1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * apple_bl exported symbols 4 */ 5 6 #ifndef _LINUX_APPLE_BL_H 7 #define _LINUX_APPLE_BL_H 8 9 #if defined(CONFIG_BACKLIGHT_APPLE) || defined(CONFIG_BACKLIGHT_APPLE_MODULE) 10 11 extern int apple_bl_register(void); 12 extern void apple_bl_unregister(void); 13 14 #else /* !CONFIG_BACKLIGHT_APPLE */ 15 apple_bl_register(void)16static inline int apple_bl_register(void) 17 { 18 return 0; 19 } 20 apple_bl_unregister(void)21static inline void apple_bl_unregister(void) 22 { 23 } 24 25 #endif /* !CONFIG_BACKLIGHT_APPLE */ 26 27 #endif /* _LINUX_APPLE_BL_H */ 28