On 06/02/2017 09:03 PM, Paul Donohue wrote:
> 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
> 

https://bugzilla.redhat.com/show_bug.cgi?id=1447327#c13

"Cursor movement seems to work, but there are intermittent two-finger scrolling
issues on the right-hand side of the touchpad. There are no issues with cursor
movement or two-finger scrolling on the left-hand side of the touchpad."

> 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....@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....@jp.alps.com>
>>     Acked-by: Pali Rohar <pali.ro...@gmail.com>
>>     Tested-by: Paul Donohue <linux-ker...@paulsd.com>
>>     Tested-by: Nick Fletcher <nick.m.fletc...@gmail.com>
>>     Cc: sta...@vger.kernel.org
>>     Signed-off-by: Dmitry Torokhov <dmitry.torok...@gmail.com>
>>
>> I suspect this particular model needs special handling as well?
>>
>> Thanks,
>> Laura
>>

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