openwrtv4/target/linux/lantiq/base-files/lib/functions/lantiq.sh
Mathias Kresin da472e5b30 treewide: access device tree from userspace via /proc/
Access the device tree via /proc/device-tree/ is the documented way to
access the properties. Everything else might not work in future.

Signed-off-by: Mathias Kresin <dev@kresin.me>
2017-05-26 08:04:15 +02:00

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#!/bin/sh
lantiq_get_dt_led() {
local label
local ledpath
local basepath="/proc/device-tree/base"
local nodepath="$basepath/aliases/led-$1"
[ -f "$nodepath" ] && ledpath=$(cat "$nodepath")
[ -n "$ledpath" ] && label=$(cat "$basepath$ledpath/label")
echo "$label"
}
lantiq_is_vdsl_system() {
grep -qE "system type.*: (VR9|xRX200)" /proc/cpuinfo
}