linux/drivers/video/fbdev/aty/radeon_backlight.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Backlight code for ATI Radeon based graphic cards
 *
 * Copyright (c) 2000 Ani Joshi <[email protected]>
 * Copyright (c) 2003 Benjamin Herrenschmidt <[email protected]>
 * Copyright (c) 2006 Michael Hanselmann <[email protected]>
 */

#include "radeonfb.h"
#include <linux/backlight.h>
#include <linux/slab.h>

#ifdef CONFIG_PMAC_BACKLIGHT
#include <asm/backlight.h>
#endif

#define MAX_RADEON_LEVEL …

struct radeon_bl_privdata { … };

static int radeon_bl_get_level_brightness(struct radeon_bl_privdata *pdata,
		int level)
{ … }

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

static const struct backlight_ops radeon_bl_data = …;

void radeonfb_bl_init(struct radeonfb_info *rinfo)
{ … }

void radeonfb_bl_exit(struct radeonfb_info *rinfo)
{ … }