1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Surface System Aggregator Module bus and device integration.
4  *
5  * Copyright (C) 2019-2022 Maximilian Luz <luzmaximilian@gmail.com>
6  */
7 
8 #ifndef _SURFACE_AGGREGATOR_BUS_H
9 #define _SURFACE_AGGREGATOR_BUS_H
10 
11 #include <linux/surface_aggregator/controller.h>
12 
13 #ifdef CONFIG_SURFACE_AGGREGATOR_BUS
14 
15 int ssam_bus_register(void);
16 void ssam_bus_unregister(void);
17 
18 #else /* CONFIG_SURFACE_AGGREGATOR_BUS */
19 
20 static inline int ssam_bus_register(void) { return 0; }
21 static inline void ssam_bus_unregister(void) {}
22 
23 #endif /* CONFIG_SURFACE_AGGREGATOR_BUS */
24 #endif /* _SURFACE_AGGREGATOR_BUS_H */
25