Snap for 4793185 from 04b8cf1dc2805182cb9c80d3465e1cd8809f1c4a to pi-release

Change-Id: I8fd778ae6720706dfb8a6fe3e3e76625c765df3b
diff --git a/hal/Android.mk b/hal/Android.mk
index cbee1d4..3ce2d2b 100644
--- a/hal/Android.mk
+++ b/hal/Android.mk
@@ -51,7 +51,6 @@
 ifneq ($(filter sdm845,$(TARGET_BOARD_PLATFORM)),)
   LOCAL_CFLAGS := -DPLATFORM_SDM845
   LOCAL_CFLAGS += -DMAX_TARGET_SPECIFIC_CHANNEL_CNT="4"
-  LOCAL_CFLAGS += -DKPI_OPTIMIZE_ENABLED
   LOCAL_CFLAGS += -DINCALL_MUSIC_ENABLED
   LOCAL_CFLAGS += -DINCALL_STEREO_CAPTURE_ENABLED
   MULTIPLE_HW_VARIANTS_ENABLED := true
@@ -194,6 +193,10 @@
     LOCAL_SRC_FILES += audio_extn/maxxaudio.c
 endif
 
+ifeq ($(strip $(AUDIO_FEATURE_ENABLED_BG_CAL)),true)
+    LOCAL_CFLAGS += -DBG_CODEC_CAL
+endif
+
 LOCAL_SHARED_LIBRARIES += libbase libhidlbase libhwbinder libutils android.hardware.power@1.2 liblog
 
 LOCAL_SRC_FILES += audio_perf.cpp
diff --git a/hal/acdb.h b/hal/acdb.h
index 24dcb8f..e6410d6 100644
--- a/hal/acdb.h
+++ b/hal/acdb.h
@@ -33,6 +33,7 @@
 typedef int  (*acdb_init_t)();
 typedef void (*acdb_send_audio_cal_t)(int, int);
 typedef void (*acdb_send_voice_cal_t)(int, int);
+typedef int (*acdb_get_audio_cal_t) (void *, void *, uint32_t*);
 typedef int (*acdb_reload_vocvoltable_t)(int);
 typedef int (*acdb_send_gain_dep_cal_t)(int, int, int, int, int);
 typedef int (*acdb_send_custom_top_t) (void);
diff --git a/hal/audio_extn/a2dp.c b/hal/audio_extn/a2dp.c
index 8dc4a26..16f4826 100644
--- a/hal/audio_extn/a2dp.c
+++ b/hal/audio_extn/a2dp.c
@@ -1370,7 +1370,6 @@
         ALOGD("%s: calling Bluetooth module stream start", __func__);
         /* This call indicates Bluetooth IPC lib to start playback */
         ret =  a2dp.audio_stream_start();
-        ALOGE("%s: Bluetooth controller start return = %d", __func__, ret);
         if (ret != 0 ) {
            ALOGE("%s: Bluetooth controller start failed", __func__);
            a2dp.a2dp_started = false;
@@ -1457,16 +1456,17 @@
     return 0;
 }
 
-void audio_extn_a2dp_set_parameters(struct str_parms *parms)
+int audio_extn_a2dp_set_parameters(struct str_parms *parms, bool *reconfig)
 {
-     int ret, val;
+     int ret = 0, val;
      char value[32] = {0};
      struct audio_usecase *uc_info;
      struct listnode *node;
 
      if (a2dp.is_a2dp_offload_enabled == false) {
         ALOGV("%s: No supported encoders identified,ignoring A2DP setparam", __func__);
-        return;
+        ret = -EINVAL;
+        goto param_handled;
      }
 
      ret = str_parms_get_str(parms, AUDIO_PARAMETER_DEVICE_CONNECT, value,
@@ -1562,8 +1562,20 @@
         }
         goto param_handled;
      }
+
+     ret = str_parms_get_str(parms, AUDIO_PARAMETER_RECONFIG_A2DP, value,
+                         sizeof(value));
+     if (ret >= 0) {
+         if (a2dp.is_a2dp_offload_enabled &&
+                a2dp.bt_state != A2DP_STATE_DISCONNECTED) {
+             *reconfig = true;
+         }
+         goto param_handled;
+     }
+
 param_handled:
      ALOGV("%s: end of A2DP setparam", __func__);
+     return ret;
 }
 
