On Tue, Sep 1, 2009 at 11:26 PM, Andy Lutomirski<luto@xxxxxxx> wrote: > On 2.6.30.5, I can echo 1 >/sys/class/net/wlan0/device/power_level, and the > value changes to 1, my wakeup rate goes way down, and my power consumption > (as measured by powertop) drops noticeably. > > On 2.6.31-rc7, I can still echo 1 to that file, but nothing happens, and the > value I get if I 'cat power_level' remains at 0. > > My kernel configs are as identical as 'make oldconfig' knows how to make > them. > > Any ideas? Power saving has been disabled temporarily in recent versions, as it caused too many problems. AFAIK either there is either a modparam to re-enable it or you can re-enable it using iwconfig (it is simply off by default). There was talk on the mailing list whether to use a modparam or iwconfig - I don't remember what the outcome was. > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Vista: [V]iruses, [I]ntruders, [S]pyware, [T]rojans and [A]dware. :-) -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
