Fingerprint: Add an API to support throttling.
Bug: 22568569
Change-Id: I948ac0f55bc5fbc61d0eacdc5caef0e2bf0746a2
Signed-off-by: Sasha Levitskiy <sanek@google.com>
diff --git a/include/hardware/fingerprint.h b/include/hardware/fingerprint.h
index 618ca7e..b567732 100644
--- a/include/hardware/fingerprint.h
+++ b/include/hardware/fingerprint.h
@@ -50,6 +50,7 @@
FINGERPRINT_ERROR_NO_SPACE = 4, /* No space available to store a template */
FINGERPRINT_ERROR_CANCELED = 5, /* The current operation can't proceed. See above. */
FINGERPRINT_ERROR_UNABLE_TO_REMOVE = 6, /* fingerprint with given id can't be removed */
+ FINGERPRINT_ERROR_LOCKOUT = 7, /* the functionality is temporarily locked out */
FINGERPRINT_ERROR_VENDOR_BASE = 1000 /* vendor-specific error messages start here */
} fingerprint_error_t;
@@ -250,8 +251,16 @@
*/
int (*authenticate)(struct fingerprint_device *dev, uint64_t operation_id, uint32_t gid);
+ /*
+ * Resets a lockout by providing a valid hardware authentication token.
+ *
+ * Function return: 0 on success
+ * or a negative number in case of error, generally from the errno.h set.
+ */
+ int (*reset_lockout)(struct fingerprint_device *dev, const hw_auth_token_t *hat);
+
/* Reserved for backward binary compatibility */
- void *reserved[4];
+ void *reserved[3];
} fingerprint_device_t;
typedef struct fingerprint_module {