Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761283AbXENAqV (ORCPT ); Sun, 13 May 2007 20:46:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758066AbXENAqP (ORCPT ); Sun, 13 May 2007 20:46:15 -0400 Received: from nn7.de ([85.214.94.156]:50955 "EHLO nn7.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757875AbXENAqO (ORCPT ); Sun, 13 May 2007 20:46:14 -0400 Subject: Re: converting appletouch to usb autosuspend... From: Soeren Sonnenburg To: Alistair John Strachan Cc: linux-usb-devel@lists.sourceforge.net, Linux Kernel , maxk@qualcomm.com In-Reply-To: <200705122247.44795.s0348365@sms.ed.ac.uk> References: <1178995886.4168.10.camel@localhost> <200705122247.44795.s0348365@sms.ed.ac.uk> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Mon, 14 May 2007 02:46:10 +0200 Message-Id: <1179103570.26132.8.camel@localhost> Mime-Version: 1.0 X-Mailer: Evolution 2.10.1 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1255 Lines: 34 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@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/