From 88629661529ba9692c927c08b56ae837511c5345 Mon Sep 17 00:00:00 2001
From: nagendra modadugu <ngm@google.com>
Date: Tue, 20 Mar 2018 14:18:09 -0700
Subject: [PATCH] Add strongbox KM instance as optional

The strongbox instance of the Keymaster 4.0 HAL
is optional, as not all P devices are expected
to provide an implementation.

Test: builds
Bug: 68112778
Change-Id: I96a18cb31058d82b04ba3486a88ceac26058a7d2
---
 compatibility_matrices/compatibility_matrix.current.xml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index 497071d462..370ffdd608 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -184,6 +184,14 @@
             <instance>default</instance>
         </interface>
     </hal>
+    <hal format="hidl" optional="true">
+        <name>android.hardware.keymaster</name>
+        <version>4.0</version>
+        <interface>
+            <name>IKeymasterDevice</name>
+            <instance>strongbox</instance>
+        </interface>
+    </hal>
     <hal format="hidl" optional="true">
         <name>android.hardware.light</name>
         <version>2.0</version>