From 4f4fc993db4cd074fb2b51586dadd10e882604ec Mon Sep 17 00:00:00 2001
From: Mathias Kresin <dev@kresin.me>
Date: Fri, 26 Jan 2018 23:36:50 +0100
Subject: [PATCH] base-files: add more name source to get_dt_led helper
 function

Not all LED driver are using the label devicetree property for the led
name. Add support for the TI/National Semiconductor LP55xx Led Drivers,
which are using the chan-name property for the led name, as fallback.

Signed-off-by: Mathias Kresin <dev@kresin.me>
---
 package/base-files/files/lib/functions/leds.sh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/package/base-files/files/lib/functions/leds.sh b/package/base-files/files/lib/functions/leds.sh
index 83e775fada..e4423b4cc8 100644
--- a/package/base-files/files/lib/functions/leds.sh
+++ b/package/base-files/files/lib/functions/leds.sh
@@ -8,7 +8,10 @@ get_dt_led() {
 	local nodepath="$basepath/aliases/led-$1"
 
 	[ -f "$nodepath" ] && ledpath=$(cat "$nodepath")
-	[ -n "$ledpath" ] && label=$(cat "$basepath$ledpath/label")
+	[ -n "$ledpath" ] && \
+		label=$(cat "$basepath$ledpath/label" 2>/dev/null) || \
+		label=$(cat "$basepath$ledpath/chan-name" 2>/dev/null) || \
+		echo "led label not found" 1>&2
 
 	echo "$label"
 }
-- 
2.30.2