Re: ALPS v7 trackpad passthrough to Thinkpad trackpoint

["Pali Rohár" <pali.rohar@gmail.com>]

On Thursday 21 January 2016 22:38:57 Ari Entlich wrote:
> On Thu, Jan 21, 2016 at 8:50 PM, Vadim Klishko <vadim@cirque.com> wrote:
> > However, it looks like you already know everything there is to know about
> > how to set the trackpad in pass-thru mode and how to check if there is a
> > trackstick behind the trackpad. The code is already in alps.c
> 
> The original question was specifically about devices which use the v7
> protocol. It looks to me like alps.c only includes code for
> passthrough on v2 and v3 devices, unless alps_passthrough_mode_v2 or
> alps_passthrough_mode_v3 would also work on v7 devices. I believe we
> would also need to know whether passthrough support is always present
> on v7 devices with tracksticks or whether its presence needs to be
> detected somehow.

For v7 see my patch which was finally after Alex testing included:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dae928ec3c29e7e16723c9c4c1299e00f4e9e949

> Also, neither of these passthrough modes are being used to provide a
> full serio device for the trackstick, but that might just be a
> limitation of the driver.

Yes, question for Vadim about providing full serio passthrough
trackstick device reminds open.

-- 
Pali Rohár
pali.rohar@gmail.com
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