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SubjectRe: [PATCH] dell-wmi: Change debug statements from pr_info to pr_debug
On Mon, Nov 21, 2011 at 10:32:09PM +0000, Matthew Garrett wrote:
> > > On Mon, Nov 21, 2011 at 03:14:38PM -0600, Seth Forshee wrote:
> > > > On Mon, Nov 21, 2011 at 08:52:30PM +0000, Matthew Garrett wrote:
> > > > > They're intended to be there, in the same way that the keyboard code
> > > > > generates unknown scancode errors. We want to know when users have keys
> > > > > that don't work.
> > > > All right, but what about the unknown WMI events? Those are the bigger
> > > > problem anyway, as at least one machine (the Latitude XT2) can generate
> > > > a lot of these messages for unknown reasons. It doesn't appear that
> > > > anyone has been making use of these messages since we still only support
> > > > one event. Would you object to demoting that one?
> > >
> > > Those can probably be ignored, but again it would be nice to find out
> > > what they actually mean so we know whether we can do anything with them.
> > > Any chance of you being able to work with Dell on that?
> >
> > I'll see what I can do.
> Great, thanks. If we don't work out what they are then we can certainly
> drop the error - I agree that telling the user about something that just
> confuses us isn't helpful.

I've tried a few different avenues trying to get this informatin out of
Dell, but so far I've gotten very little. 0x11 is a status change event
notification, apparently sent when there are changes to things like
battery charge status, ALS level, etc. I haven't received any
information about how to interpret the payload, and what little Dell kit
I have doesn't seem to send this event.

I've received no informtion at all on the 0xf event. The only thing I
really know about is from a user report stating that it's seen on the
XT2 when opening and closing the lid in notebook orientation.

I can take further action if Dell becomes more forthcoming, but I'm not
holding out much hope at this point. So I can send a new patch demoting
only the WMI event message to debug, or I can silence it only for these
specific events. Do you have a preference?


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