diff options
Diffstat (limited to 'kernel/include/acpi/video.h')
| -rw-r--r-- | kernel/include/acpi/video.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/kernel/include/acpi/video.h b/kernel/include/acpi/video.h new file mode 100644 index 000000000..843ef1adf --- /dev/null +++ b/kernel/include/acpi/video.h @@ -0,0 +1,38 @@ +#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 void acpi_video_unregister_backlight(void); +extern int acpi_video_get_edid(struct acpi_device *device, int type, + int device_id, void **edid); +extern bool acpi_video_verify_backlight_support(void); +#else +static inline int acpi_video_register(void) { return 0; } +static inline void acpi_video_unregister(void) { return; } +static inline void acpi_video_unregister_backlight(void) { return; } +static inline int acpi_video_get_edid(struct acpi_device *device, int type, + int device_id, void **edid) +{ + return -ENODEV; +} +static inline bool acpi_video_verify_backlight_support(void) { return false; } +#endif + +#endif |