Subject: Re: [PATCH] Heartbeat LED for iBook

From: Segher Boessenkool <[email-masked]>
Date: Mon, 14 Feb 2005 14:14:40 +0100

> Btw, howto control it via /dev/adb? Can you point me to a document
> which explains that?

Write a byte 0x06 followed by the PMU packet (all in one write());
read back the PMU reply (all in one read()).

Segher