diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index b28e763..18384fb 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -1957,9 +1957,10 @@
     reset_hdmi_sink_caps(out);
 
     /* Cache ext disp type */
-    if (platform_get_ext_disp_type_v2(adev->platform,
+    ret = platform_get_ext_disp_type_v2(adev->platform,
                                       out->extconn.cs.controller,
-                                      out->extconn.cs.stream <= 0)) {
+                                      out->extconn.cs.stream);
+    if(ret < 0) {
         ALOGE("%s: Failed to query disp type, ret:%d", __func__, ret);
         return -EINVAL;
     }
@@ -4863,7 +4864,7 @@
 
     err = platform_get_controller_stream_from_params(parms, &ext_controller,
                                                        &ext_stream);
-    if (err >= 0) {
+    if (err == 0) {
         out->extconn.cs.controller = ext_controller;
         out->extconn.cs.stream = ext_stream;
         ALOGD("%s: usecase(%s) new controller/stream (%d/%d)", __func__,
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index 985de83..3f28f79 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -6002,7 +6002,7 @@
         }
 
         disp_type = mixer_ctl_get_value(ctl, 0);
-        if (disp_type == EXT_DISPLAY_TYPE_NONE) {
+        if (disp_type <= EXT_DISPLAY_TYPE_NONE) {
              ALOGE("%s: Invalid external display type: %d", __func__, disp_type);
              return -EINVAL;
         }