diff --git a/hal/audio_extn/utils.c b/hal/audio_extn/utils.c
index e03fdc8..d4c6351 100644
--- a/hal/audio_extn/utils.c
+++ b/hal/audio_extn/utils.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2017, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2014-2018, The Linux Foundation. All rights reserved.
  * Not a Contribution.
  *
  * Copyright (C) 2014 The Android Open Source Project
@@ -869,6 +869,25 @@
     }
 }
 
+void audio_extn_btsco_get_sample_rate(int snd_device, int *sample_rate)
+{
+    switch (snd_device) {
+    case SND_DEVICE_OUT_BT_SCO:
+    case SND_DEVICE_IN_BT_SCO_MIC:
+    case SND_DEVICE_IN_BT_SCO_MIC_NREC:
+        *sample_rate = 8000;
+        break;
+    case SND_DEVICE_OUT_BT_SCO_WB:
+    case SND_DEVICE_IN_BT_SCO_MIC_WB:
+    case SND_DEVICE_IN_BT_SCO_MIC_WB_NREC:
+        *sample_rate = 16000;
+        break;
+    default:
+        ALOGD("%s:Not a BT SCO device, need not update sampling rate\n", __func__);
+        break;
+    }
+}
+
 static int send_app_type_cfg_for_device(struct audio_device *adev,
                                         struct audio_usecase *usecase,
                                         int split_snd_device)
@@ -935,8 +954,13 @@
         goto exit_send_app_type_cfg;
     }
     snd_device = platform_get_spkr_prot_snd_device(snd_device);
-
-    acdb_dev_id = platform_get_snd_device_acdb_id(snd_device);
+    if (voice_is_in_call_rec_stream(usecase->stream.in) && usecase->type == PCM_CAPTURE) {
+        snd_device_t voice_device = voice_get_incall_rec_snd_device(usecase->in_snd_device);
+        acdb_dev_id = platform_get_snd_device_acdb_id(voice_device);
+        ALOGV("acdb id for voice call use case %d", acdb_dev_id);
+    } else {
+        acdb_dev_id = platform_get_snd_device_acdb_id(snd_device);
+    }
     if (acdb_dev_id <= 0) {
         ALOGE("%s: Couldn't get the acdb dev id", __func__);
         rc = -EINVAL;
@@ -992,6 +1016,7 @@
                    ALOGI("%s using %d sample rate rate for A2DP CoPP",
                         __func__, usecase->stream.out->app_type_cfg.sample_rate);
         }
+        audio_extn_btsco_get_sample_rate(snd_device, &usecase->stream.out->app_type_cfg.sample_rate);
         sample_rate = usecase->stream.out->app_type_cfg.sample_rate;
 
         /* Interactive streams are supported with only direct app type id.
@@ -1034,6 +1059,11 @@
         app_type_cfg[len++] = acdb_dev_id;
         if (usecase->id == USECASE_AUDIO_RECORD_VOIP)
             usecase->stream.in->app_type_cfg.sample_rate = usecase->stream.in->sample_rate;
+        if (voice_is_in_call_rec_stream(usecase->stream.in)) {
+            audio_extn_btsco_get_sample_rate(usecase->in_snd_device, &usecase->stream.in->app_type_cfg.sample_rate);
+        } else {
+            audio_extn_btsco_get_sample_rate(snd_device, &usecase->stream.in->app_type_cfg.sample_rate);
+        }
         sample_rate = usecase->stream.in->app_type_cfg.sample_rate;
         app_type_cfg[len++] = sample_rate;
         if (snd_device_be_idx > 0)
@@ -1067,6 +1097,7 @@
 {
     int i, num_devices = 0;
     snd_device_t new_snd_devices[SND_DEVICE_OUT_END] = {0};
+    snd_device_t in_snd_device = usecase->in_snd_device;
     int rc = 0;
 
     switch (usecase->type) {
@@ -1085,11 +1116,14 @@
     case PCM_CAPTURE:
         ALOGD("%s: usecase->in_snd_device %s",
               __func__, platform_get_snd_device_name(usecase->in_snd_device));
+        if (voice_is_in_call_rec_stream(usecase->stream.in)) {
+            in_snd_device = voice_get_incall_rec_backend_device(usecase->stream.in);
+        }
         /* check for in combo device */
         if (platform_split_snd_device(adev->platform,
-                                      usecase->in_snd_device,
+                                      in_snd_device,
                                       &num_devices, new_snd_devices)) {
-            new_snd_devices[0] = usecase->in_snd_device;
+            new_snd_devices[0] = in_snd_device;
             num_devices = 1;
         }
         break;
diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
index de5093e..7c04345 100644
--- a/hal/msm8916/platform.c
+++ b/hal/msm8916/platform.c
@@ -555,6 +555,9 @@
     [SND_DEVICE_IN_EC_REF_LOOPBACK_MONO] = "ec-ref-loopback-mono",
     [SND_DEVICE_IN_EC_REF_LOOPBACK_STEREO] = "ec-ref-loopback-stereo",
     [SND_DEVICE_IN_HANDSET_GENERIC_QMIC] = "quad-mic",
+    [SND_DEVICE_IN_INCALL_REC_RX] = "incall-rec-rx",
+    [SND_DEVICE_IN_INCALL_REC_TX] = "incall-rec-tx",
+    [SND_DEVICE_IN_INCALL_REC_RX_TX] = "incall-rec-rx-tx",
 };
 
