[systemd-devel] [PATCH] hwdb: add a touchpad hwdb

Lennart Poettering lennart at poettering.net
Wed Jan 28 18:04:29 PST 2015

On Thu, 29.01.15 11:58, Peter Hutterer (peter.hutterer at who-t.net) wrote:

> Currently used to tag devices in the new Lenovo *50 series and the X1 Carbon
> 3rd. These laptops re-introduced the physical trackpoint buttons that were
> missing from the *40 series but those buttons are now wired up to the
> touchpad.
> The touchpad now sends BTN_0, BTN_1 and BTN_2 for the trackpoint. The same
> button codes were used in older touchpads that had dedicated scroll up/down
> buttons. Input drivers need to work around this and thus know what they're
> dealing with.
> For the previous gen we introduced INPUT_PROP_TOPBUTTONPAD in the kernel, but
> the resulting mess showed that these per-device quirks should really live in
> userspace.
> The list currently includes the X1 Carbon 3rd PNPID, others will be added as
> get to know which PNPID they have.

Looks fine to me. Go ahead, commit!


Lennart Poettering, Red Hat

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