From 45d40322152eede5c8bf23028d36ce54dc58bd22 Mon Sep 17 00:00:00 2001
From: Eric Laurent <elaurent@google.com>
Date: Wed, 17 May 2017 18:32:36 -0700
Subject: [PATCH] audio HAL: fix getParameters status check.

Bug: 38326193
Test: VTS tests for module VtsHalAudioV2_0TargetTest.

Change-Id: If4109cea68120d722a3b1084ad583170e950cfa0
---
 audio/2.0/default/ParametersUtil.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/audio/2.0/default/ParametersUtil.cpp b/audio/2.0/default/ParametersUtil.cpp
index 5cc60db981..2140885f20 100644
--- a/audio/2.0/default/ParametersUtil.cpp
+++ b/audio/2.0/default/ParametersUtil.cpp
@@ -78,8 +78,9 @@ void ParametersUtil::getParametersImpl(
         halKeys.addKey(String8(keys[i].c_str()));
     }
     std::unique_ptr<AudioParameter> halValues = getParams(halKeys);
-    Result retval =
-        halValues->size() == keys.size() ? Result::OK : Result::NOT_SUPPORTED;
+    Result retval = (keys.size() == 0 || halValues->size() != 0)
+                        ? Result::OK
+                        : Result::NOT_SUPPORTED;
     hidl_vec<ParameterValue> result;
     result.resize(halValues->size());
     String8 halKey, halValue;