src/mainboard/intel/emeraldlake2/ec.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <acpi/acpi.h>
   4 #include <console/console.h>
   5 #include <ec/smsc/mec1308/ec.h>
   6 #include "ec.h"
   7
   8 void lumpy_ec_init(void)
   9 {
  10         printk(BIOS_DEBUG, "%s\n", __func__);
  11
  12         if (acpi_is_wakeup_s3())
  13                 return;
  14
  15         /*
  16          * Enable EC control of fan speed.
  17          *
  18          * This will be changed to OS control in ACPI EC _REG
  19          * method when the OS is ready to control the fan.
  20          */
  21         ec_write(EC_FAN_SPEED, 0);
  22
  23         send_ec_command_data(EC_BATTERY_MODE, EC_BATTERY_MODE_NORMAL);
  24         send_ec_command_data(EC_POWER_BUTTON_MODE, EC_POWER_BUTTON_MODE_OS);
  25         send_ec_command(EC_SMI_DISABLE);
  26         send_ec_command(EC_ACPI_ENABLE);
  27         send_ec_command(EC_BACKLIGHT_ON);
  28 }