linux/drivers/gpu/drm/gma500/backlight.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * GMA500 Backlight Interface
 *
 * Copyright (c) 2009-2011, Intel Corporation.
 *
 * Authors: Eric Knopp
 */

#include <linux/backlight.h>

#include <acpi/video.h>

#include "psb_drv.h"
#include "psb_intel_reg.h"
#include "psb_intel_drv.h"
#include "intel_bios.h"
#include "power.h"

void gma_backlight_enable(struct drm_device *dev)
{ … }

void gma_backlight_disable(struct drm_device *dev)
{ … }

void gma_backlight_set(struct drm_device *dev, int v)
{ … }

static int gma_backlight_get_brightness(struct backlight_device *bd)
{ … }

static int gma_backlight_update_status(struct backlight_device *bd)
{ … }

static const struct backlight_ops gma_backlight_ops __maybe_unused = …;

int gma_backlight_init(struct drm_device *dev)
{ … }

void gma_backlight_exit(struct drm_device *dev)
{ … }