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From: "Scott T. Smith" <scott-j3vAvQ9dNB9ByuSxxbvQtw@public.gmane.org>
To: "acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org"
	<acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
Subject: broken power button
Date: Thu, 05 Feb 2004 18:55:58 -0800	[thread overview]
Message-ID: <1076036158.4792.12.camel@tinny.home.foo> (raw)

APM will let me suspend to RAM and restore, but the touchpad is broken
the whole time.

So I'm trying ACPI -- ACPI seems to suspend successfully, but it will
not wake up.  I have to unplug the battery and power supply for 10+
minutes to reset it.

I think it's related to the power button.  I notice that the power
button does not generate any events via acpid (but if I close the lid,
or press Fn-ESC, then I do see events).  However, if I hold the power
button down for 4 seconds, the machine does shut off immediately. 
(Holding it down for 4+ seconds while frozen does nothing).

In tracing this further, I noticed that the ASL lists the button 'PWRB',
while ACPI (via dmesg) lists the button 'PWRF'.  I think (can someone
clarify this?) that this is the difference between a "fixed hardware
power button" and a "control method power button."

I tried renaming all references to PWRB to PWRF and recompiling, but
that did no good.  I think (again, can someone clarify this?) that I
need to set the PWR_BUTTON flag, but I don't know how to do that.  There
is a reference to SLP_BUTTON in the dsdt.asl file, but it's in a
comment.

Am I on the right track here?

oh, specs:  2.6.2-rc2-mm1 (ACPI v20040116), Dell Lattitude X200 (P3M
800), patched DSDT to cope with battery issue.

	Scott



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             reply	other threads:[~2004-02-06  2:55 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-02-06  2:55 Scott T. Smith [this message]
     [not found] ` <1076036158.4792.12.camel-3lu5YwujmwObGSPjaX/RoA@public.gmane.org>
2004-02-06  3:33   ` broken power button Greg Sarjeant
     [not found]     ` <1076038435.5849.8.camel-bi+AKbBUZKZeoWH0uzbU5w@public.gmane.org>
2004-02-06  5:07       ` Scott T. Smith
     [not found]         ` <1076044045.4744.10.camel-3lu5YwujmwObGSPjaX/RoA@public.gmane.org>
2004-02-06 12:46           ` Greg Sarjeant
  -- strict thread matches above, loose matches on Subject: below --
2004-02-06 17:17 Yu, Luming
     [not found] ` <3ACA40606221794F80A5670F0AF15F8401CBB686-SRlDPOYGfgogGBtAFL8yw7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2004-02-06 17:38   ` Scott T. Smith
     [not found]     ` <1076089128.4731.1.camel-3lu5YwujmwObGSPjaX/RoA@public.gmane.org>
2004-02-06 17:53       ` greg
2004-02-06 17:53   ` Scott T. Smith
2004-02-11  8:02 Yu, Luming

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