Hi. On Thursday 12 July 2007 02:04:33 David Brownell wrote: > 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. That would be good. > > 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. I have that too, but I can't seem to figure out which file contains the state of the button. Is there one? Regards, Nigel -- See http://www.tuxonice.net for Howtos, FAQs, mailing lists, wiki and bugzilla info.
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