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Message-ID: <20080220120828.GD3885@ff.dom.local>
Date: Wed, 20 Feb 2008 12:08:29 +0000
From: Jarek Poplawski <jarkao2@...il.com>
To: linux-kernel@...r.kernel.org
Subject: [BUG?] APM is hidden in menuconfig
Hi,
I needed APM to have poweroff on old box. So, in 2.6.24.2 menuconfig:
1) Power management options -->
No APM.
2) [*] Power Management support
No APM. I can see ACPI...
3) I try searching with "/" + "APM"
APM [=n]
Depends on: !X86_VOYAGER && X86_32 && PM_SLEEP && !X86_VISWS
4) I check above: all correct except:
Symbol: PM_SLEEP [=n]
No more "depends on".
5) Exit menuconfig - enter grep:
6) Some time wasting in arch/.
7) less kernel/power/Kconfig:
config PM_SLEEP
bool
depends on SUSPEND || HIBERNATION
default y
...
config SUSPEND
bool "Suspend to RAM and standby"
depends on PM
depends on SUSPEND_UP_POSSIBLE || SUSPEND_SMP_POSSIBLE
default y
---help---
Allow the system to enter sleep states in which main memory is
powered and thus its contents are preserved, such as the
suspend-to-RAM state (i.e. the ACPI S3 state).
8) Back to menuconfig:
[*] Suspend to RAM and standby
Bingo! APM revealed! (And not even "DEPRECATED"!)
So, has it to be so hard? It seems not - at least in good old times...
Regards,
Jarek P.
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