ACPI_OS_NAME: no battery or no ac_adapter

DISCUSSION Andreas Leppert 2 participants 2 messages Sep 17, 2004 – Sep 21, 2004 1 message not in the archive ACPI

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Andreas Leppert

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2004-09-17 17:23 UTC #0 lore raw

if i understand you then you have enabled this (Microsoft Windows NT value for the variable ACPI_OS_NAME) in your newest patch. i have installed the patch, ACPI_OS_NAME is now in the include/acpi/acconfig.h.

ok, ac_adapter events are possible, but why on hell is now /proc/acpi/battery/BAT0/state -> present rate always unknown (so acpi -V doesnt give me any battery information!) if i change the ACPI_OS_NAME to "Linux", acpi -V gives me information about the battery... but there aren't any ac_adapter events!

where's the problem with this? it has to do something with the ACPI_OS_NAME ...

perhaps something with my dsdt? really dont know. do you have any answers for this?

thanks again

"Moore, Robert" <[email protected]> wrote on 17.09.04 19:12:05:

Quoted 47 lines

In newer versions of ACPI CA, we have changed ACPI_OS_NAME to "Microsoft Windows NT" for exactly this reason.
Bob
Quoted 30 lines
hi,
i've a strange problem on my fujitsu laptop. If i compile my kernel using acpi, everything works fine, but acpi -V doesn't change the value of ac_adapter info. it's always set to "on-line". it doesnt matter if the ac_adapter is plugged in or not. always "on-line".
then i found this:
http://sourceforge.net/mailarchive/message.php?msg_id=8560832
so i changed the value of ACPI_OS_NAME in my /usr/src/linux/include/acpi/platform/aclinux.h from "Linux" to "Microsoft Windows NT". Now, ac_adapter changes its value from "on-line" to "off- line" if i unplug the ac_adapter.
But now, acpi -V doesnt show me any battery information. the line is just omitted! so what to do?
under http://andileppert.de/dsdtl.dsl you can find my dsdt. you will see that there are a few _OS commands... what can i do? this is a strange thing...
thanks in advance
Andi Leppert
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Pavel Machek

2004-09-21 12:13 UTC #2 lore raw

In reply to a message not in the archive

Hi!

Quoted 5 lines

ok, ac_adapter events are possible, but why on hell is now /proc/acpi/battery/BAT0/state -> present rate always unknown (so acpi -V doesnt give me any battery information!) if i change the ACPI_OS_NAME to "Linux", acpi -V gives me information about the battery... but there aren't any ac_adapter events!
where's the problem with this? it has to do something with the ACPI_OS_NAME ...

Fix DSDT... See archives for tutorials.
Pavel

Signature · 9 lines

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This SF.Net email is sponsored by: YOU BE THE JUDGE. Be one of 170
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who ports your project to Linux PPC the best. Sponsored by IBM.
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