Re: [PATCH] panasonic-laptop.c: add support for optical drive power control

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Harald, Len,

> Harald,
> It's your driver.  What do you what to do with this patch.
> 
> I'd delegate http://patchwork.kernel.org/patch/2372/
> to you, but you don't seem to have a patchwork account yet.

Please don't apply this just yet.  I've recently managed to get hold of
some DSDT dumps from a Panasonic CF-W5 and they've changed the CD power
management methods so as it stands the patch will only work on a CF-W4 (and
possibly older models).

I'm currently trying to get a contact at Panasonic in Japan to see if they
can provide some documentation.  If not, at the very least a more generic
approach that would work would be to call _EJ0 on the OPTD device for power
off, but I've not been able to figure out from the ACPICA documentation how
I can search the device tree for an OPTD device.

Thanks,

-mato
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