Re: [PATCH] Input: ALPS - Detect trackstick presence for v7 protocol

From: Pali RohÃr
Date: Fri Mar 27 2015 - 16:54:15 EST


On Friday 27 March 2015 21:32:12 Santiago Gala wrote:
> I guess the difference is more due to new limits reported.
>
> Now I get only one device:
>
> /dev/input/event11
> bustype : BUS_I8042
> vendor : 0x2
> product : 0x8
> version : 1792
> name : "AlpsPS/2 ALPS GlidePoint"
> phys : "isa0060/serio1/input0"
> bits ev : EV_SYN EV_KEY EV_ABS
>

Ok, it means that trackstick detection patch detected that you do
not have trackstick (and you have only touchpad device).

And also that psmouse.ko is really using ALPS driver.

> And it produces different output in evemu-describe. I attach
> alps11-new.txt (the new one). See fragment of difference with
> relevant previous one:
>
> @@ -38,17 +38,17 @@
> # Event code 53 (ABS_MT_POSITION_X)
> # Value 0
> # Min 0
> -# Max 448
> +# Max 4095
> # Fuzz 0
> # Flat 0
> -# Resolution 4
> +# Resolution 42
> # Event code 54 (ABS_MT_POSITION_Y)
> # Value 0
> # Min 0
> -# Max 0
> +# Max 2047
> # Fuzz 0
> # Flat 0
> -# Resolution 0
> +# Resolution 38
> # Event code 57 (ABS_MT_TRACKING_ID)
> # Value 0
> # Min 0
>
> So resolutions are reported clearly different than with the
> broken patch.
>

Can you look at difference between old 3.19 kernel version and
this new one? To check if there is no regression.

> Regards
> Santiago
>
> El vie., 27 de marzo de 2015 a las 21:09, Pali RohÃr
> (<pali.rohar@xxxxxxxxx>)
>
> escribiÃ:
> > Hello,
> >
> > there should no functional changes (e.g. acceleration speed,
> > etc.). And if yes, there is probably some side effect which
> > should be investigated.
> >
> > Please can you provide output from dmesg (grep for psmouse
> > or input) and also output from lsinput?
> >
> > That changed acceleration/speed sounds like psmouse
> > fallbacks to some ImPS/2 relative protocol and not ALPS...
> >
> > On Friday 27 March 2015 20:46:59 Santiago Gala wrote:
> > > It works quite well! :)
> > >
> > > I got some issues: at first it didn't work after I mv'ed
> > > the original and put the unzipped new in its place. After
> > > reboot it failed exactly the same, but after I "sudo
> > > /etc/init.d/lightdm stop; sudo modprobe -r psmouse; sudo
> > > modprobe psmouse; sudo /etc/init.d/lightdm start" it
> > > worked. Then I remembered about the initrd.img which
> > > should contain it. So I did "sudo dpkg-reconfigure
> > > linux-image-4.0.0-040000rc5-generic", rebooted again and
> > > here I am.
> > >
> > >
> > > Things seem to work all right. The only thing I notice is
> > > that the old driver moved fast in console mode (with gpm)
> > > while the new one is rather slow, would need to tweak the
> > > acceleration configuration. even after adding
> > > "responsiveness=15" to the configuration, as the sample
> > > /etc/gpm.conf says, it is slower than the previous kernel
> > > with the stock configuration.
> > >
> > >
> > > Regards
> > >
> > > Santiago
> > >
> > >
> > > El vie., 27 de marzo de 2015 a las 18:17, Pali RohÃr
> > > (<pali.rohar@xxxxxxxxx>) escribiÃ:
> > >
> > > On Thursday 26 March 2015 16:33:13 you wrote:
> > > > El mar., 24 de marzo de 2015 a las 17:48, Pali RohÃr
> > > > (<pali.rohar@xxxxxxxxx>)
> > > >
> > > > escribiÃ:
> > > > > Hello, I can compile psmouse.ko module for you. Just
> > > > > let me know which ubuntu kernel (and from) are you
> > > > > using.
> > > >
> > > > This one could do:
> > > >
> > > > http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.0-rc5-v
> > > > ivid /
> > > >
> > > > or at a choice any further one (they get published as
> > > > they are released)
> > > >
> > > > Regards
> > > > Santiago
> > >
> > > Hello, in attachment is gzipped psmouse.ko module compiled
> > > against above ubuntu kernel from linus git tree (3c435c1e)
> > > with additional patches:
> > >
> > > https://lkml.org/lkml/2015/3/21/282
> > > https://lkml.org/lkml/2015/3/22/93
> > > https://lkml.org/lkml/2015/3/22/94
> > >
> > > Test it and if everything works as expected, please send
> > > email to all all people and ML. Thanks.
> > >
> > > --
> > > Pali RohÃr
> > > pali.rohar@xxxxxxxxx
> >
> > --
> > Pali RohÃr
> > pali.rohar@xxxxxxxxx

--
Pali RohÃr
pali.rohar@xxxxxxxxx

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