From 41de6a3dac5177b9528efd840981f55701f36eb2 Mon Sep 17 00:00:00 2001
From: Jan Altensen <info@stricted.net>
Date: Wed, 21 Aug 2019 23:34:48 +0200
Subject: [PATCH] samsung: hidl: fingerprint: call notify on cancel

Change-Id: Idb1b3200e571c546441fa9c0cfd1a1728e165a96
---
 hidl/fingerprint/Android.mk                |  4 ++++
 hidl/fingerprint/BiometricsFingerprint.cpp | 13 ++++++++++++-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/hidl/fingerprint/Android.mk b/hidl/fingerprint/Android.mk
index 8f644b06..9070cd85 100644
--- a/hidl/fingerprint/Android.mk
+++ b/hidl/fingerprint/Android.mk
@@ -31,6 +31,10 @@ LOCAL_SHARED_LIBRARIES := \
     libutils \
     android.hardware.biometrics.fingerprint@2.1
 
+ifeq ($(TARGET_SEC_FP_CALL_NOTIFY_ON_CANCEL),true)
+    LOCAL_CFLAGS += -DCALL_NOTIFY_ON_CANCEL
+endif
+
 ifeq ($(TARGET_SEC_FP_USES_PERCENTAGE_SAMPLES),true)
     LOCAL_CFLAGS += -DUSES_PERCENTAGE_SAMPLES
 endif
diff --git a/hidl/fingerprint/BiometricsFingerprint.cpp b/hidl/fingerprint/BiometricsFingerprint.cpp
index bb27999b..f9b3d15f 100644
--- a/hidl/fingerprint/BiometricsFingerprint.cpp
+++ b/hidl/fingerprint/BiometricsFingerprint.cpp
@@ -173,7 +173,18 @@ Return<uint64_t> BiometricsFingerprint::getAuthenticatorId() {
 }
 
 Return<RequestStatus> BiometricsFingerprint::cancel() {
-    return ErrorFilter(ss_fingerprint_cancel());
+    int32_t ret = ss_fingerprint_cancel();
+
+#ifdef CALL_NOTIFY_ON_CANCEL
+    if (ret == 0) {
+        fingerprint_msg_t msg{};
+        msg.type = FINGERPRINT_ERROR;
+        msg.data.error = FINGERPRINT_ERROR_CANCELED;
+        notify(&msg);
+    }
+#endif
+
+    return ErrorFilter(ret);
 }
 
 Return<RequestStatus> BiometricsFingerprint::enumerate() {