2 ###############################################################################
4 # IPFire.org - A linux based firewall #
5 # Copyright (C) 2018 IPFire Network Development Team #
7 # This program is free software: you can redistribute it and/or modify #
8 # it under the terms of the GNU General Public License as published by #
9 # the Free Software Foundation, either version 3 of the License, or #
10 # (at your option) any later version. #
12 # This program is distributed in the hope that it will be useful, #
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of #
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
15 # GNU General Public License for more details. #
17 # You should have received a copy of the GNU General Public License #
18 # along with this program. If not, see <http://www.gnu.org/licenses/>. #
20 ###############################################################################
26 file_exists
"/sys/class/leds/${led}"
29 led_get_supported_triggers
() {
32 if ! led_exists
"${led}"; then
33 error
"LED ${led} does not exist"
37 local triggers
="$(fread "/sys
/class
/leds
/${led}/trigger
")"
39 # Filter markers for active trigger
40 print
"${triggers//[\[\]]/}"
50 local supported_triggers
="$(led_get_supported_triggers "${led}")"
51 if ! list_match
"${trigger}" ${supported_triggers}; then
52 log DEBUG
"Trigger ${trigger} is not supported by LED ${led}"
56 log DEBUG
"Setting LED trigger ${trigger} for ${led}"
57 fwrite
"/sys/class/leds/${led}/trigger" "${trigger}"