linux-kernel - Re: Lenovo 3000 N100 i8042 problems

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Message-ID: <20080903150649.ZZRA012@mailhub.coreip.homeip.net>
Date:	Wed, 3 Sep 2008 15:07:50 -0400
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Daniel Barkalow <barkalow@...ervon.org>
Cc:	Jiri Kosina <jkosina@...e.cz>, linux-kernel@...r.kernel.org,
	Christopher Desjardins <cddesjardins@...il.com>
Subject: Re: Lenovo 3000 N100 i8042 problems

On Wed, Sep 03, 2008 at 01:18:23PM -0400, Daniel Barkalow wrote:
> On Wed, 3 Sep 2008, Dmitry Torokhov wrote:
> 
> > On Wed, Sep 03, 2008 at 01:50:35PM +0200, Jiri Kosina wrote:
> > > On Tue, 2 Sep 2008, Dmitry Torokhov wrote:
> > > 
> > > > I guess we could use System's product name to differentiate between 
> > > > Cristopher's and Daniel's boards. Although I must admit it is the very 
> > > > first time when I see a box that behaves better with active mux. DOes 
> > > > Vista use active mux nowadays? Because if it is not then I bet there is 
> > > > (or shortly will be) a BIOS update fixing legacy mode on Daniel's box.
> > > 
> > > I guess so, yes.
> > > 
> > > On the other hand, this might also be viewed as regression (we made 
> > > Daniel's hardware behave worse with recent kernel than it did before), so 
> > > I think we still would like to have this fixed. What about the patch 
> > > below, adding the match on System's product name, as you suggested? 
> > > Thanks.
> > > 
> > 
> > I agree. Daniel, could you please try the patch to make sure it
> > restores the previous behavior for you and I will push it through.
> > 
> > Thanks!
> 
> I'll test that Thursday as well; is there some quick way to determine 
> whether you're using active mux or not?

Do "dmesg | grep serio".. If you see 4 AUX ports being created then
KBC is in active multiplexing mode.

-- 
Dmitry
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