Re: converting appletouch to usb autosuspend...

[Soeren Sonnenburg <kernel@nn7.de>]

On Sat, 2007-05-12 at 22:47 +0100, Alistair John Strachan wrote:
> On Saturday 12 May 2007 19:51:26 Soeren Sonnenburg wrote:
> > Dear all,
[...]
> > While we are at it usb related powerhogs on this macbook pro are
> > uhci_hcd (usb keyboard) and usb_hcd_poll_rh_status (rh_timer_func)
> > too...
> 
> I've found that hci_usb also hogs power on the Macbook; blacklisting this 
> module cuts down HZ considerably. I also found appletouch consumed ticks, 

I guess without loading appletouch ? Then there really is something in
there that needs to be fixed..

> just as you did.

What did you use instead of hci_usb then ? usbkbd ? This won't give you
the special keys etc...

> uhci_hcd then drops to noise; my Macbook's sitting on 10W with the backlight 
> on minimum, which is about what it can manage in OS X on maximum life 
> settings.

Thats quite some improvement... 

Soeren.
-- 
Sometimes, there's a moment as you're waking, when you become aware of
the real world around you, but you're still dreaming.