Re: Problems porting asus_acpi to LED subsystem

[Pavel Machek]

On Tue 04-07-06 10:50:40, Thomas Tuttle wrote:
> On July 04 at 04:50 EDT, Pavel Machek hastily scribbled:
> > I _guess_ the LED subsystem can be called from interrupt, and ACPI
> > does not like that. So you probably need to use workqueue to defer
> > setting a bit.
> 
> Ew, I would personally think that the LED subsystem should do this
> itself...

That would make LEDs factor 10000 or so slower on reasonable
platforms, sorry. But having flag 'this led needs process context'
might be god thing. Patch welcome.

> Anyway, can you give me a pointer on how to do this?  I've never used
> workqueues before.  (I've coded a grand total of about 40 lines of
> kernel code, and only about 20 work.)

grep is your friend, or some kernel programming intro.I do not have
any example near. Or maybe kernelnewbies.org.

-- 
Thanks for all the (sleeping) penguins.
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