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/*
* libdevice-node
*
* Copyright (c) 2015 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the License);
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __HW_BACKLIGHT_H__
#define __HW_BACKLIGHT_H__
#include <hw/common.h>
/**
* The id of this device
*/
#define BACKLIGHT_HARDWARE_DEVICE_ID "backlight"
/**
* The version of this device
*/
#define BACKLIGHT_HARDWARE_DEVICE_VERSION MAKE_VERSION(1,0)
/**
* The mode of backlight
*/
enum backlight_mode {
BACKLIGHT_MANUAL, /* Manual setting */
BACKLIGHT_SENSOR, /* Worked by sensor */
};
struct backlight_device {
struct hw_common common;
/**
* The brightness value is 0 to 100.
*/
int (*get_brightness)(int *brightness);
int (*set_brightness)(int brightness);
/**
* The backlight mode can be BACKLIGHT_MANUAL and BACKLIGHT_SENSOR.
*/
int (*get_mode)(enum backlight_mode *mode);
int (*set_mode)(enum backlight_mode mode);
};
#endif
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