#ifndef __ACPI_VIDEO_H #define __ACPI_VIDEO_H #include /* for ENODEV */ #include /* 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; } static inline void acpi_video_unregister(void) { return; } static inline int acpi_video_get_edid(struct acpi_device *device, int type, int device_id, void **edid) { return -ENODEV; } static inline enum acpi_backlight_type acpi_video_get_backlight_type(void) { return acpi_backlight_vendor; } static inline void acpi_video_set_dmi_backlight_type(enum acpi_backlight_type type) { } static inline bool acpi_video_handles_brightness_key_presses(void) { return false; } static inline int acpi_video_get_levels(struct acpi_device *device, struct acpi_video_device_brightness **dev_br, int *pmax_level) { return -ENODEV; } #endif #endif 2ba90ccca7758fe77f47750dc8a938a99b8bd4af'>Documentation/devicetree
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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2016-12-01 10:15:11 -0200
committerJonathan Corbet <corbet@lwn.net>2016-12-01 10:46:01 -0700
commit2ba90ccca7758fe77f47750dc8a938a99b8bd4af (patch)
tree16e1498b11f39c5857946b1fc406d3b87ac71aef /Documentation/devicetree
parentc3cbd075fce77cf3f8782be9f971e8257508c98e (diff)
core-api: remove an unexpected unident
As complained by Sphinx: Documentation/core-api/assoc_array.rst:13: WARNING: Enumerated list ends without a blank line; unexpected unindent. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/devicetree')