1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Surface System Aggregator Module bus and device integration. 4 * 5 * Copyright (C) 2019-2021 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