Re: Power button not working on T61

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On Friday 10 October 2008, Len Brown wrote:
> 
> On Fri, 10 Oct 2008, Hanno Böck wrote:
> 
> > I have a T61 8859WFJ. thinkpad_acpi module is loaded (kernel is 2.6.27, same 
> > was with 2.6.26).
> 
> what is the most recent kernel that worked properly?
> 
> > When I press the power button, nothing happens and no acpi event is generated. 
> > 
> > I already posted this on the ibm-acpi-devel list and they told me it's 
> > probably a problem in acpi core.
> > 
> > My dmesg, if that helps:
> > http://rafb.net/p/EYOHpq12.html
> 
> I have a T61 7660-CTO running 2.6.27 and power, lid, sleep seem to be
> working normally.
> 
> Try killing acpid an
> # cat /proc/acpi/event
> then press the power button, close/open the lid, and the sleep button
> (Fn-F4 on mine) and see if anything appears.
> the standard acpi button driver should handle power and lid.
> in this case the thinkpad driver handles the sleep hotkey.
> 
> see if things work differently when thinkpad_acpi is not
> included in your kernel.
> 
> one difference I see is how your devices are registered
> with the input layer:
> 
> input: Power Button (FF) as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
> ACPI: Power Button (FF) [PWRF]
> input: Lid Switch as 
> /devices/LNXSYSTM:00/device:00/PNP0C0D:00/input/input1
> ACPI: Lid Switch [LID]
> input: Sleep Button (CM) as 
> /devices/LNXSYSTM:00/device:00/PNP0C0E:00/input/input2
> ACPI: Sleep Button (CM) [SLPB]
> 
> 
> Where I see this:
> 
> input: Power Button (FF) as /class/input/input0
> ACPI: Power Button (FF) [PWRF]
> PM: Adding info for No Bus:input1
> input: Lid Switch as /class/input/input1
> ACPI: Lid Switch [LID]
> PM: Adding info for No Bus:input2
> input: Sleep Button (CM) as /class/input/input2
> ACPI: Sleep Button (CM) [SLPB]
> 
> if you send me your .config, I'll try it out.
>

Len,

You must have CONFIG_SYSFS_DEPRECIATED set, this would explain the
difference in sysfs paths. 

-- 
Dmitry
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