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_DISPLAY_CRT 1 9 #define ACPI_VIDEO_DISPLAY_TV 2 10 #define ACPI_VIDEO_DISPLAY_DVI 3 11 #define ACPI_VIDEO_DISPLAY_LCD 4 12 13 #define ACPI_VIDEO_DISPLAY_LEGACY_MONITOR 0x0100 14 #define ACPI_VIDEO_DISPLAY_LEGACY_PANEL 0x0110 15 #define ACPI_VIDEO_DISPLAY_LEGACY_TV 0x0200 16 17 #if (defined CONFIG_ACPI_VIDEO || defined CONFIG_ACPI_VIDEO_MODULE) 18 extern int acpi_video_register(void); 19 extern void acpi_video_unregister(void); 20 extern int acpi_video_get_edid(struct acpi_device *device, int type, 21 int device_id, void **edid); 22 #else 23 static inline int acpi_video_register(void) { return 0; } 24 static inline void acpi_video_unregister(void) { return; } 25 static inline int acpi_video_get_edid(struct acpi_device *device, int type, 26 int device_id, void **edid) 27 { 28 return -ENODEV; 29 } 30 #endif 31 32 #endif 33