 // Platform specific backend bit width table
@@ -868,6 +871,9 @@
     {TO_NAME_INDEX(SND_DEVICE_IN_EC_REF_LOOPBACK_MONO)},
     {TO_NAME_INDEX(SND_DEVICE_IN_EC_REF_LOOPBACK_STEREO)},
     {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_GENERIC_QMIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_INCALL_REC_RX)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_INCALL_REC_TX)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_INCALL_REC_RX_TX)},
 };
 
 static char * backend_tag_table[SND_DEVICE_MAX] = {0};
@@ -1675,6 +1681,8 @@
     hw_interface_table[SND_DEVICE_IN_UNPROCESSED_QUAD_MIC] = strdup("SLIMBUS_0_TX");
     hw_interface_table[SND_DEVICE_IN_UNPROCESSED_HEADSET_MIC] = strdup("SLIMBUS_0_TX");
     hw_interface_table[SND_DEVICE_IN_HANDSET_GENERIC_QMIC] = strdup("SLIMBUS_0_TX");
+    hw_interface_table[SND_DEVICE_IN_INCALL_REC_RX] = strdup("INCALL_RECORD_RX");
+    hw_interface_table[SND_DEVICE_IN_INCALL_REC_TX] = strdup("INCALL_RECORD_TX");
 
     my_data->max_mic_count = PLATFORM_DEFAULT_MIC_COUNT;
     /*remove ALAC & APE from DSP decoder list based on software decoder availability*/
@@ -3786,6 +3794,11 @@
         new_snd_devices[0] = SND_DEVICE_OUT_SPEAKER;
         new_snd_devices[1] = SND_DEVICE_OUT_BT_A2DP;
         ret = 0;
+    } else if (SND_DEVICE_IN_INCALL_REC_RX_TX == snd_device) {
+        *num_devices = 2;
+        new_snd_devices[0] = SND_DEVICE_IN_INCALL_REC_RX;
+        new_snd_devices[1] = SND_DEVICE_IN_INCALL_REC_TX;
+        ret = 0;
     }
 
     ALOGD("%s: snd_device(%d) num devices(%d) new_snd_devices(%d)", __func__,
diff --git a/hal/msm8916/platform.h b/hal/msm8916/platform.h
index aeefcc2..c610e4c 100644
--- a/hal/msm8916/platform.h
+++ b/hal/msm8916/platform.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2017, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2013-2018, The Linux Foundation. All rights reserved.
  * Not a Contribution.
  *
  * Copyright (C) 2013 The Android Open Source Project
@@ -229,6 +229,9 @@
     SND_DEVICE_IN_EC_REF_LOOPBACK_MONO,
     SND_DEVICE_IN_EC_REF_LOOPBACK_STEREO,
     SND_DEVICE_IN_HANDSET_GENERIC_QMIC,
+    SND_DEVICE_IN_INCALL_REC_RX,
+    SND_DEVICE_IN_INCALL_REC_TX,
+    SND_DEVICE_IN_INCALL_REC_RX_TX,
     SND_DEVICE_IN_END,
 
     SND_DEVICE_MAX = SND_DEVICE_IN_END,
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index bcc1351..589ca9f 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -537,6 +537,9 @@
     [SND_DEVICE_IN_UNPROCESSED_QUAD_MIC] = "unprocessed-quad-mic",
     [SND_DEVICE_IN_UNPROCESSED_HEADSET_MIC] = "unprocessed-headset-mic",
     [SND_DEVICE_IN_HANDSET_GENERIC_QMIC] = "quad-mic",
+    [SND_DEVICE_IN_INCALL_REC_RX] = "incall-rec-rx",
+    [SND_DEVICE_IN_INCALL_REC_TX] = "incall-rec-tx",
+    [SND_DEVICE_IN_INCALL_REC_RX_TX] = "incall-rec-rx-tx",
 };
 
