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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_LED_H__
#define __HW_LED_H__
#include <hw/common.h>
/**
* The id of this device
*/
#define LED_HARDWARE_DEVICE_ID "led"
/**
* The version of this device
*/
#define LED_HARDWARE_DEVICE_VERSION MAKE_VERSION(1,0)
/**
* The id of led devices
*/
#define LED_ID_CAMERA_BACK "camera_back"
#define LED_ID_CAMERA_FRONT "camera_front"
#define LED_ID_NOTIFICATION "notification"
#define LED_ID_TOUCH_KEY "touch_key"
enum led_type {
LED_TYPE_MANUAL,
LED_TYPE_BLINK,
};
struct led_state {
/* Led type */
enum led_type type;
/**
* The first byte means opaque and the other 3 bytes are RGB values.
* You can use opaque byte as a led brightness value.
* If the first byte is 0x00, led will be turned off.
* Anything else will be worked as on. The max value is 0xFF.
*/
unsigned int color;
/* Turn on time in milliseconds */
int duty_on;
/* Turn off time in milliseconds */
int duty_off;
};
struct led_device {
struct hw_common common;
/**
* Set led state
*/
int (*set_state)(struct led_state *state);
/**
* Get led number
*/
int (*get_number)(void);
};
#endif
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