diff --git a/hal/audio_extn/a2dp.c b/hal/audio_extn/a2dp.c
index 6915603..429a2e3 100755
--- a/hal/audio_extn/a2dp.c
+++ b/hal/audio_extn/a2dp.c
@@ -3136,9 +3136,11 @@
 
 void sco_reset_configuration()
 {
-    ALOGD("sco_reset_configuration start");
+    if (a2dp.swb_configured) {
+        ALOGD("sco_reset_configuration start");
 
-    reset_codec_config();
-    a2dp.bt_encoder_format = CODEC_TYPE_INVALID;
-    a2dp.swb_configured = false;
+        reset_codec_config();
+        a2dp.bt_encoder_format = CODEC_TYPE_INVALID;
+        a2dp.swb_configured = false;
+    }
 }
diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index a7df7d6..cb24d5c 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -1301,14 +1301,7 @@
             audio_extn_a2dp_stop_playback();
         else if (snd_device == SND_DEVICE_IN_BT_A2DP)
             audio_extn_a2dp_stop_capture();
-        else if ((snd_device == SND_DEVICE_OUT_BT_SCO_SWB) ||
-                 (snd_device == SND_DEVICE_IN_BT_SCO_MIC_SWB_NREC) ||
-                 (snd_device == SND_DEVICE_IN_BT_SCO_MIC_SWB)) {
-            if ((adev->snd_dev_ref_cnt[SND_DEVICE_OUT_BT_SCO_SWB] == 0) &&
-                (adev->snd_dev_ref_cnt[SND_DEVICE_IN_BT_SCO_MIC_SWB_NREC] == 0) &&
-                (adev->snd_dev_ref_cnt[SND_DEVICE_IN_BT_SCO_MIC_SWB] == 0))
-                audio_extn_sco_reset_configuration();
-       } else if ((snd_device == SND_DEVICE_OUT_HDMI) ||
+        else if ((snd_device == SND_DEVICE_OUT_HDMI) ||
                 (snd_device == SND_DEVICE_OUT_DISPLAY_PORT))
             adev->is_channel_status_set = false;
         else if ((snd_device == SND_DEVICE_OUT_HEADPHONES) &&
@@ -7716,6 +7709,8 @@
     int ret;
     int status = 0;
     bool a2dp_reconfig = false;
+    struct listnode *node;
+    struct audio_usecase *usecase = NULL;
 
     ALOGD("%s: enter: %s", __func__, kvpairs);
     parms = str_parms_create_str(kvpairs);
@@ -7723,16 +7718,31 @@
     if (!parms)
         goto error;
 
+    pthread_mutex_lock(&adev->lock);
     ret = str_parms_get_str(parms, "BT_SCO", value, sizeof(value));
     if (ret >= 0) {
         /* When set to false, HAL should disable EC and NS */
-        if (strcmp(value, AUDIO_PARAMETER_VALUE_ON) == 0)
+        if (strcmp(value, AUDIO_PARAMETER_VALUE_ON) == 0){
             adev->bt_sco_on = true;
-        else
+        } else {
+            ALOGD("sco is off, reset sco and route device to handset/mic");
             adev->bt_sco_on = false;
+            audio_extn_sco_reset_configuration();
+            list_for_each(node, &adev->usecase_list) {
+                usecase = node_to_item(node, struct audio_usecase, list);
+                if ((usecase->type == PCM_PLAYBACK) && usecase->stream.out &&
+                    (usecase->stream.out->devices & AUDIO_DEVICE_OUT_ALL_SCO))
+                    usecase->stream.out->devices = AUDIO_DEVICE_OUT_EARPIECE;
+                else if ((usecase->type == PCM_CAPTURE) && usecase->stream.in &&
+                         (usecase->stream.in->device & AUDIO_DEVICE_IN_ALL_SCO))
+                    usecase->stream.in->device = AUDIO_DEVICE_IN_BUILTIN_MIC;
+                else
+                    continue;
+                select_devices(adev, usecase->id);
+            }
+        }
     }
 
-    pthread_mutex_lock(&adev->lock);
     status = voice_set_parameters(adev, parms);
     if (status != 0)
         goto done;