Release 4.16 include/acpi/video.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ACPI_VIDEO_H
#define __ACPI_VIDEO_H
#include <linux/errno.h> /* for ENODEV */
#include <linux/types.h> /* for bool */
struct acpi_video_brightness_flags {
u8 _BCL_no_ac_battery_levels:1; /* no AC/Battery levels in _BCL */
u8 _BCL_reversed:1; /* _BCL package is in a reversed order */
u8 _BQC_use_index:1; /* _BQC returns an index value */
};
struct acpi_video_device_brightness {
int curr;
int count;
int *levels;
struct acpi_video_brightness_flags flags;
};
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
#define ACPI_VIDEO_NOTIFY_SWITCH 0x80
#define ACPI_VIDEO_NOTIFY_PROBE 0x81
#define ACPI_VIDEO_NOTIFY_CYCLE 0x82
#define ACPI_VIDEO_NOTIFY_NEXT_OUTPUT 0x83
#define ACPI_VIDEO_NOTIFY_PREV_OUTPUT 0x84
#define ACPI_VIDEO_NOTIFY_CYCLE_BRIGHTNESS 0x85
#define ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS 0x86
#define ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS 0x87
#define ACPI_VIDEO_NOTIFY_ZERO_BRIGHTNESS 0x88
#define ACPI_VIDEO_NOTIFY_DISPLAY_OFF 0x89
enum acpi_backlight_type {
acpi_backlight_undef = -1,
acpi_backlight_none = 0,
acpi_backlight_video,
acpi_backlight_vendor,
acpi_backlight_native,
};
#if IS_ENABLED(CONFIG_ACPI_VIDEO)
extern int acpi_video_register(void);
extern void acpi_video_unregister(void);
extern int acpi_video_get_edid(struct acpi_device *device, int type,
int device_id, void **edid);
extern enum acpi_backlight_type acpi_video_get_backlight_type(void);
extern void acpi_video_set_dmi_backlight_type(enum acpi_backlight_type type);
/*
* Note: The value returned by acpi_video_handles_brightness_key_presses()
* may change over time and should not be cached.
*/
extern bool acpi_video_handles_brightness_key_presses(void);
extern int acpi_video_get_levels(struct acpi_device *device,
struct acpi_video_device_brightness **dev_br,
int *pmax_level);
#else
static inline int acpi_video_register(void) { return -ENODEV; }
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Matthew Garrett | 11 | 84.62% | 1 | 50.00% |
| Arvind Yadav | 2 | 15.38% | 1 | 50.00% |
| Total | 13 | 100.00% | 2 | 100.00% |
static inline void acpi_video_unregister(void) { return; }
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Matthew Garrett | 9 | 90.00% | 1 | 50.00% |
| Yakui Zhao | 1 | 10.00% | 1 | 50.00% |
| Total | 10 | 100.00% | 2 | 100.00% |
static inline int acpi_video_get_edid(struct acpi_device *device, int type,
int device_id, void **edid)
{
return -ENODEV;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Matthew Garrett | 27 | 100.00% | 1 | 100.00% |
| Total | 27 | 100.00% | 1 | 100.00% |
static inline enum acpi_backlight_type acpi_video_get_backlight_type(void)
{
return acpi_backlight_vendor;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hans de Goede | 13 | 100.00% | 1 | 100.00% |
| Total | 13 | 100.00% | 1 | 100.00% |
static inline void acpi_video_set_dmi_backlight_type(enum acpi_backlight_type type)
{
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hans de Goede | 9 | 90.00% | 1 | 50.00% |
| Borislav Petkov | 1 | 10.00% | 1 | 50.00% |
| Total | 10 | 100.00% | 2 | 100.00% |
static inline bool acpi_video_handles_brightness_key_presses(void)
{
return false;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hans de Goede | 12 | 100.00% | 1 | 100.00% |
| Total | 12 | 100.00% | 1 | 100.00% |
static inline int acpi_video_get_levels(struct acpi_device *device,
struct acpi_video_device_brightness **dev_br,
int *pmax_level)
{
return -ENODEV;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Aaron Lu | 25 | 96.15% | 2 | 66.67% |
| Arnd Bergmann | 1 | 3.85% | 1 | 33.33% |
| Total | 26 | 100.00% | 3 | 100.00% |
#endif
#endif
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Matthew Garrett | 122 | 34.46% | 4 | 20.00% |
| Hans de Goede | 121 | 34.18% | 4 | 20.00% |
| Aaron Lu | 88 | 24.86% | 3 | 15.00% |
| Chris Wilson | 7 | 1.98% | 1 | 5.00% |
| Rafael J. Wysocki | 5 | 1.41% | 2 | 10.00% |
| Yakui Zhao | 3 | 0.85% | 1 | 5.00% |
| Sudeep Holla | 3 | 0.85% | 1 | 5.00% |
| Arvind Yadav | 2 | 0.56% | 1 | 5.00% |
| Borislav Petkov | 1 | 0.28% | 1 | 5.00% |
| Arnd Bergmann | 1 | 0.28% | 1 | 5.00% |
| Greg Kroah-Hartman | 1 | 0.28% | 1 | 5.00% |
| Total | 354 | 100.00% | 20 | 100.00% |
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