) {
            ALOGE("%s: ERROR: Mixer control length out of bounds", __func__);
            goto exit;
        }

        memcpy(&cust_ch_mixer_cfg[len], &ch_weightage_coeff[i][0],
               ip_channel_cnt);
        len += ip_channel_cnt;
    }

    if (i != op_channel_cnt)
        goto exit;

    err = mixer_ctl_set_array(ctl, cust_ch_mixer_cfg, len);
    if (err)
        ALOGE("%s: ERROR. Mixer ctl set failed", __func__);

exit:
    return err;
}

int platform_stdev_update_bad_mic_channel_index
(
   void *platform,
   int bad_mic_channel_index,
   bool *backend_cfg_change
)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    int ret = 0;

    *backend_cfg_change = false;

    if (!(bad_mic_channel_index & BAD_MIC_CH_SUPPORTED_INDICES)) {
         ALOGE("%s: Invalid bad mic channel index 0x%x",
               __func__, bad_mic_channel_index);
         ret = -EINVAL;
         return ret;
    }

    /* Currently bad mic index can be set once and
     * to only one of the supported bad indices.
     *
     * Determine if backend config change is required depending on current
     * channel configuration -
     * 4 channels - always reconfigure backend
     * 2 channels - reconfigure backend if index 0 or 1 goes bad
     * 1 channel - reconfigure backend if index 0 goes bad
     */

    if (my_data->bad_mic_channel_index) {
        ALOGE("%s: bad mic channel index already set to 0x%x",
               __func__, my_data->bad_mic_channel_index);
         ret = -EINVAL;
         return ret;
    }

    if (popcount(bad_mic_channel_index) > 1) {
        ALOGE("%s: bad mic channel index popcount more than one 0x%x",
               __func__, bad_mic_channel_index);
         ret = -EINVAL;
         return ret;
    }

    switch (my_data->codec_backend_cfg.channel_count) {
    case SOUND_TRIGGER_CHANNEL_MODE_QUAD:
    case SOUND_TRIGGER_CHANNEL_MODE_TRI:
        *backend_cfg_change = true;
        break;
    case SOUND_TRIGGER_CHANNEL_MODE_STEREO:
        if ((bad_mic_channel_index == BAD_MIC_CH_INDEX_0) ||
            (bad_mic_channel_index == BAD_MIC_CH_INDEX_1))
             *backend_cfg_change = true;
        break;
    case SOUND_TRIGGER_CHANNEL_MODE_MONO:
        if (bad_mic_channel_index == BAD_MIC_CH_INDEX_0)
            *backend_cfg_change = true;
        break;
    default:
        break;
    }

    my_data->bad_mic_channel_index = bad_mic_channel_index;
    ALOGV("%s: Bad mic channel index set to 0x%x, backend cfg change %d",
               __func__, my_data->bad_mic_channel_index, *backend_cfg_change);
    return ret;
}

bool platform_stdev_check_backends_match
(
   void *platform __unused,
   st_exec_mode_t exec_mode1,
   st_device_t st_device1,
   st_exec_mode_t exec_mode2,
   st_device_t st_device2
)
{
    bool match = false;

    if ((st_device1 < ST_DEVICE_MIN) || (st_device1 >= ST_DEVICE_MAX)) {
        ALOGE("%s: Invalid st_device1 = %d", __func__, st_device1);
        return match;
    }

    if ((st_device2 < ST_DEVICE_MIN) || (st_device2 >= ST_DEVICE_MAX)) {
        ALOGE("%s: Invalid st_device2 = %d", __func__, st_device2);
        return match;
    }

    char *be_itf1 = st_device_backend_table[exec_mode1][st_device1];
    char *be_itf2 = st_device_backend_table[exec_mode2][st_device2];

    if ((NULL != be_itf1) && (NULL != be_itf2)) {
        if (!strcmp(be_itf1, be_itf2))
            match = true;
    }
    ALOGV("%s: be_itf1 %s, be_itf2 %s match %d", __func__, be_itf1, be_itf2, match);

    return match;
}

void platform_stdev_check_and_append_usecase
(
   void *platform,
   char *use_case
)
{
    struct platform_data *my_data = (struct platform_data *)platform;

    if (!my_data->stdev->lpi_enable)
        strlcat(use_case, " preproc", USECASE_STRING_SIZE);

    ALOGV("%s: return usecase %s", __func__, use_case);
}

void platform_stdev_check_and_update_ec_ref_config
(
   void *platform __unused,
   struct st_vendor_info *v_info,
   struct pcm_config *config
)
{
    /* Update channels with ec ref channel count in vendor info */
    if (v_info)
        config->channels = v_info->ec_ref_channel_cnt;
}

void platform_stdev_get_lpma_config
(
   void *platform,
   struct st_lpma_config **lpma_cfg
)
{
    if (lpma_cfg != NULL)
        *lpma_cfg = &((struct platform_data *)platform)->lpma_cfg;
}
static int platform_stdev_get_meta_info_key
(
    void *platform,
    char *mod_name
)
{
    struct listnode *node;
    struct meta_key_list *key_info;
    struct platform_data *pdata = (struct platform_data *)platform;
    int key = 0;

