include/acpi/video.h

   1 #ifndef __ACPI_VIDEO_H
   2 #define __ACPI_VIDEO_H
   3
   4 #include <linux/errno.h> /* for ENODEV */
   5
   6 struct acpi_device;
   7
   8 #define ACPI_VIDEO_CLASS        "video"
   9
  10 #define ACPI_VIDEO_DISPLAY_CRT  1
  11 #define ACPI_VIDEO_DISPLAY_TV   2
  12 #define ACPI_VIDEO_DISPLAY_DVI  3
  13 #define ACPI_VIDEO_DISPLAY_LCD  4
  14
  15 #define ACPI_VIDEO_DISPLAY_LEGACY_MONITOR 0x0100
  16 #define ACPI_VIDEO_DISPLAY_LEGACY_PANEL   0x0110
  17 #define ACPI_VIDEO_DISPLAY_LEGACY_TV      0x0200
  18
  19 #if (defined CONFIG_ACPI_VIDEO || defined CONFIG_ACPI_VIDEO_MODULE)
  20 extern int __acpi_video_register(bool backlight_quirks);
  21 static inline int acpi_video_register(void)
  22 {
  23         return __acpi_video_register(false);
  24 }
  25 static inline int acpi_video_register_with_quirks(void)
  26 {
  27         return __acpi_video_register(true);
  28 }
  29 extern void acpi_video_unregister(void);
  30 extern int acpi_video_get_edid(struct acpi_device *device, int type,
  31                                int device_id, void **edid);
  32 #else
  33 static inline int acpi_video_register(void) { return 0; }
  34 static inline int acpi_video_register_with_quirks(void) { return 0; }
  35 static inline void acpi_video_unregister(void) { return; }
  36 static inline int acpi_video_get_edid(struct acpi_device *device, int type,
  37                                       int device_id, void **edid)
  38 {
  39         return -ENODEV;
  40 }
  41 #endif
  42
  43 #endif