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) 14 extern int acpi_video_register(void); 15 extern void acpi_video_unregister(void); 16 extern int acpi_video_get_edid(struct acpi_device *device, int type, 17 int device_id, void **edid); 18 #else 19 static inline int acpi_video_register(void) { return 0; } 20 static inline void acpi_video_unregister(void) { return; } 21 static 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 30