From 846d9ab9faadf6131a22c9e6c0ba81cfbffe448c Mon Sep 17 00:00:00 2001
From: Ruchi Kandoi <kandoiruchi@google.com>
Date: Mon, 31 Oct 2016 16:11:13 -0700
Subject: [PATCH] NFC: Add Annotations to the HAL file

Test: Compiles
Bug: 32124874
Change-Id: Id31199a0dc55afc32835868c3e9ee1e2075648cc
Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>
---
 nfc/1.0/INfc.hal | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/nfc/1.0/INfc.hal b/nfc/1.0/INfc.hal
index f003b2caf5..1c952dbac8 100644
--- a/nfc/1.0/INfc.hal
+++ b/nfc/1.0/INfc.hal
@@ -33,6 +33,8 @@ interface INfc {
      * If open() returns any other value, the NCI stack will stop.
      *
      */
+    @entry
+    @callflow(next={"write", "coreInitialized", "prediscover", "powerCycle", "controlGranted"})
     open(INfcClientCallback clientCallback) generates (int32_t retval);
 
     /*
@@ -41,6 +43,8 @@ interface INfc {
      * This method may queue writes and return immediately. The only
      * requirement is that the writes are executed in order.
      */
+    @callflow(next={"write", "prediscover", "coreInitialized", "close", "powerCycle",
+                    "controlGranted"})
     write(NfcData data) generates (int32_t retval);
 
     /*
@@ -53,6 +57,7 @@ interface INfc {
      * If coreInitialized() returns any other value, the NCI stack will continue
      * immediately.
      */
+    @callflow(next={"write", "prediscover", "close"})
     coreInitialized(NfcData data) generates (int32_t retval);
 
     /*
@@ -66,11 +71,13 @@ interface INfc {
      * If prediscover() returns any other value, the NCI stack will start
      * RF discovery immediately.
      */
+    @callflow(next={"write", "close", "coreInitialized", "powerCycle", "controlGranted"})
     prediscover() generates (int32_t retval);
 
     /*
      * Close the NFC controller. Should free all resources.
      */
+    @exit
     close() generates (int32_t retval);
 
     /*
@@ -79,11 +86,13 @@ interface INfc {
      * Must only be called when there are no NCI commands pending.
      * NfcEvent.RELEASE_CONTROL will notify when HAL no longer needs exclusive control.
      */
+    @callflow(next={"write", "close", "prediscover", "coreInitialized", "powerCycle"})
     controlGranted() generates (int32_t retval);
 
      /*
      * Restart controller by power cyle;
      * NfcEvent.OPEN_CPLT will notify when operation is complete.
      */
+    @callflow(next={"write", "coreInitialized", "prediscover", "controlGranted", "close"})
     powerCycle() generates (int32_t retval);
 };