Documentation request: List of sys and other such files
joerg at openmoko.org
Sat May 31 21:47:11 CEST 2008
Am Sa 31. Mai 2008 schrieb Carsten Haitzler:
> On Sat, 31 May 2008 03:37:02 +0200 Joerg Reisenweber <joerg at openmoko.org>
> > Am Sa 31. Mai 2008 schrieb Andy Green:
> > > Somebody in the thread at some point said:
> > > | Extension question: How about a list of all such files and devices,
> > > | along with a short description of their behavior?
> > > |
> > > | Michael
> > > |
> > > | Joerg Reisenweber wrote:
> > > |> related question: where's the watchdog-timer device I regularly write
> > > |> some "garbage" to it to keep NEO from suspending? Scriptable solution
> > > |> preferred!
> > >
> > > Yeah. How about those things.
> > >
> > > -Andy
> > >
> > hey don*t take this easy! It's hard to find any info on it, and not even
> > experienced developer has spare time to "reverse-engineer" the driver code
> > get it. There HAS TO BE a man page. If there is already: probably my
> > toss me a pointer.
> in userspace its simple like this:
> 1. screenblank kickis in (if enabled).
> 2. a timer starts for N seconds (default is 10)
> 2.1. if screenblank interrupted (but touschreen press) timer is aborted
> 3. when timer ticks off "apm -s" is executed.
> the rest is the job of the apm subsystem and anything intercepting apm
> requests via the apm bios. technically qpe should be doing this and halting
> suspend requests during a phone call for example. no reason any other
> can't do the same. apparently the suspend can't be stopped - but it can be
> indefinitely delayed (which is kind of odd - and well... bad - but that's
> infra used).
> Carsten Haitzler (The Rasterman) <raster at openmoko.org>
So I can intercept apm -s (e.g replace by some script), and decide whether I
like to let the device go to sleep or just discard the call. No?
Does anybody care about apm -s call return code?
no device to write to each 5sec to simulate a touch action and thus reset
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 194 bytes
Desc: This is a digitally signed message part.
Url : http://lists.openmoko.org/pipermail/openmoko-kernel/attachments/20080531/3de370d6/attachment.pgp
More information about the openmoko-kernel