tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef __ACPI_VIDEO_H
2#define __ACPI_VIDEO_H
3
4#include <linux/errno.h> /* for ENODEV */
5
6struct acpi_device;
7
8#define ACPI_VIDEO_CLASS "video"
9
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
19#if (defined CONFIG_ACPI_VIDEO || defined CONFIG_ACPI_VIDEO_MODULE)
20extern int acpi_video_register(void);
21extern void acpi_video_unregister(void);
22extern void acpi_video_unregister_backlight(void);
23extern int acpi_video_get_edid(struct acpi_device *device, int type,
24 int device_id, void **edid);
25#else
26static inline int acpi_video_register(void) { return 0; }
27static inline void acpi_video_unregister(void) { return; }
28static inline void acpi_video_unregister_backlight(void) { return; }
29static inline int acpi_video_get_edid(struct acpi_device *device, int type,
30 int device_id, void **edid)
31{
32 return -ENODEV;
33}
34#endif
35
36#endif