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/*
* Copyright 2010, Intel Corporation
*
* This file is part of PowerTOP
*
* This program file is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program in a file named COPYING; if not, write to the
* Free Software Foundation, Inc,
* 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
* or just google for it.
*
* Authors:
* Arjan van de Ven <arjan@linux.intel.com>
*/
#ifndef _INCLUDE_GUARD_BACKLIGHT_H
#define _INCLUDE_GUARD_BACKLIGHT_H
#include <limits.h>
#include "device.h"
class backlight: public device {
int min_level, max_level;
int start_level, end_level;
char sysfs_path[PATH_MAX];
char name[4096];
int r_index;
int r_index_power;
public:
backlight(const char *_name, const char *path);
virtual void start_measurement(void);
virtual void end_measurement(void);
virtual double utilization(void); /* percentage */
virtual const char * class_name(void) { return "backlight";};
virtual const char * device_name(void);
virtual const char * human_name(void) { return "Display backlight";};
virtual double power_usage(struct result_bundle *result, struct parameter_bundle *bundle);
virtual int grouping_prio(void) { return 10; };
};
extern void create_all_backlights(void);
#endif
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