ec.c

Go to the documentation of this file.

/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <acpi/acpi.h>
#include <console/console.h>
#include <ec/smsc/mec1308/ec.h>
#include "ec.h"
 
void lumpy_ec_init(void)
{
        printk(BIOS_DEBUG, "%s\n", __func__);
 
        if (acpi_is_wakeup_s3())
                return;
 
        /*
         * Enable EC control of fan speed.
         *
         * This will be changed to OS control in ACPI EC _REG
         * method when the OS is ready to control the fan.
         */
        ec_write(EC_FAN_SPEED, 0);
 
        send_ec_command_data(EC_BATTERY_MODE, EC_BATTERY_MODE_NORMAL);
        send_ec_command_data(EC_POWER_BUTTON_MODE, EC_POWER_BUTTON_MODE_OS);
        send_ec_command(EC_SMI_DISABLE);
        send_ec_command(EC_ACPI_ENABLE);
        send_ec_command(EC_BACKLIGHT_ON);
}