From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Tibor Billes <tbilles@gmx.com>
Cc: linux-input@vger.kernel.org, Dave Turvene <dturvene@dahetral.com>,
Kevin Cernekee <cernekee@gmail.com>
Subject: Re: Possible regression 3.8.7 -> 3.9 with Dell touchpad
Date: Thu, 9 May 2013 15:54:21 -0700 [thread overview]
Message-ID: <20130509225421.GA18220@core.coreip.homeip.net> (raw)
In-Reply-To: <20130509205958.89890@gmx.com>
On Thu, May 09, 2013 at 10:59:58PM +0200, Tibor Billes wrote:
> Hi,
>
> I found that after upgrading my kernel from 3.8.7 to 3.9 my touchpad only
> works partly. By that I mean I can use the touchpad to move the cursor
> around, but I cannot click with it by tapping.
Is the touchpad recognized as ALPS or PS/2 mouse in 3.8.7? Also, can you
check that touchpad tapping is enabled in your desktop environment?
Thanks.
> My machine is a Dell
> Latitude E5530. Since it is 100% reproducible on my machine, I bisected it,
> and found this commit:
>
> commit 1302bac33d9e88cd43e482191a806998f3ed43cc
> Author: Kevin Cernekee <cernekee@gmail.com>
> Date: Wed Feb 13 22:27:08 2013 -0800
>
> Input: ALPS - add support for "Rushmore" touchpads
>
> Rushmore touchpads are found on Dell E6230/E6430/E6530. They use the V3
> protocol with slightly tweaked init sequences and report formats.
>
> The E7 report is 73 03 0a, and the EC report is 88 08 1d
>
> Credits: Emmanuel Thome reported the MT bitmap changes.
>
> Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
> Tested-by: Dave Turvene <dturvene@dahetral.com>
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
>
> I did the bisection between 3.8.7 and 3.9, but also tried 3.9.1, it is bad
> too. I also tried reverting that commit to make sure that it really is
> what made my touchpad not working. The revert did fix my problem.
>
> That's all I gathered so far, but I'd be happy to help further in any way
> I can, just let me know.
>
> Thanks,
> Tibor
> --
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--
Dmitry
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next prev parent reply other threads:[~2013-05-09 22:54 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-09 20:59 Possible regression 3.8.7 -> 3.9 with Dell touchpad Tibor Billes
2013-05-09 22:54 ` Dmitry Torokhov [this message]
-- strict thread matches above, loose matches on Subject: below --
2013-05-10 19:39 Tibor Billes
2013-05-14 18:50 ` James M Leddy
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