Messages in this thread | | | Date | Wed, 15 Sep 2004 18:11:58 +0200 | From | Jan Dittmer <> | Subject | Re: [patch] kernel sysfs events layer |
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Tim Hockin wrote: > On Wed, Sep 15, 2004 at 10:19:50AM +0200, Karol Kozimor wrote: > >>On Wednesday 15 of September 2004 08:45, Jan Dittmer wrote: >> >>>What's wrong about fixing acpi to have something like >>>/sys/devices/acpi/buttons/power/, that spits out the event? >>>Just curious... >> >>Well, the fact that you'd have to somehow: >>1) pass the list of all the drivers that register notify handlers to the >>userspace >>2) make userspace daemons hold ~10 sysfs nodes open > > > I *think* the suggestion was to add sysfs nodes for ACPI objects so that > the assosicated kobject could be the "source" argument to the uevent API. > Not that each kobject would have an event stream of it's own :)
Yepp.
> I'm not deeply into ACPI, so I'm not sure if it is possible to enumerate > all event sources, or if GPEs would come from nowhere...
Well if you do a find /sys | grep acpi, there are basically all nodes already there - just no values in there :-( I think Andrew's suggestions (in this same thread) make more sense, ie. deliver button events via the input layer...
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