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

[Dmitry Torokhov <dmitry.torokhov@gmail.com>]

On Tue, Mar 24, 2015 at 08:27:29AM +0100, Hans de Goede wrote:
> Hi,
> 
> On 23-03-15 18:02, Pali Rohár wrote:
> >On Monday 23 March 2015 12:39:48 Hans de Goede wrote:
> >>Hi,
> >>
> >>On 22-03-15 14:46, Pali Rohár wrote:
> >>>This patch adds detection of trackstick for v7 protocol
> >>>devices. Code in this patch is used in official Dell
> >>>touchpad linux drivers for Dell models: Dell Latitude
> >>>E5250/5250, E5450/5450, E5550/5550
> >>>
> >>>Detection code and base reg for alps v3 rushmore and v7
> >>>devices is exacly same.
> >>>
> >>>Also user in bug
> >>>https://bugzilla.kernel.org/show_bug.cgi?id=94801 reported
> >>>that Toshiba Sattellite Z30-A-1DG has only alps v7 touchpad
> >>>device without trackstick and kernel reports to userspace
> >>>also redundant trackstick device.
> >>>
> >>>Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
> >>
> >>Looks good, but has this been tested on a laptop which
> >>actually has a v7 pad + trackstick? I would like to see this
> >>actually tested on at least one such laptop before it gets
> >>merged.
> >>
> >>Regards,
> >>
> >>Hans
> >>
> >
> >I did not tested my patch on any v7 touchpad-only laptop.
> 
> Ah, but I'm not worried about testing on a touchpad-only laptop,
> we are already reporting a trackpoint there even though there
> is none. I'm worried about breaking existing v7 using laptops
> which actually have a trackstick.
> 
> So if this is tested on a v7 laptop with trackstick, and it
> does not break the trackstick then that is good enough for me.

I wonder if Masaki might have devices with V7 and trackstick available
and could test the patch for us?

Thanks.

-- 
Dmitry
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