diff --git a/hal/msm8960/platform.c b/hal/msm8960/platform.c
index b72cae9..8d5004d 100644
--- a/hal/msm8960/platform.c
+++ b/hal/msm8960/platform.c
@@ -374,7 +374,7 @@
 }
 
 void platform_add_backend_name(char *mixer_path, snd_device_t snd_device,
-                               struct audio_usecase *usecase)
+                               struct audio_usecase *usecase __unused)
 {
     if (snd_device == SND_DEVICE_IN_BT_SCO_MIC)
         strlcat(mixer_path, " bt-sco", MIXER_PATH_MAX_LENGTH);
@@ -1172,3 +1172,8 @@
 {
     return 0;
 }
+
+void platform_set_gsm_mode(void *platform __unused, bool enable __unused)
+{
+    ALOGE("%s: Not implemented", __func__);
+}
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index 723bf5b..1c8e812 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -1160,7 +1160,7 @@
 
         ret = 0;
 
-        if((plat_data->is_vbat_speaker) && (WCD9XXX_VBAT_CAL == type)) {
+        if ((plat_data->is_vbat_speaker) && (WCD9XXX_VBAT_CAL == type)) {
            ret = send_vbat_adc_data_to_acdb(plat_data, cal_name_info[type]);
            if (ret < 0)
                ALOGE("%s error in sending vbat adc data to acdb", __func__);
@@ -1669,7 +1669,7 @@
         return;
     }
 
-    if((snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_VBAT) &&
+    if ((snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_VBAT) &&
         !(usecase->type == VOICE_CALL || usecase->type == VOIP_CALL)) {
         ALOGI("%s: Not adding vbat speaker device to non voice use cases", __func__);
         return;