power_manager/tools/thermal_zone_config

#!/bin/sh

# Copyright 2020 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.

TZ_CONF_FILE=/etc/thermal_zone.conf

# 'declare' config variables to keep Shellcheck happy
THERMAL_ZONES=""
THERMAL_GOVERNOR=""

if [ ! -e "${TZ_CONF_FILE}" ]; then
  exit 0
fi

# shellcheck source=/dev/null
. "${TZ_CONF_FILE}"

for tz_path in /sys/class/thermal/thermal_zone*; do
  tz_name=$(cat "${tz_path}/type");

  for z in ${THERMAL_ZONES}; do
    if [ "${z}" = "${tz_name}" ]; then
      echo "${THERMAL_GOVERNOR}" > "${tz_path}/policy"
    fi
  done
done