Re: APM depends on PM_SLEEP?

Guennadi Liakhovetski
2008-02-20T23:01:05Z

On Wed, 20 Feb 2008, Rafael J. Wysocki wrote:

> On Tuesday, 19 of February 2008, Guennadi Liakhovetski wrote:
> > Hi
>
> Hi,
>
> > Could anyone explain me why APM depends on PM_SLEEP?
>
> Because it refers to the code in drivers/base/power/main.c that depends on
> PM_SLEEP.
>
> > Isn't it a valid configuration, when I don't want to sleep / suspend, but
> > need APM to, say, turn my machine off using
> > APM_REAL_MODE_POWER_OFF, or if I need APM_DISPLAY_BLANK?
>
> Yes, in theory, but that would require some more fine-grained #ifdeffing or
> something similar.

As we see, for example, here:

http://www.uwsg.indiana.edu/hypermail/linux/kernel/0802.2/2215.html

it also happens in practice.

Thanks
Guennadi
---
Guennadi Liakhovetski