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e7d024c00a
acpi_video_unregister_backlight() is now only used by video_detect.c which is part of the same acpi_video module as video.c, make acpi_video_unregister_backlight() private to this module. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
#ifndef __ACPI_VIDEO_H
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#define __ACPI_VIDEO_H
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#include <linux/errno.h> /* for ENODEV */
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struct acpi_device;
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#define ACPI_VIDEO_CLASS "video"
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#define ACPI_VIDEO_DISPLAY_CRT 1
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#define ACPI_VIDEO_DISPLAY_TV 2
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#define ACPI_VIDEO_DISPLAY_DVI 3
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#define ACPI_VIDEO_DISPLAY_LCD 4
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#define ACPI_VIDEO_DISPLAY_LEGACY_MONITOR 0x0100
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#define ACPI_VIDEO_DISPLAY_LEGACY_PANEL 0x0110
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#define ACPI_VIDEO_DISPLAY_LEGACY_TV 0x0200
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enum acpi_backlight_type {
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acpi_backlight_undef = -1,
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acpi_backlight_none = 0,
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acpi_backlight_video,
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acpi_backlight_vendor,
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acpi_backlight_native,
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};
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#if (defined CONFIG_ACPI_VIDEO || defined CONFIG_ACPI_VIDEO_MODULE)
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extern int acpi_video_register(void);
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extern void acpi_video_unregister(void);
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extern int acpi_video_get_edid(struct acpi_device *device, int type,
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int device_id, void **edid);
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extern enum acpi_backlight_type acpi_video_get_backlight_type(void);
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extern void acpi_video_set_dmi_backlight_type(enum acpi_backlight_type type);
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#else
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static inline int acpi_video_register(void) { return 0; }
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static inline void acpi_video_unregister(void) { return; }
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static inline int acpi_video_get_edid(struct acpi_device *device, int type,
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int device_id, void **edid)
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{
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return -ENODEV;
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}
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static inline enum acpi_backlight_type acpi_video_get_backlight_type(void)
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{
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return acpi_backlight_vendor;
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}
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static void acpi_video_set_dmi_backlight_type(enum acpi_backlight_type type)
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{
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}
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#endif
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#endif
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