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