 // Platform specific backend bit width table
@@ -847,6 +850,9 @@
     {TO_NAME_INDEX(SND_DEVICE_IN_UNPROCESSED_QUAD_MIC)},
     {TO_NAME_INDEX(SND_DEVICE_IN_UNPROCESSED_HEADSET_MIC)},
     {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_GENERIC_QMIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_INCALL_REC_RX)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_INCALL_REC_TX)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_INCALL_REC_RX_TX)},
 };
 
 static char * backend_tag_table[SND_DEVICE_MAX] = {0};
@@ -1535,6 +1541,8 @@
     hw_interface_table[SND_DEVICE_IN_UNPROCESSED_QUAD_MIC] = strdup("SLIMBUS_0_TX");
     hw_interface_table[SND_DEVICE_IN_UNPROCESSED_HEADSET_MIC] = strdup("SLIMBUS_0_TX");
     hw_interface_table[SND_DEVICE_IN_HANDSET_GENERIC_QMIC] = strdup("SLIMBUS_0_TX");
+    hw_interface_table[SND_DEVICE_IN_INCALL_REC_RX] = strdup("INCALL_RECORD_RX");
+    hw_interface_table[SND_DEVICE_IN_INCALL_REC_TX] = strdup("INCALL_RECORD_TX");
 
     my_data->max_mic_count = PLATFORM_DEFAULT_MIC_COUNT;
 
@@ -3589,6 +3597,11 @@
         new_snd_devices[0] = SND_DEVICE_OUT_SPEAKER;
         new_snd_devices[1] = SND_DEVICE_OUT_BT_A2DP;
         ret = 0;
+    } else if (SND_DEVICE_IN_INCALL_REC_RX_TX == snd_device) {
+        *num_devices = 2;
+        new_snd_devices[0] = SND_DEVICE_IN_INCALL_REC_RX;
+        new_snd_devices[1] = SND_DEVICE_IN_INCALL_REC_TX;
+        ret = 0;
     }
 
     ALOGD("%s: snd_device(%d) num devices(%d) new_snd_devices(%d)", __func__,
diff --git a/hal/msm8974/platform.h b/hal/msm8974/platform.h
index 8151ea6..04f25de 100644
--- a/hal/msm8974/platform.h
+++ b/hal/msm8974/platform.h
@@ -234,6 +234,9 @@
     SND_DEVICE_IN_EC_REF_LOOPBACK_MONO,
     SND_DEVICE_IN_EC_REF_LOOPBACK_STEREO,
     SND_DEVICE_IN_HANDSET_GENERIC_QMIC,
+    SND_DEVICE_IN_INCALL_REC_RX,
+    SND_DEVICE_IN_INCALL_REC_TX,
+    SND_DEVICE_IN_INCALL_REC_RX_TX,
     SND_DEVICE_IN_END,
 
     SND_DEVICE_MAX = SND_DEVICE_IN_END,
diff --git a/hal/voice.c b/hal/voice.c
index f9e3562..0a48a05 100644
--- a/hal/voice.c
+++ b/hal/voice.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2017, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2013-2018, The Linux Foundation. All rights reserved.
  * Not a contribution.
  *
  * Copyright (C) 2013 The Android Open Source Project
@@ -436,6 +436,27 @@
     return ret;
 }
 
+snd_device_t voice_get_incall_rec_backend_device(struct stream_in *in)
+{
+   snd_device_t incall_record_device = {0};
+
+   switch(in->source) {
+    case AUDIO_SOURCE_VOICE_UPLINK:
+        incall_record_device = SND_DEVICE_IN_INCALL_REC_TX;
+        break;
+    case AUDIO_SOURCE_VOICE_DOWNLINK:
+         incall_record_device = SND_DEVICE_IN_INCALL_REC_RX;
+         break;
+    case AUDIO_SOURCE_VOICE_CALL:
+         incall_record_device = SND_DEVICE_IN_INCALL_REC_RX_TX;
+         break;
+    default:
+        ALOGI("Invalid source %d", in->source);
+    }
+
+   return incall_record_device;
+}
+
 snd_device_t voice_get_incall_rec_snd_device(snd_device_t in_snd_device)
 {
     snd_device_t incall_record_device = in_snd_device;
diff --git a/hal/voice.h b/hal/voice.h
index 3ae42a8..ca46e24 100644
--- a/hal/voice.h
+++ b/hal/voice.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2013-2016,2018, The Linux Foundation. All rights reserved.
  * Not a contribution.
  *
  * Copyright (C) 2013 The Android Open Source Project
@@ -101,4 +101,5 @@
                                       snd_device_t out_snd_device,
                                       bool enable);
 bool voice_is_call_state_active(struct audio_device *adev);
+snd_device_t voice_get_incall_rec_backend_device(struct stream_in *in);
 #endif //VOICE_H