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From: Segher Boessenkool <segher@kernel.crashing.org>
Date: Mon, 14 Feb 2005 14:14:40 +0100
To: Nico Schottelius <nico-linux-ppc@schottelius.org>
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Subject: Re: [PATCH] Heartbeat LED for iBook
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> 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