 void audio_extn_a2dp_set_handoff_mode(bool is_on)
@@ -1664,4 +1676,21 @@
     }
     return latency;
 }
+
+int audio_extn_a2dp_get_parameters(struct str_parms *query,
+                                   struct str_parms *reply)
+{
+    int ret, val = 0;
+    char value[32]={0};
+
+    ret = str_parms_get_str(query, AUDIO_PARAMETER_A2DP_RECONFIG_SUPPORTED,
+                            value, sizeof(value));
+    if (ret >= 0) {
+        val = a2dp.is_a2dp_offload_enabled;
+        str_parms_add_int(reply, AUDIO_PARAMETER_A2DP_RECONFIG_SUPPORTED, val);
+        ALOGV("%s: called ... isReconfigA2dpSupported %d", __func__, val);
+    }
+
+    return 0;
+}
 #endif // A2DP_OFFLOAD_ENABLED
diff --git a/hal/audio_extn/audio_extn.h b/hal/audio_extn/audio_extn.h
index 054beea..b1c701d 100644
--- a/hal/audio_extn/audio_extn.h
+++ b/hal/audio_extn/audio_extn.h
@@ -147,7 +147,8 @@
 #define audio_extn_a2dp_init(adev)                       (0)
 #define audio_extn_a2dp_start_playback()                 (0)
 #define audio_extn_a2dp_stop_playback()                  (0)
-#define audio_extn_a2dp_set_parameters(parms)            (0)
+#define audio_extn_a2dp_set_parameters(parms, reconfig)  (0)
+#define audio_extn_a2dp_get_parameters(query, reply)     (0)
 #define audio_extn_a2dp_is_force_device_switch()         (0)
 #define audio_extn_a2dp_set_handoff_mode(is_on)          (0)
 #define audio_extn_a2dp_get_sample_rate(sample_rate)     (0)
@@ -158,7 +159,9 @@
 void audio_extn_a2dp_init(void *adev);
 int audio_extn_a2dp_start_playback();
 int audio_extn_a2dp_stop_playback();
-void audio_extn_a2dp_set_parameters(struct str_parms *parms);
+int audio_extn_a2dp_set_parameters(struct str_parms *parms, bool *reconfig);
+int audio_extn_a2dp_get_parameters(struct str_parms *query,
+                                   struct str_parms *reply);
 bool audio_extn_a2dp_is_force_device_switch();
 void audio_extn_a2dp_set_handoff_mode(bool is_on);
 void audio_extn_a2dp_get_sample_rate(int *sample_rate);
diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index 209cae9..7bbdb66 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -678,12 +678,6 @@
 
     audio_extn_dsm_feedback_enable(adev, snd_device, true);
 
-    if (is_a2dp_device(snd_device) &&
-        (audio_extn_a2dp_start_playback() < 0)) {
-           ALOGE("%s: failed to configure A2DP control path", __func__);
-           goto on_error;
-    }
-
     if ((snd_device == SND_DEVICE_OUT_SPEAKER ||
         snd_device == SND_DEVICE_OUT_SPEAKER_SAFE ||
         snd_device == SND_DEVICE_OUT_SPEAKER_REVERSE ||
@@ -711,6 +705,13 @@
         }
 
         ALOGD("%s: snd_device(%d: %s)", __func__, snd_device, device_name);
+
+        if (is_a2dp_device(snd_device) &&
+            (audio_extn_a2dp_start_playback() < 0)) {
+               ALOGE("%s: failed to configure A2DP control path", __func__);
+               goto on_error;
+        }
+
         audio_route_apply_and_update_path(adev->audio_route, device_name);
     }
 on_success:
@@ -907,7 +908,8 @@
      * with new AFE encoder format based on a2dp state
      */
     if ((SND_DEVICE_OUT_BT_A2DP == snd_device ||
-         SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP == snd_device) &&
+         SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP == snd_device ||
+         SND_DEVICE_OUT_SPEAKER_SAFE_AND_BT_A2DP == snd_device) &&
          audio_extn_a2dp_is_force_device_switch()) {
          force_routing = true;
     }
@@ -1361,7 +1363,8 @@
           return 0;
     }
 
-    if ((out_snd_device == SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP) &&
+    if ((out_snd_device == SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP ||
+         out_snd_device == SND_DEVICE_OUT_SPEAKER_SAFE_AND_BT_A2DP) &&
         (!audio_extn_a2dp_is_ready())) {
         ALOGW("%s: A2DP profile is not ready, routing to speaker only", __func__);
         out_snd_device = SND_DEVICE_OUT_SPEAKER;
@@ -4643,6 +4646,7 @@
     int val;
     int ret;
     int status = 0;
+    bool a2dp_reconfig = false;
 
     ALOGV("%s: enter: %s", __func__, kvpairs);
 
@@ -4741,18 +4745,16 @@
     }
 
     audio_extn_hfp_set_parameters(adev, parms);
-    audio_extn_a2dp_set_parameters(parms);
     audio_extn_ma_set_parameters(adev, parms);
 
