125 typedef struct fingerprint_device {  struct
149     int (*set_notify)(struct fingerprint_device *dev, fingerprint_notify_t notify);  argument
161     uint64_t (*pre_enroll)(struct fingerprint_device *dev);  argument
177     int (*enroll)(struct fingerprint_device *dev, const hw_auth_token_t *hat,  argument
188     int (*post_enroll)(struct fingerprint_device *dev);  argument
198     uint64_t (*get_authenticator_id)(struct fingerprint_device *dev);  argument
208     int (*cancel)(struct fingerprint_device *dev);  argument
223     int (*enumerate)(struct fingerprint_device *dev);  argument
241     int (*remove)(struct fingerprint_device *dev, uint32_t gid, uint32_t fid);  argument
252     int (*set_active_group)(struct fingerprint_device *dev, uint32_t gid,  argument
261     int (*authenticate)(struct fingerprint_device *dev, uint64_t operation_id, uint32_t gid);  argument
265 } fingerprint_device_t;  argument