On Monday 22 May 2006 9:21 am, Andy Kennedy wrote: > Is there a way to signal the device to stop the cycle and actually power > off the LED? You might be able to ask the device to suspend -- using the deprecated /sys/devices/.../power/state files -- which in common cases means that bus-powered devices won't be able to keep a LED powered. But LEDs are highly device-specific, so there can be no general rules. - Dave