-    // reconfigure should be done only after updating A2DP state in audio extension
-    ret = str_parms_get_str(parms,"reconfigA2dp", value, sizeof(value));
-    if (ret >= 0) {
+    status = audio_extn_a2dp_set_parameters(parms, &a2dp_reconfig);
+    if (status >= 0 && a2dp_reconfig) {
         struct audio_usecase *usecase;
         struct listnode *node;
         list_for_each(node, &adev->usecase_list) {
             usecase = node_to_item(node, struct audio_usecase, list);
             if ((usecase->type == PCM_PLAYBACK) &&
-                (usecase->devices & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP)) {
+                (usecase->devices & AUDIO_DEVICE_OUT_ALL_A2DP)) {
                 ALOGD("%s: reconfigure A2DP... forcing device switch", __func__);
 
                 pthread_mutex_unlock(&adev->lock);
@@ -4786,6 +4788,8 @@
     pthread_mutex_lock(&adev->lock);
 
     voice_get_parameters(adev, query, reply);
+    audio_extn_a2dp_get_parameters(query, reply);
+
     str = str_parms_to_str(reply);
     str_parms_destroy(query);
     str_parms_destroy(reply);
diff --git a/hal/msm8916/hw_info.c b/hal/msm8916/hw_info.c
index e5ef549..0afb510 100644
--- a/hal/msm8916/hw_info.c
+++ b/hal/msm8916/hw_info.c
@@ -47,6 +47,8 @@
     } else if (!strcmp(snd_card_name, "msm8909-snd-card") ||
                !strcmp(snd_card_name, "msm8909-pm8916-snd-card")) {
         strlcpy(hw_info->name, "msm8909", sizeof(hw_info->name));
+    } else if (!strcmp(snd_card_name, "msm-bg-snd-card")) {
+        strlcpy(hw_info->name, "msm8909", sizeof(hw_info->name));
     }  else if (!strcmp(snd_card_name, "msm8952-snd-card") ||
                 !strcmp(snd_card_name, "msm8952-snd-card-mtp")) {
         strlcpy(hw_info->name, "msm8952", sizeof(hw_info->name));
@@ -68,7 +70,8 @@
     }
 
     if (strstr(snd_card_name, "msm8x16") || strstr(snd_card_name, "msm8909")
-        || strstr(snd_card_name, "msm8952")) {
+        || strstr(snd_card_name, "msm8952") ||
+        strstr(snd_card_name, "msm-bg-snd-card")) {
         ALOGV("8x16 - variant soundcard");
 
         strlcpy(hw_info->type, "", sizeof(hw_info->type));
diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
index 61260b8..309b472 100644
--- a/hal/msm8916/platform.c
+++ b/hal/msm8916/platform.c
@@ -29,6 +29,7 @@
 #include <platform_api.h>
 #include "platform.h"
 #include "audio_extn.h"
+#include "acdb.h"
 #include "voice_extn.h"
 #include "sound/msmcal-hwdep.h"
 #include "audio_extn/tfa_98xx.h"
@@ -37,6 +38,7 @@
 #define MIXER_XML_PATH "mixer_paths.xml"
 #define MIXER_XML_PATH_MTP "mixer_paths_mtp.xml"
 #define MIXER_XML_PATH_MSM8909_PM8916 "mixer_paths_msm8909_pm8916.xml"
+#define MIXER_XML_PATH_BG "mixer_paths_bg.xml"
 #define MIXER_XML_PATH_L9300 "mixer_paths_l9300.xml"
 
 #define LIB_ACDB_LOADER "libacdbloader.so"
@@ -89,6 +91,19 @@
     int length;
 };
 
+typedef struct acdb_audio_cal_cfg {
+    uint32_t             persist;
+    uint32_t             snd_dev_id;
+    audio_devices_t      dev_id;
+    int32_t              acdb_dev_id;
+    uint32_t             app_type;
+    uint32_t             topo_id;
+    uint32_t             sampling_rate;
+    uint32_t             cal_type;
+    uint32_t             module_id;
+    uint32_t             param_id;
+} acdb_audio_cal_cfg_t;
+
 enum {
     CAL_MODE_SEND           = 0x1,
     CAL_MODE_PERSIST        = 0x2,
@@ -119,14 +134,10 @@
 static struct listnode *operator_specific_device_table[SND_DEVICE_MAX];
 
