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/* Copyright 2021 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.
*/
/* Corsola baseboard-chipset specific configuration */
#include <zephyr/init.h>
#include <ap_power/ap_power.h>
#include <zephyr/drivers/gpio.h>
#include "gpio.h"
static void board_backlight_handler(struct ap_power_ev_callback *cb,
struct ap_power_ev_data data)
{
int value;
switch (data.event) {
default:
return;
case AP_POWER_RESUME:
/* Called on AP S3 -> S0 transition */
value = 1;
break;
case AP_POWER_SUSPEND:
/* Called on AP S0 -> S3 transition */
value = 0;
break;
}
gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_ec_bl_en_od), value);
}
static int install_backlight_handler(const struct device *unused)
{
static struct ap_power_ev_callback cb;
/*
* Add a callback for suspend/resume to
* control the keyboard backlight.
*/
ap_power_ev_init_callback(&cb, board_backlight_handler,
AP_POWER_RESUME | AP_POWER_SUSPEND);
ap_power_ev_add_callback(&cb);
return 0;
}
SYS_INIT(install_backlight_handler, APPLICATION, 1);
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