Messages in this thread | | | Date | Fri, 31 Dec 2010 21:28:00 +0200 | From | Yotam Medini <> | Subject | Re: APM_CONFIG on x86 - Is it possible? |
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Randy,
Thanks for your quick reply. Sorry, but the subject line should have been: APM_POWER on x86 - Is it possible? I do get CONFIG_APM=m in the .config, but I am trying to get CONFIG_APM_POWER=m as well. So far, I do not see how.
regards -- yotam
On Fri, 31 Dec 2010 10:33:45 -0800 Randy Dunlap <rdunlap@xenotime.net> wrote:
> On Fri, 31 Dec 2010 19:38:58 +0200 Yotam Medini wrote: > > > Hello, > > > > To an ancient target (my UMAX 530T ActionBook - plz don't laugh...) > > I am trying to build a lean kernel based on 2.6.32.24 (~ Ubuntu 10.04). > > Battery monitoring used to be based on /proc/apm. > > I believe ACPI is not supported on this old notebook. > > Now, it seems that CONFIG_APM_POWER cannot be set, since: > > > > 1. The configuration place for APM_POWER is in: > > ./drivers/power/Kconfig:25: > > config APM_POWER > > tristate "APM emulation for class batteries" > > depends on APM_EMULATION > > > > 2. The configuration place for APM_EMULATION is in: > > ./kernel/power/Kconfig:201: > > config APM_EMULATION > > tristate "Advanced Power Management Emulation" > > depends on PM && SYS_SUPPORTS_APM_EMULATION > > > > 3. But the configuration places for the latter - > > SYS_SUPPORTS_APM_EMULATION > > - exists only in: > > ./arch/powerpc/Kconfig:185:config SYS_SUPPORTS_APM_EMULATION > > ./arch/sh/Kconfig:120:config SYS_SUPPORTS_APM_EMULATION > > ./arch/mips/Kconfig:896:config SYS_SUPPORTS_APM_EMULATION > > ./arch/arm/Kconfig:32:config SYS_SUPPORTS_APM_EMULATION > > and none under arch/x86 ! :(): > > > > So my bottom line questions are: > > + Am I missing something? > > + What is the 'right way' to configure a 2.6.3m.nn kernel > > that should support battery monitoring on such ancient laptops. > > > > When replying, please CC: yotam DOT medini AT Gmail DOT c0m > > regards -- yotam > > -- > > > arch/x86/Kconfig has the kconfig symbol "APM": > > menuconfig APM > tristate "APM (Advanced Power Management) BIOS support" > depends on X86_32 && PM_SLEEP > => /proc/apm for battery status information > > so as long as your target system is 32-bit X86, you should be OK. > > PM_SLEEP depends on SUSPEND || HIBERNATION. PM needs to be enabled, > and SWAP has to be enabled for HIBERNATION. > > --- > ~Randy > *** Remember to use Documentation/SubmitChecklist when testing your code *** > desserts: http://www.xenotime.net/linux/recipes/
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