* Jarkko Nikula <jarkko.nik...@nokia.com> [081215 23:26]: > On Mon, 15 Dec 2008 13:14:32 -0800 > "ext Tony Lindgren" <t...@atomide.com> wrote: > > > > I'm running Debian on an N810. With the current state of power > > > management in > > > linux-omap, the N810 will only run (with LCD off) for about 12 hours on a > > > charge. > > > > 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. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
