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base-files: add option to set LED brightness

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Add option to set LED brightness via uci:

config led 'led_blue'
        option name 'blue'
        option sysfs 'blue:status'
        option brightness '1'

Signed-off-by: Paweł Owoc <frut3k7@gmail.com>

Link: https://github.com/openwrt/openwrt/pull/17190
Signed-off-by: John Crispin <john@phrozen.org>
This commit is contained in:
Paweł Owoc 2024-12-06 17:11:59 +01:00 committed by John Crispin
parent 3710323a46
commit cbdfd03e42
1 changed files with 4 additions and 1 deletions
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5
package/base-files/files/etc/init.d/led
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@ -51,6 +51,7 @@ load_led() {
local delayon
local delayoff
local interval
local brightness
config_get sysfs $1 sysfs
config_get name $1 name "$sysfs"
@ -67,6 +68,7 @@ load_led() {
config_get message $1 message ""
config_get gpio $1 gpio "0"
config_get_bool inverted $1 inverted "0"
config_get brightness $1 brightness
[ "$2" ] && [ "$sysfs" != "$2" ] && return
@ -105,7 +107,8 @@ load_led() {
echo 0 >/sys/class/leds/${sysfs}/brightness
[ $default = 1 ] &&
cat /sys/class/leds/${sysfs}/max_brightness > /sys/class/leds/${sysfs}/brightness
[ -z "$brightness" ] && brightness=$(cat /sys/class/leds/${sysfs}/max_brightness)
echo $brightness > /sys/class/leds/${sysfs}/brightness
led_color_set "$1" "$sysfs"