 /* Audio calibration related functions */
-typedef void (*acdb_deallocate_t)();
-typedef int  (*acdb_init_v2_cvd_t)(const char *, char *, int);
-typedef void (*acdb_send_audio_cal_t)(int, int);
 typedef void (*acdb_send_audio_cal_v3_t)(int, int, int , int, int);
-typedef void (*acdb_send_voice_cal_t)(int, int);
-typedef int (*acdb_reload_vocvoltable_t)(int);
 typedef int (*acdb_loader_get_calibration_t)(char *attr, int size, void *data);
 acdb_loader_get_calibration_t acdb_loader_get_calibration;
+static int platform_get_meta_info_key_from_list(void *platform, char *mod_name);
 
 struct platform_data {
     struct audio_device *adev;
@@ -140,10 +151,12 @@
     bool gsm_mode_enabled;
     /* Audio calibration related functions */
     void                       *acdb_handle;
+    acdb_init_v3_t             acdb_init_v3;
     acdb_init_v2_cvd_t         acdb_init;
     acdb_deallocate_t          acdb_deallocate;
     acdb_send_audio_cal_t      acdb_send_audio_cal;
     acdb_send_audio_cal_v3_t   acdb_send_audio_cal_v3;
+    acdb_get_audio_cal_t       acdb_get_audio_cal;
     acdb_send_voice_cal_t      acdb_send_voice_cal;
     acdb_reload_vocvoltable_t  acdb_reload_vocvoltable;
     void *hw_info;
@@ -151,6 +164,7 @@
     bool speaker_lr_swap;
 
     int max_vol_index;
+    struct listnode acdb_meta_key_list;
 };
 
 int pcm_device_table[AUDIO_USECASE_MAX][2] = {
@@ -213,6 +227,7 @@
     [SND_DEVICE_OUT_BT_SCO_WB] = "bt-sco-headset-wb",
     [SND_DEVICE_OUT_BT_A2DP] = "bt-a2dp",
     [SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP] = "speaker-and-bt-a2dp",
+    [SND_DEVICE_OUT_SPEAKER_SAFE_AND_BT_A2DP] = "speaker-safe-and-bt-a2dp",
     [SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = "voice-tty-full-headphones",
     [SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = "voice-tty-vco-headphones",
     [SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = "voice-tty-hco-handset",
@@ -306,6 +321,7 @@
     [SND_DEVICE_OUT_BT_SCO_WB] = 39,
     [SND_DEVICE_OUT_BT_A2DP] = 20,
     [SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP] = 14,
+    [SND_DEVICE_OUT_SPEAKER_SAFE_AND_BT_A2DP] = 14,
     [SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = 17,
     [SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = 17,
     [SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = 37,
@@ -406,6 +422,7 @@
     {TO_NAME_INDEX(SND_DEVICE_OUT_BT_SCO_WB)},
     {TO_NAME_INDEX(SND_DEVICE_OUT_BT_A2DP)},
     {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_SAFE_AND_BT_A2DP)},
     {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES)},
     {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES)},
     {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET)},
@@ -513,6 +530,10 @@
                  sizeof("msm8909-pm8916-snd-card"))) {
         strlcpy(mixer_xml_path, MIXER_XML_PATH_MSM8909_PM8916,
                 sizeof(MIXER_XML_PATH_MSM8909_PM8916));
+    } else if (!strncmp(snd_card_name, "msm-bg-snd-card",
+                sizeof("msm-bg-snd-card"))) {
+        strlcpy(mixer_xml_path, MIXER_XML_PATH_BG,
+                sizeof(MIXER_XML_PATH_BG));
     } else if (!strncmp(snd_card_name, "msm8952-snd-card-mtp",
                  sizeof("msm8952-snd-card-mtp"))) {
         strlcpy(mixer_xml_path, MIXER_XML_PATH_MTP,
@@ -680,6 +701,8 @@
     backend_table[SND_DEVICE_OUT_BT_SCO_WB] = strdup("bt-sco-wb");
     backend_table[SND_DEVICE_OUT_BT_A2DP] = strdup("bt-a2dp");
     backend_table[SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP] = strdup("speaker-and-bt-a2dp");
+    backend_table[SND_DEVICE_OUT_SPEAKER_SAFE_AND_BT_A2DP] =
+        strdup("speaker-safe-and-bt-a2dp");
     backend_table[SND_DEVICE_OUT_HDMI] = strdup("hdmi");
     backend_table[SND_DEVICE_OUT_SPEAKER_AND_HDMI] = strdup("speaker-and-hdmi");
     backend_table[SND_DEVICE_OUT_VOICE_TX] = strdup("afe-proxy");
@@ -748,8 +771,84 @@
     void   *buff;
 };
 
