From owner-freebsd-acpi@FreeBSD.ORG  Wed May  5 13:47:09 2004
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Date: Wed, 5 May 2004 13:47:10 -0700 (PDT)
From: Nate Lawson <nate@root.org>
To: "Liam J. Foy" <liamfoy@sepulcrum.org>
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cc: freebsd-acpi@freebsd.org
Subject: Re: Quick question
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On Wed, 5 May 2004, Liam J. Foy wrote:
> I am coding a battery daemon for my laptop in C. When I print the value
> of ptr->ai_batt_time (machine/apm_bios.h) it is returning 0. -1 would
> incline the device isnt supported, but why is it returning 0 ?

Send the full output of "sysctl hw.acpi".  Some machines can't detect the
battery state while on AC power.

-Nate