On Wed, 2011-03-23 at 17:47 -0700, Arve Hjønnevåg wrote:

There is no planned replacement for early suspend, and it will
probably be dropped form the android kernel at some point. The wifi
driver use it to enter a lower operating state when the screen is off.
If you driver does have any other way to put the driver in this state
you need to add an interface that lets user-space select that state
directly.

The interface is called "ip link set wlan0 down".

johannes