| /* Copyright 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 */ |