    ALOGV("%s: for module %s", __func__, mod_name);

    list_for_each(node, &pdata->acdb_meta_key_list) {
        key_info = node_to_item(node, struct meta_key_list, list);
        if (strcmp(key_info->name, mod_name) == 0) {
            key = key_info->cal_info.nKey;
            ALOGD("%s: Found key %d for module %s", __func__, key, mod_name);
            break;
        }
    }
    return key;
}

int platform_stdev_get_license_by_product
(
    void *platform,
    const char* product_name,
    int *product_id,
    char* product_license
)
{
    int ret = 0;
    int id = 0;
    acdb_audio_cal_cfg_t cal;
    uint32_t param_len = ST_LICENSE_STR_MAX_LENGTH;

    struct platform_data *my_data = (struct platform_data *)platform;
    if (NULL == platform || NULL == product_name || NULL == product_id) {
        ALOGE("%s: Invalid input parameters %d ",__func__, __LINE__);
        ret = -EINVAL;
        goto on_error;
    }

    *product_id = 0;
    id = platform_stdev_get_meta_info_key(platform, (char*)product_name);
    if(0 == id) {
        ALOGE("%s:Id not found for %s", __func__, product_name);
        ret = -EINVAL;
        goto on_error;
    }

    ALOGD("%s: Found Id[%d] for %s", __func__, id, product_name);
    if(NULL == my_data->acdb_get_audio_cal) {
        ALOGE("%s: acdb_get_audio_cal is NULL.",__func__);
        ret = -ENOSYS;
        goto on_error;
    }

    memset(&cal, 0, sizeof(cal));
    cal.persist = 1;
    cal.cal_type = AUDIO_CORE_METAINFO_CAL_TYPE;
    cal.acdb_dev_id = (uint32_t)id;
    ret = my_data->acdb_get_audio_cal((void*)&cal, (void*)product_license, &param_len);
    if (ret) {
        ALOGE("%s: License not found for %s", __func__, product_name);
        ret = -EINVAL;
        goto on_error;
    }

    ALOGD("%s: Got Length[%d] License[%s]", __func__, param_len, product_license );
    *product_id = id;
    return 0;

on_error:

    return ret;

}

int platform_stdev_set_acdb_metainfo_key
(
    void *platform,
    char *name,
    int key
)
{
    struct meta_key_list *key_info;
    struct platform_data *pdata = (struct platform_data *)platform;

    key_info = (struct meta_key_list *)calloc(1, sizeof(struct meta_key_list));
    if (!key_info) {
        ALOGE("%s: Could not allocate memory for key %d", __func__, key);
        return -ENOMEM;
    }

    key_info->cal_info.nKey = key;
    strlcpy(key_info->name, name, sizeof(key_info->name));
    list_add_tail(&pdata->acdb_meta_key_list, &key_info->list);
    ALOGD("%s: successfully added module %s and key %d to the list", __func__,
               key_info->name, key_info->cal_info.nKey);
    return 0;
}

/* process acdb meta info key value */
static void process_stdev_acdb_metainfo_key
(
    void *platform,
    const XML_Char **attr
)
{
    if (strcmp(attr[0], "name") != 0) {
        ALOGE("%s: 'name' not found", __func__);
        goto on_error;
    }

    if (strcmp(attr[2], "value") != 0) {
        ALOGE("%s: 'value' not found", __func__);
        goto on_error;
    }

    int key = atoi((char *)attr[3]);

    if (platform_stdev_set_acdb_metainfo_key(platform, (char*)attr[1], key) < 0) {
        ALOGE("%s: key %d was not set!", __func__, key);
        goto on_error;
    }
on_error:
    return;
}

inline int platform_stdev_get_xml_version(void *platform)
{
    struct platform_data *my_data = (struct platform_data *)platform;

    return my_data->xml_version;
}

int platform_stdev_derive_mixer_ctl_from_backend
(
    void *platform,
    char *mixer_ctl_name
)
{
    struct platform_data *my_data = (struct platform_data *)platform;

    if (mixer_ctl_name == NULL) {
        ALOGE("%s: ERROR. mixer_ctl_name is NULL", __func__);
        return -EINVAL;
    }

    if (!strcmp(my_data->backend_dai_name, "")) {
        ALOGE("%s: ERROR. No backend dai name set", __func__);
        return -EINVAL;
    }

    strlcat(mixer_ctl_name, " ", MIXER_PATH_MAX_LENGTH);
    strlcat(mixer_ctl_name, my_data->backend_dai_name, MIXER_PATH_MAX_LENGTH);

    return 0;
}