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/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* Backlight API for Chrome EC */
#ifndef __CROS_EC_BACKLIGHT_H
#define __CROS_EC_BACKLIGHT_H
#include "common.h"
#include "gpio.h"
/**
* Interrupt handler for backlight.
*
* @param signal Signal which triggered the interrupt.
*/
#ifdef CONFIG_BACKLIGHT_REQ_GPIO
void backlight_interrupt(enum gpio_signal signal);
#else
static inline void backlight_interrupt(enum gpio_signal signal) { }
#endif /* !CONFIG_BACKLIGHT_REQ_GPIO */
/**
* Activate/Deactivate the backlight GPIO pin considering active high or low.
*/
void enable_backlight(int enabled);
#endif /* __CROS_EC_BACKLIGHT_H */
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