+static int send_bg_cal(struct platform_data *plat_data,
+                        int type, int fd)
+{
+    /*
+     * This is done to avoid compiler failure due to unused varialbes
+     * if both the below #defines are not present
+     */
+    (void)plat_data;
+    (void)type;
+    (void)fd;
+
+#ifdef BG_CAL_SUPPORT
+    if ((type == BG_CODEC_MIC_CAL) ||
+        (type == BG_CODEC_SPEAKER_CAL)) {
+#ifdef BG_CODEC_CAL
+        int ret = 0, key = 0;
+        uint32_t param_len;
+        uint8_t *dptr = NULL;
+        struct wcdcal_ioctl_buffer codec_buffer;
+        acdb_audio_cal_cfg_t cal;
+
+        memset(&cal, 0, sizeof(cal));
+        cal.persist = 1;
+        cal.cal_type = AUDIO_CORE_METAINFO_CAL_TYPE;
+        param_len = MAX_SET_CAL_BYTE_SIZE;
+        dptr = (unsigned char*) calloc(param_len, sizeof(unsigned char*));
+        if (dptr == NULL) {
+            ALOGE("%s Memory allocation failed for length %d",
+                    __func__, param_len);
+            return 0;
+        }
+        if (type == BG_CODEC_MIC_CAL) {
+            key = platform_get_meta_info_key_from_list(plat_data,
+                                                       "bg_miccal");
+            if (!key) {
+                ALOGE("%s Failed to fetch mic metakey info", __func__);
+                goto done;
+            }
+            ALOGV("%s BG mic with key:0x%x", __func__, key);
+            codec_buffer.cal_type = BG_CODEC_MIC_CAL;
+        } else if (type == BG_CODEC_SPEAKER_CAL) {
+            key = platform_get_meta_info_key_from_list(plat_data,
+                                                       "bg_speakercal");
+            if (!key) {
+                ALOGE("%s Failed to fetch metakey info", __func__);
+                goto done;
+            }
+            ALOGV("%s BG speaker with key:0x%x", __func__, key);
+            codec_buffer.cal_type = BG_CODEC_SPEAKER_CAL;
+        }
+        cal.acdb_dev_id = key;
+        ret = plat_data->acdb_get_audio_cal((void*)&cal, (void*)dptr,
+                                            &param_len);
+        if (ret) {
+            ALOGE("%s failed to get meta info for key 0x%x error %d",
+                    __func__, key, ret);
+            goto done;
+        }
+        codec_buffer.buffer = dptr;
+        codec_buffer.size = param_len;
+
+        if (ioctl(fd, SNDRV_CTL_IOCTL_HWDEP_CAL_TYPE, &codec_buffer) < 0)
+            ALOGE("Failed to call ioctl  for mic err=%d calib.size=%d",
+                    errno, codec_buffer.size);
+        else
+            ALOGD("%s cal sent for %d calib.size=%d",
+                    __func__, cal.acdb_dev_id, codec_buffer.size);
+    done:
+        free(dptr);
+#endif /* #ifdef BG_CODEC_CAL */
+        return 0;
+    } else
+#endif /* #ifdef BG_CAL_SUPPORT */
+      return -1;
+}
+
 static int send_codec_cal(acdb_loader_get_calibration_t acdb_loader_get_calibration,
-                          struct platform_data *plat_data __unused, int fd)
+                          struct platform_data *plat_data , int fd)
 {
     int ret = 0, type;
 
@@ -757,6 +856,9 @@
         struct wcdcal_ioctl_buffer codec_buffer;
         struct param_data calib;
 
+        if (send_bg_cal(plat_data, type, fd) == 0)
+            continue;
+
         if (type != WCD9XXX_MBHC_CAL)
             continue;
 
@@ -824,8 +926,11 @@
     char *cvd_version = NULL;
     int key = 0;
     const char *snd_card_name;
-    int result;
+    int result = 0;
     char value[PROPERTY_VALUE_MAX];
+    struct listnode *node;
+    struct meta_key_list *key_info;
+
     cvd_version = calloc(1, MAX_CVD_VERSION_STRING_SIZE);
     if (!cvd_version)
         ALOGE("Failed to allocate cvd version");
@@ -836,7 +941,12 @@
     key = atoi(value);
     snd_card_name = mixer_get_name(my_data->adev->mixer);
 
-    result = my_data->acdb_init(snd_card_name, cvd_version, key);
+    if (my_data->acdb_init_v3) {
+        result = my_data->acdb_init_v3(snd_card_name, cvd_version,
+                                           &my_data->acdb_meta_key_list);
+    } else if (my_data->acdb_init) {
+        result = my_data->acdb_init((char *)snd_card_name, cvd_version, key);
+    }
 
     if (cvd_version)
         free(cvd_version);
@@ -1012,6 +1122,13 @@
         acdb_device_table[SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET] = 131;
     }
 
+    list_init(&my_data->acdb_meta_key_list);
+    set_platform_defaults();
+    /* Initialize ACDB and PCM ID's */
+    strlcpy(platform_info_path, PLATFORM_INFO_XML_PATH, MAX_MIXER_XML_PATH);
+    resolve_config_file(platform_info_path);
+    platform_info_init(platform_info_path, my_data);
+
     my_data->acdb_handle = dlopen(LIB_ACDB_LOADER, RTLD_NOW);
     if (my_data->acdb_handle == NULL) {
         ALOGE("%s: DLOPEN failed for %s", __func__, LIB_ACDB_LOADER);
@@ -1035,6 +1152,12 @@
             ALOGE("%s: Could not find the symbol acdb_send_audio_cal from %s",
                   __func__, LIB_ACDB_LOADER);
 
