ipq806x: add support for indicating the boot and upgrade state using four leds

Signed-off-by: Henryk Heisig hyniu@o2.pl

target/linux/ipq806x/base-files/lib/ipq806x.sh

@@ -59,3 +59,15 @@ ipq806x_board_name() {
 
 	echo "$name"
 }
+
+ipq806x_get_dt_led() {
+	local label
+	local ledpath
+	local basepath="/sys/firmware/devicetree/base"
+	local nodepath="$basepath/aliases/led-$1"
+
+	[ -f "$nodepath" ] && ledpath=$(cat "$nodepath")
+	[ -n "$ledpath" ] && label=$(cat "$basepath$ledpath/label")
+
+	echo "$label"
+}

target/linux/ipq806x/base-files/lib/upgrade/platform.sh

@@ -59,3 +59,9 @@ platform_do_upgrade() {
 		;;
 	esac
 }
+
+blink_led() {
+	. /etc/diag.sh; set_state upgrade
+}
+
+append sysupgrade_pre_upgrade blink_led