]>
Commit | Line | Data |
---|---|---|
74a365b3 MG |
1 | #ifndef __ACPI_VIDEO_H |
2 | #define __ACPI_VIDEO_H | |
3 | ||
b72512ed CW |
4 | #include <linux/errno.h> /* for ENODEV */ |
5 | ||
6 | struct acpi_device; | |
7 | ||
f5a3d0c4 MG |
8 | #define ACPI_VIDEO_CLASS "video" |
9 | ||
e92a7162 MG |
10 | #define ACPI_VIDEO_DISPLAY_CRT 1 |
11 | #define ACPI_VIDEO_DISPLAY_TV 2 | |
12 | #define ACPI_VIDEO_DISPLAY_DVI 3 | |
13 | #define ACPI_VIDEO_DISPLAY_LCD 4 | |
14 | ||
15 | #define ACPI_VIDEO_DISPLAY_LEGACY_MONITOR 0x0100 | |
16 | #define ACPI_VIDEO_DISPLAY_LEGACY_PANEL 0x0110 | |
17 | #define ACPI_VIDEO_DISPLAY_LEGACY_TV 0x0200 | |
18 | ||
87521e16 HG |
19 | enum acpi_backlight_type { |
20 | acpi_backlight_undef = -1, | |
21 | acpi_backlight_none = 0, | |
22 | acpi_backlight_video, | |
23 | acpi_backlight_vendor, | |
24 | acpi_backlight_native, | |
25 | }; | |
26 | ||
bcb2b0b2 | 27 | #if IS_ENABLED(CONFIG_ACPI_VIDEO) |
8e5c2b77 | 28 | extern int acpi_video_register(void); |
86e437f0 | 29 | extern void acpi_video_unregister(void); |
e92a7162 MG |
30 | extern int acpi_video_get_edid(struct acpi_device *device, int type, |
31 | int device_id, void **edid); | |
87521e16 HG |
32 | extern enum acpi_backlight_type acpi_video_get_backlight_type(void); |
33 | extern void acpi_video_set_dmi_backlight_type(enum acpi_backlight_type type); | |
74a365b3 MG |
34 | #else |
35 | static inline int acpi_video_register(void) { return 0; } | |
86e437f0 | 36 | static inline void acpi_video_unregister(void) { return; } |
e92a7162 MG |
37 | static inline int acpi_video_get_edid(struct acpi_device *device, int type, |
38 | int device_id, void **edid) | |
39 | { | |
40 | return -ENODEV; | |
41 | } | |
87521e16 HG |
42 | static inline enum acpi_backlight_type acpi_video_get_backlight_type(void) |
43 | { | |
44 | return acpi_backlight_vendor; | |
45 | } | |
eddda195 | 46 | static inline void acpi_video_set_dmi_backlight_type(enum acpi_backlight_type type) |
87521e16 HG |
47 | { |
48 | } | |
74a365b3 MG |
49 | #endif |
50 | ||
51 | #endif |