+        my_data->acdb_get_audio_cal = (acdb_get_audio_cal_t)dlsym(my_data->acdb_handle,
+                                                  "acdb_loader_get_audio_cal_v2");
+        if (!my_data->acdb_get_audio_cal)
+            ALOGE("%s: Could not find the symbol acdb_get_audio_cal_v2 from %s",
+                  __func__, LIB_ACDB_LOADER);
+
         my_data->acdb_send_voice_cal = (acdb_send_voice_cal_t)dlsym(my_data->acdb_handle,
                                                     "acdb_loader_send_voice_cal");
         if (!my_data->acdb_send_voice_cal)
@@ -1053,18 +1176,17 @@
             ALOGE("%s: dlsym error %s for acdb_loader_init_v2", __func__, dlerror());
             goto acdb_init_fail;
         }
+
+        my_data->acdb_init_v3 = (acdb_init_v3_t)dlsym(my_data->acdb_handle,
+                                                   "acdb_loader_init_v3");
+        if (my_data->acdb_init_v3 == NULL) {
+            ALOGI("%s: dlsym error %s for acdb_loader_init_v3", __func__, dlerror());
+        }
         platform_acdb_init(my_data);
     }
 
 acdb_init_fail:
 
-    set_platform_defaults();
-
-    /* Initialize ACDB and PCM ID's */
-    strlcpy(platform_info_path, PLATFORM_INFO_XML_PATH, MAX_MIXER_XML_PATH);
-    resolve_config_file(platform_info_path);
-    platform_info_init(platform_info_path, my_data);
-
     /*init a2dp*/
     audio_extn_a2dp_init(adev);
 
@@ -1329,6 +1451,48 @@
     return ret;
 }
 
+int platform_set_acdb_metainfo_key(void *platform, char *name, int key)
+{
+    struct meta_key_list *key_info;
+    struct platform_data *pdata = (struct platform_data *)platform;
+
+    if (key < 0) {
+        ALOGE("%s: Incorrect Meta key\n", __func__);
+        return -EINVAL;
+    }
+    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;
+}
+
+static int platform_get_meta_info_key_from_list(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_get_default_app_type_v2(void *platform, usecase_type_t type, int *app_type)
 {
     ALOGV("%s: platform: %p, type: %d", __func__, platform, type);
@@ -1634,6 +1798,9 @@
         } else if ((devices & AUDIO_DEVICE_OUT_SPEAKER) &&
                    (devices & AUDIO_DEVICE_OUT_ALL_A2DP)) {
             snd_device = SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP;
+        } else if ((devices & AUDIO_DEVICE_OUT_SPEAKER_SAFE) &&
+                   (devices & AUDIO_DEVICE_OUT_ALL_A2DP)) {
+            snd_device = SND_DEVICE_OUT_SPEAKER_SAFE_AND_BT_A2DP;
         } else {
             ALOGE("%s: Invalid combo device(%#x)", __func__, devices);
             goto exit;
diff --git a/hal/msm8916/platform.h b/hal/msm8916/platform.h
index d828f6b..b69b6c9 100644
--- a/hal/msm8916/platform.h
+++ b/hal/msm8916/platform.h
@@ -73,6 +73,7 @@
     SND_DEVICE_OUT_BT_SCO_WB,
     SND_DEVICE_OUT_BT_A2DP,
     SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP,
+    SND_DEVICE_OUT_SPEAKER_SAFE_AND_BT_A2DP,
     SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES,
     SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES,
     SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET,
diff --git a/hal/msm8960/platform.c b/hal/msm8960/platform.c
index 6095ea6..9e06a0c 100644
--- a/hal/msm8960/platform.c
+++ b/hal/msm8960/platform.c
@@ -1375,3 +1375,9 @@
 {
     return -1;
 }
+
+int platform_set_acdb_metainfo_key(void *platform __unused,
+                                   char *name __unused,
+                                   int key __unused) {
+    return -ENOSYS;
+}
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index 2955d6b..5f52c1c 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -263,6 +263,7 @@
     [SND_DEVICE_OUT_BT_SCO_WB] = "bt-sco-headset-wb",
     [SND_DEVICE_OUT_BT_A2DP] = "bt-a2dp",
     [SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP] = "speaker-and-bt-a2dp",
+    [SND_DEVICE_OUT_SPEAKER_SAFE_AND_BT_A2DP] = "speaker-safe-and-bt-a2dp",
     [SND_DEVICE_OUT_VOICE_HANDSET_TMUS] = "voice-handset-tmus",
     [SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = "voice-tty-full-headphones",
     [SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = "voice-tty-vco-headphones",
@@ -380,6 +381,7 @@
     [SND_DEVICE_OUT_BT_SCO_WB] = 39,
     [SND_DEVICE_OUT_BT_A2DP] = 20,
     [SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP] = 14,
+    [SND_DEVICE_OUT_SPEAKER_SAFE_AND_BT_A2DP] = 14,
     [SND_DEVICE_OUT_VOICE_HANDSET_TMUS] = ACDB_ID_VOICE_HANDSET_TMUS,
     [SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = 17,
     [SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = 17,
@@ -503,6 +505,7 @@
     {TO_NAME_INDEX(SND_DEVICE_OUT_BT_SCO_WB)},
     {TO_NAME_INDEX(SND_DEVICE_OUT_BT_A2DP)},
     {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_SAFE_AND_BT_A2DP)},
     {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_HANDSET_TMUS)},
     {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_HAC_HANDSET)},
     {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES)},
@@ -1210,6 +1213,7 @@
     backend_tag_table[SND_DEVICE_IN_USB_HEADSET_MIC_AEC] = strdup("usb-headset-mic");
     backend_tag_table[SND_DEVICE_OUT_BT_A2DP] = strdup("bt-a2dp");
     backend_tag_table[SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP] = strdup("speaker-and-bt-a2dp");
+    backend_tag_table[SND_DEVICE_OUT_SPEAKER_SAFE_AND_BT_A2DP] = strdup("speaker-safe-and-bt-a2dp");
     backend_tag_table[SND_DEVICE_OUT_USB_HEADSET_SPEC] = strdup("usb-headset");
 
