[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1179103570.26132.8.camel@localhost>
Date: Mon, 14 May 2007 02:46:10 +0200
From: Soeren Sonnenburg <kernel@....de>
To: Alistair John Strachan <s0348365@....ed.ac.uk>
Cc: linux-usb-devel@...ts.sourceforge.net,
Linux Kernel <linux-kernel@...r.kernel.org>, maxk@...lcomm.com
Subject: Re: converting appletouch to usb autosuspend...
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.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists