Re: Re: Hibernate after alarm wakes from STR

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On Tuesday 10 July 2007, Nigel Cunningham wrote:
> Yeah, the bit I consider to be ugly is opening the files from within the 
> kernel, but it seemed to be necessary in order to provide the functionality 
> without having to rely on userspace or do some sort of messy work to figure 
> out how to access the lid button and so on.

Perhaps there should be a formal API to such buttons.


> Re proc files, are the button files already exposed under sysfs and I just 
> don't know? If so, I'll happily shift to using them.

ascent:/sys/devices/acpi_system:00/device:00/PNP0C0D:00$ ls -l 
total 0
lrwxrwxrwx 1 root root    0 2007-07-11 08:58 bus -> ../../../../bus/acpi/
lrwxrwxrwx 1 root root    0 2007-07-11 08:58 driver -> ../../../../bus/acpi/drivers/button/
-r--r--r-- 1 root root 4096 2007-07-11 08:58 hid
lrwxrwxrwx 1 root root    0 2007-07-11 08:58 input:event2 -> ../../../../class/input/input2/event2/
lrwxrwxrwx 1 root root    0 2007-07-11 08:58 input:input2 -> ../../../../class/input/input2/
-r--r--r-- 1 root root 4096 2007-07-11 08:58 path
drwxr-xr-x 2 root root    0 2007-07-11 08:58 power/
lrwxrwxrwx 1 root root    0 2007-07-11 08:58 subsystem -> ../../../../bus/acpi/
-rw-r--r-- 1 root root 4096 2007-07-11 08:58 uevent
db@ascent:/sys/devices/acpi_system:00/device:00/PNP0C0D:00$ cat path
\_SB_.LID_
ascent:/sys/devices/acpi_system:00/device:00/PNP0C0D:00$ 

If the generic kernel doesn't show that, then it's likely
a consequence of a submitted-but-not-yet-merged patch.

- Dave

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