     hw_interface_table[SND_DEVICE_OUT_HANDSET] = strdup("SLIMBUS_0_RX");
@@ -1234,6 +1238,8 @@
     hw_interface_table[SND_DEVICE_OUT_BT_A2DP] = strdup("SLIMBUS_7_RX");
     hw_interface_table[SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP] =
         strdup("SLIMBUS_0_RX-and-SLIMBUS_7_RX");
+    hw_interface_table[SND_DEVICE_OUT_SPEAKER_SAFE_AND_BT_A2DP] =
+        strdup("SLIMBUS_0_RX-and-SLIMBUS_7_RX");
     hw_interface_table[SND_DEVICE_OUT_VOICE_HANDSET_TMUS] = strdup("SLIMBUS_0_RX");
     hw_interface_table[SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = strdup("SLIMBUS_0_RX");
     hw_interface_table[SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = strdup("SLIMBUS_0_RX");
@@ -1893,6 +1899,7 @@
         hw_info_append_hw_type(my_data->hw_info, snd_device, device_name);
     } else {
         strlcpy(device_name, "none", DEVICE_NAME_MAX_SIZE);
+        return -EINVAL;
     }
 
     return 0;
@@ -2557,6 +2564,13 @@
         new_snd_devices[0] = SND_DEVICE_OUT_SPEAKER;
         new_snd_devices[1] = SND_DEVICE_OUT_BT_A2DP;
         ret = 0;
+    } else if (SND_DEVICE_OUT_SPEAKER_SAFE_AND_BT_A2DP == snd_device &&
+               !platform_check_backends_match(SND_DEVICE_OUT_SPEAKER_SAFE,
+                                              SND_DEVICE_OUT_BT_A2DP)) {
+        *num_devices = 2;
+        new_snd_devices[0] = SND_DEVICE_OUT_SPEAKER_SAFE;
+        new_snd_devices[1] = SND_DEVICE_OUT_BT_A2DP;
+        ret = 0;
     }
 
