luci-app-led-scheduler/root/usr/share/rpcd/acl.d/luci-app-led-scheduler.json

{
	"luci-app-led-scheduler": {
		"description": "Grant access to LED Scheduler",
		"read": {
			"uci": [
				"led-scheduler",
				"system"
			]
		},
		"write": {
			"file": {
				"/usr/bin/led-control": [ "exec" ]
			},
			"uci": [
				"led-scheduler"
			]
		}
	}
}