include/linux/apple_bl.h

   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
  16 static inline int apple_bl_register(void)
  17 {
  18         return 0;
  19 }
  20
  21 static inline void apple_bl_unregister(void)
  22 {
  23 }
  24
  25 #endif /* !CONFIG_BACKLIGHT_APPLE */
  26
  27 #endif /* _LINUX_APPLE_BL_H */