     return ret;
@@ -2614,6 +2628,9 @@
         } else if ((devices & AUDIO_DEVICE_OUT_SPEAKER) &&
                    (devices & AUDIO_DEVICE_OUT_ALL_A2DP)) {
             snd_device = SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP;
+        }  else if ((devices & AUDIO_DEVICE_OUT_SPEAKER_SAFE) &&
+                   (devices & AUDIO_DEVICE_OUT_ALL_A2DP)) {
+            snd_device = SND_DEVICE_OUT_SPEAKER_SAFE_AND_BT_A2DP;
         } else {
             ALOGE("%s: Invalid combo device(%#x)", __func__, devices);
             goto exit;
@@ -4703,3 +4720,10 @@
     return -1;
 #endif
 }
+
+int platform_set_acdb_metainfo_key(void *platform __unused,
+                                   char *name __unused,
+                                   int key __unused)
+{
+    return -ENOSYS;
+}
diff --git a/hal/msm8974/platform.h b/hal/msm8974/platform.h
index f512de3..cc5187d 100644
--- a/hal/msm8974/platform.h
+++ b/hal/msm8974/platform.h
@@ -80,6 +80,7 @@
     SND_DEVICE_OUT_BT_SCO_WB,
     SND_DEVICE_OUT_BT_A2DP,
     SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP,
+    SND_DEVICE_OUT_SPEAKER_SAFE_AND_BT_A2DP,
     SND_DEVICE_OUT_VOICE_HANDSET_TMUS,
     SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES,
     SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES,
diff --git a/hal/platform_api.h b/hal/platform_api.h
index 44305a1..1967233 100644
--- a/hal/platform_api.h
+++ b/hal/platform_api.h
@@ -59,6 +59,7 @@
 int platform_send_audio_calibration(void *platform, snd_device_t snd_device);
 int platform_send_audio_calibration_v2(void *platform, struct audio_usecase *usecase,
                                        int app_type, int sample_rate);
+int platform_set_acdb_metainfo_key(void *platform, char *name, int key);
 int platform_get_default_app_type_v2(void *platform, enum usecase_type_t type, int *app_type);
 int platform_switch_voice_call_device_pre(void *platform);
 int platform_switch_voice_call_enable_device_config(void *platform,
diff --git a/hal/platform_info.c b/hal/platform_info.c
index 181460e..f5fbe3f 100644
--- a/hal/platform_info.c
+++ b/hal/platform_info.c
@@ -41,6 +41,7 @@
     INPUT_SND_DEVICE_TO_MIC_MAPPING,
     SND_DEV,
     MIC_INFO,
+    ACDB_METAINFO_KEY,
 } section_t;
 
 typedef void (* section_process_fn)(const XML_Char **attr);
@@ -56,6 +57,7 @@
 static void process_microphone_characteristic(const XML_Char **attr);
 static void process_snd_dev(const XML_Char **attr);
 static void process_mic_info(const XML_Char **attr);
+static void process_acdb_metainfo_key(const XML_Char **attr);
 
 static section_process_fn section_table[] = {
     [ROOT] = process_root,
@@ -69,6 +71,7 @@
     [MICROPHONE_CHARACTERISTIC] = process_microphone_characteristic,
     [SND_DEV] = process_snd_dev,
     [MIC_INFO] = process_mic_info,
+    [ACDB_METAINFO_KEY] = process_acdb_metainfo_key,
 };
 
 static set_parameters_fn set_parameters = &platform_set_parameters;
@@ -737,6 +740,28 @@
     return;
 }
 
+/* process acdb meta info key value */
+static void process_acdb_metainfo_key(const XML_Char **attr)
+{
+    if (strcmp(attr[0], "name") != 0) {
+        ALOGE("%s: 'name' not found", __func__);
+        goto done;
+    }
+    if (strcmp(attr[2], "value") != 0) {
+        ALOGE("%s: 'value' not found", __func__);
+        goto done;
+    }
+
+    int key = atoi((char *)attr[3]);
+    if (platform_set_acdb_metainfo_key(my_data.platform,
+                                       (char*)attr[1], key) < 0) {
+        ALOGE("%s: key %d was not set!", __func__, key);
+    }
+
+done:
+    return;
+}
+
 static void start_tag(void *userdata __unused, const XML_Char *tag_name,
                       const XML_Char **attr)
 {
@@ -764,6 +789,8 @@
             section = MICROPHONE_CHARACTERISTIC;
         } else if (strcmp(tag_name, "snd_devices") == 0) {
             section = SND_DEVICES;
+        } else if(strcmp(tag_name, "acdb_metainfo_key") == 0) {
+            section = ACDB_METAINFO_KEY;
         } else if (strcmp(tag_name, "device") == 0) {
             if ((section != ACDB) && (section != BACKEND_NAME) && (section != OPERATOR_SPECIFIC)) {
                 ALOGE("device tag only supported for acdb/backend names");
@@ -782,7 +809,7 @@
             section_process_fn fn = section_table[PCM_ID];
             fn(attr);
         } else if (strcmp(tag_name, "param") == 0) {
-            if (section != CONFIG_PARAMS) {
+            if ((section != CONFIG_PARAMS) && (section != ACDB_METAINFO_KEY)) {
                 ALOGE("param tag only supported with CONFIG_PARAMS section");
                 return;
             }
@@ -884,6 +911,8 @@
         section = SND_DEVICES;
     } else if (strcmp(tag_name, "input_snd_device_mic_mapping") == 0) {
         section = INPUT_SND_DEVICE;
+    } else if (strcmp(tag_name, "acdb_metainfo_key") == 0) {
+        section = ROOT;
     }
 }