#ifndef __ACPI_VIDEO_H #define __ACPI_VIDEO_H #include <linux/errno.h> /* for ENODEV */ struct acpi_device; #define ACPI_VIDEO_CLASS "video" #define ACPI_VIDEO_DISPLAY_CRT 1 #define ACPI_VIDEO_DISPLAY_TV 2 #define ACPI_VIDEO_DISPLAY_DVI 3 #define ACPI_VIDEO_DISPLAY_LCD 4 #define ACPI_VIDEO_DISPLAY_LEGACY_MONITOR 0x0100 #define ACPI_VIDEO_DISPLAY_LEGACY_PANEL 0x0110 #define ACPI_VIDEO_DISPLAY_LEGACY_TV 0x0200 #if (defined CONFIG_ACPI_VIDEO || defined CONFIG_ACPI_VIDEO_MODULE) extern int acpi_video_register(void); extern void acpi_video_unregister(void); extern int acpi_video_get_edid(struct acpi_device *device, int type, int device_id, void **edid); #else static inline int acpi_video_register(void) { return 0; } static inline void acpi_video_unregister(void) { return; } static inline int acpi_video_get_edid(struct acpi_device *device, int type, int device_id, void **edid) { return -ENODEV; } #endif #endif