diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
index 1ebff09..de7199e 100644
--- a/hal/msm8916/platform.c
+++ b/hal/msm8916/platform.c
@@ -3944,8 +3944,55 @@
     return 0;
 }
 
-int platform_set_audio_device_interface(const char * device_name __unused,
-                                        const char *intf_name __unused)
+/*
+ * This is a lookup table to map android audio input device to audio h/w interface (backend).
+ * The table can be extended for other input devices by adding appropriate entries.
+ * Also the audio interface for a particular input device can be overriden by adding
+ * corresponding entry in audio_platform_info.xml file.
+ */
+struct audio_device_to_audio_interface audio_device_to_interface_table[] = {
+    {AUDIO_DEVICE_IN_BUILTIN_MIC, ENUM_TO_STRING(AUDIO_DEVICE_IN_BUILTIN_MIC), "TERT_MI2S"},
+    {AUDIO_DEVICE_IN_BACK_MIC, ENUM_TO_STRING(AUDIO_DEVICE_IN_BACK_MIC), "TERT_MI2S"},
+};
+
+int audio_device_to_interface_table_len  =
+    sizeof(audio_device_to_interface_table) / sizeof(audio_device_to_interface_table[0]);
+
+
+int platform_set_audio_device_interface(const char * device_name,
+                                        const char *intf_name)
 {
-    return -ENOSYS;
+    int ret = 0;
+    int i;
+
+    if (device_name == NULL || intf_name == NULL) {
+        ALOGE("%s: Invalid input", __func__);
+
+        ret = -EINVAL;
+        goto done;
+    }
+
+    ALOGD("%s: Enter, device name:%s, intf name:%s", __func__, device_name, intf_name);
+
+    size_t device_name_len = strlen(device_name);
+    for (i = 0; i < audio_device_to_interface_table_len; i++) {
+        char* name = audio_device_to_interface_table[i].device_name;
+        size_t name_len = strlen(name);
+        if ((name_len == device_name_len) &&
+            (strncmp(device_name, name, name_len) == 0)) {
+            ALOGD("%s: Matched device name:%s, overwrite intf name with %s",
+                  __func__, device_name, intf_name);
+
+            strlcpy(audio_device_to_interface_table[i].interface_name, intf_name,
+                    sizeof(audio_device_to_interface_table[i].interface_name));
+            goto done;
+        }
+    }
+    ALOGE("%s: Could not find matching device name %s",
+            __func__, device_name);
+
+    ret = -EINVAL;
+
+done:
+    return ret;
 }
diff --git a/hal/msm8916/platform.h b/hal/msm8916/platform.h
index 7e87a3c..b78a24b 100644
--- a/hal/msm8916/platform.h
+++ b/hal/msm8916/platform.h
@@ -300,4 +300,12 @@
  */
 #define DEVICE_PARAM_MUTE_ID    0
 #define DEVICE_PARAM_LATENCY_ID 1
+
+#define ENUM_TO_STRING(X) #X
+
+struct audio_device_to_audio_interface {
+    audio_devices_t device;
+    char device_name[100];
+    char interface_name[100];
+};
 #endif // QCOM_AUDIO_PLATFORM_H