diff --git a/services/core/java/com/android/server/hdmi/HdmiControlService.java b/services/core/java/com/android/server/hdmi/HdmiControlService.java
index 440676a3ae8f8..df4674c958b02 100644
--- a/services/core/java/com/android/server/hdmi/HdmiControlService.java
+++ b/services/core/java/com/android/server/hdmi/HdmiControlService.java
@@ -1498,6 +1498,11 @@ public class HdmiControlService extends SystemService {
                         Slog.e(TAG, "Callback cannot be null");
                         return;
                     }
+                    if (isPowerStandby()) {
+                        Slog.e(TAG, "Device is in standby. Not handling deviceSelect");
+                        invokeCallback(callback, HdmiControlManager.RESULT_INCORRECT_MODE);
+                        return;
+                    }
                     HdmiCecLocalDeviceTv tv = tv();
                     if (tv == null) {
                         if (!mAddressAllocated) {
@@ -1540,6 +1545,11 @@ public class HdmiControlService extends SystemService {
                         Slog.e(TAG, "Callback cannot be null");
                         return;
                     }
+                    if (isPowerStandby()) {
+                        Slog.e(TAG, "Device is in standby. Not handling portSelect");
+                        invokeCallback(callback, HdmiControlManager.RESULT_INCORRECT_MODE);
+                        return;
+                    }
                     HdmiCecLocalDeviceTv tv = tv();
                     if (tv != null) {
                         tv.doManualPortSwitching(portId, callback);