base-files: unify get_dt_led helper function
Lantiq and IPQ806X (which includes IPQ40XX) both define the same custom function {ipq806x|lantiq}_get_dt_led. This patch moves the function into the base-file package at lib/functions/leds.sh to make it more accessible for other targets as well. Cc: Mathias Kresin <dev@kresin.me> Cc: John Crispin <john@phrozen.org> Cc: Hannu Nyman <hannu.nyman@iki.fi> Signed-off-by: Christian Lamparter <chunkeey@gmail.com>v19.07.3_mercusys_ac12_duma
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#!/bin/sh
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lantiq_get_dt_led() {
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local label
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local ledpath
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local basepath="/proc/device-tree"
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local nodepath="$basepath/aliases/led-$1"
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[ -f "$nodepath" ] && ledpath=$(cat "$nodepath")
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[ -n "$ledpath" ] && label=$(cat "$basepath$ledpath/label")
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echo "$label"
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}
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lantiq_is_vdsl_system() {
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grep -qE "system type.*: (VR9|xRX200)" /proc/cpuinfo
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}
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