linux-kernel - Re: [regression, bisected] adb trackpad disappears after suspend to ram

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Date:	Tue, 02 Jun 2009 08:52:23 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Jan Scholz <scholz@...s.uni-frankfurt.de>,
	Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org, Adrian Bunk <bunk@...nel.org>,
	pm list <linux-pm@...ts.linux-foundation.org>
Subject: Re: [regression, bisected] adb trackpad disappears after suspend
 to ram


> > Tried this, but it does not help.
> > 
> > What I haven't noticed before is, that even if the trackpad already
> > disappeared, an additional suspend-resume cycle from the console brought
> > it back to life every time. Sometimes this worked from within X as well,
> > just not with such a high probability as from the console.
> > However, this is independent from 'sleepy_trackpad = 1'. 
> 
> OK, thanks for testing.  I think I know what to do, but I need some time to
> prepare a patch.

I wonder if the trakpad is timing out at some stage, we don't drain it
properly before suspend or something like that. Those ADB things are
a bit strange.

Ben.


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