From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: N810 suspend Date: Tue, 16 Dec 2008 09:22:38 -0800 Message-ID: <20081216172237.GR19551@atomide.com> References: <20081215210823.GD5334@swansys> <20081215211430.GJ10664@atomide.com> <20081216092531.c440dc26.jarkko.nikula@nokia.com> <20081216162951.GP19551@atomide.com> <20081216165632.GF25056@swansys> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-01-bos.mailhop.org ([63.208.196.178]:61388 "EHLO mho-01-bos.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750967AbYLPRWj (ORCPT ); Tue, 16 Dec 2008 12:22:39 -0500 Received: from c-69-181-40-92.hsd1.ca.comcast.net ([69.181.40.92] helo=localhost.localdomain) by mho-01-bos.mailhop.org with esmtpa (Exim 4.68) (envelope-from ) id 1LCdd0-0009ou-Ax for linux-omap@vger.kernel.org; Tue, 16 Dec 2008 17:22:38 +0000 Content-Disposition: inline In-Reply-To: <20081216165632.GF25056@swansys> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Linux-OMAP List * green [081216 08:57]: > On Tue, 2008.12.16, 351, Tony Lindgren wrote: > > * Jarkko Nikula [081215 23:26]: > > > On Mon, 15 Dec 2008 13:14:32 -0800 "ext Tony Lindgren" wrote: > > > > Well you need to make sure the serial clocks are not enabled. Kevin > > > > has some patches for that in his pm branch. So you'll most likely want > > > > to use his whole pm branch. > > > > > > > > Also, you need to make sure you have sleep while idle enabled: > > > > > > > > # echo 1 > /sys/power/sleep_while_idle > > > > > > > > It used to work, but I have not tried for six months or so. > > > > > > > How did you disable the LCD and FB clocks? Does > > > xserver-xorg-video-fbdev from Debian (it works!) do necessary steps with > > > omap fb driver or is xomap required? > > > > Oh, I just tested that sleep-while-idle worked when fb was blanked. I > > had a script that forced the LCD off via /sys, sorry don't remember > > the path now. Will be also heading to catch a plane in few hours, may > > not be able to check it right now. > > 'echo 3 > /sys/class/graphics/fb0/blank' turns off the LCD, if that is what you > mean. Thanks, that's what I did. Tony