Linux Kernel  3.7.1
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video.h
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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(void);
21 extern void acpi_video_unregister(void);
22 extern int acpi_video_get_edid(struct acpi_device *device, int type,
23  int device_id, void **edid);
24 #else
25 static inline int acpi_video_register(void) { return 0; }
26 static inline void acpi_video_unregister(void) { return; }
27 static inline int acpi_video_get_edid(struct acpi_device *device, int type,
28  int device_id, void **edid)
29 {
30  return -ENODEV;
31 }
32 #endif
33 
34 #endif