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>
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"
}