Messages in this thread | | | Subject | Re: [REGRESSION] Touchpad failure after e7348396c6d5 ("Input: ALPS - fix V8+ protocol handling (73 03 28)") | From | Laura Abbott <> | Date | Tue, 6 Jun 2017 09:59:11 -0700 |
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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.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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