Update Contexthub HAL 1.2
Update Contexthub HAL 1.2 to support passing permissions information
about host apps and nanoapps to the HAL and contexthub framework.
Bug: 166846988
Test: hidl-gen && Run VTS against default HAL
Change-Id: I483cb066b3228c4a80bab8f12f8bfee2610c9e6b
diff --git a/contexthub/1.2/IContexthub.hal b/contexthub/1.2/IContexthub.hal
index 819fc1d..3488b74 100644
--- a/contexthub/1.2/IContexthub.hal
+++ b/contexthub/1.2/IContexthub.hal
@@ -16,11 +16,41 @@
package android.hardware.contexthub@1.2;
+import @1.0::Result;
import @1.1::IContexthub;
import @1.1::SettingValue;
+import IContexthubCallback;
interface IContexthub extends @1.1::IContexthub {
/**
+ * Register a callback for the HAL implementation to send asynchronous
+ * messages to the service from a context hub. There can be a maximum of
+ * one callback registered with the HAL. A call to this function when a
+ * callback has already been registered must override the previous
+ * registration.
+ *
+ * @param hubId identifier for the hub
+ * @param callback an implementation of the IContextHubCallbacks
+ *
+ * @return result OK on success
+ * BAD_VALUE if parameters are not valid
+ *
+ */
+ registerCallback_1_2(uint32_t hubId, IContexthubCallback cb) generates (Result result);
+
+ /**
+ * Send a message to a hub
+ *
+ * @param hubId identifier for hub to send message to
+ * @param msg message to be sent
+ *
+ * @return result OK if successful, error code otherwise
+ * BAD_VALUE if parameters are not valid
+ * TRANSACTION_FAILED if message send failed
+ */
+ sendMessageToHub_1_2(uint32_t hubId, ContextHubMsg msg) generates (Result result);
+
+ /**
* Notification sent by the framework to indicate that the user
* has changed a setting.
*