video.h 1.1 KB

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  1. #ifndef __ACPI_VIDEO_H
  2. #define __ACPI_VIDEO_H
  3. #include <linux/errno.h> /* for ENODEV */
  4. struct acpi_device;
  5. #define ACPI_VIDEO_CLASS "video"
  6. #define ACPI_VIDEO_DISPLAY_CRT 1
  7. #define ACPI_VIDEO_DISPLAY_TV 2
  8. #define ACPI_VIDEO_DISPLAY_DVI 3
  9. #define ACPI_VIDEO_DISPLAY_LCD 4
  10. #define ACPI_VIDEO_DISPLAY_LEGACY_MONITOR 0x0100
  11. #define ACPI_VIDEO_DISPLAY_LEGACY_PANEL 0x0110
  12. #define ACPI_VIDEO_DISPLAY_LEGACY_TV 0x0200
  13. #if (defined CONFIG_ACPI_VIDEO || defined CONFIG_ACPI_VIDEO_MODULE)
  14. extern int acpi_video_register(void);
  15. extern void acpi_video_unregister(void);
  16. extern void acpi_video_unregister_backlight(void);
  17. extern int acpi_video_get_edid(struct acpi_device *device, int type,
  18. int device_id, void **edid);
  19. #else
  20. static inline int acpi_video_register(void) { return 0; }
  21. static inline void acpi_video_unregister(void) { return; }
  22. static inline void acpi_video_unregister_backlight(void) { return; }
  23. static inline int acpi_video_get_edid(struct acpi_device *device, int type,
  24. int device_id, void **edid)
  25. {
  26. return -ENODEV;
  27. }
  28. #endif
  29. #endif