| #!/bin/bash |
| # Copyright 2019 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. |
| |
| . /usr/share/misc/shflags || exit 1 |
| |
| # The USB device path detected by udev rule. |
| DEFINE_string 'dev' '' "device path" 'd' |
| |
| # Parse command line. |
| FLAGS "$@" || exit 1 |
| eval set -- "${FLAGS_ARGV}" |
| |
| # die on error. |
| set -e |
| |
| main() { |
| control=/sys/"${FLAGS_dev}/power/control" |
| |
| if [ ! -f "$control" ]; then |
| exit 1 |
| fi |
| |
| # disable runtime suspend |
| echo on > "$control" |
| } |
| |
| main "$@" |
| |
