diff options
Diffstat (limited to 'include/acpi/video.h')
| -rw-r--r-- | include/acpi/video.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/include/acpi/video.h b/include/acpi/video.h index 551793c9b6e..843ef1adfbf 100644 --- a/include/acpi/video.h +++ b/include/acpi/video.h @@ -1,6 +1,12 @@ #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 @@ -13,17 +19,20 @@ #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 - |