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SubjectRe: [REGRESSION] Touchpad failure after e7348396c6d5 ("Input: ALPS - fix V8+ protocol handling (73 03 28)")
This might be related to https://bugzilla.kernel.org/show_bug.cgi?id=195215

Could you have the user try this change? https://bugzilla.kernel.org/show_bug.cgi?id=195215#c12

On Fri, Jun 02, 2017 at 10:54:52AM -0700, Laura Abbott wrote:
> Hi,
>
> Fedora got a bug report https://bugzilla.redhat.com/show_bug.cgi?id=1447327
> of a touchpad failure on a Dell Latitude E7370. Testing showed that the
> bad commit was
>
> commit e7348396c6d51b57c95c6646c390cd078e038e19
> Author: Masaki Ota <masaki.ota@jp.alps.com>
> Date: Fri Mar 17 14:10:57 2017 -0700
>
> Input: ALPS - fix V8+ protocol handling (73 03 28)
>
> Devices identified as E7="73 03 28" use slightly modified version of V8
> protocol, with lower count per electrode, different offsets, and different
> feature bits in OTP data.
>
> Fixes: aeaa881f9b17 ("Input: ALPS - set DualPoint flag for 74 03 28 devices")
> Signed-off-by: Masaki Ota <masaki.ota@jp.alps.com>
> Acked-by: Pali Rohar <pali.rohar@gmail.com>
> Tested-by: Paul Donohue <linux-kernel@PaulSD.com>
> Tested-by: Nick Fletcher <nick.m.fletcher@gmail.com>
> Cc: stable@vger.kernel.org
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
>
> I suspect this particular model needs special handling as well?
>
> Thanks,
> Laura
>

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