[Bug 228668] [psm] Alps GlidePoint on HP EliteBook 1040 G3: No two finger scroll

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=228668

--- Comment #9 from Neel Chauhan <neel at neelc.org> ---
(In reply to Mateusz Piotrowski from comment #8)
Well, for Alps touchpads, I just use the X.org sysmouse driver.

>From Comment #5 and Comment #7, it seems that the HP EliteBook 1040 G3 uses an
Alps T4 chip, whereas the Dell Latitude E5500 does not. And the T4 controller
chip means the touchpad interacts with the OS a little differently, so we may
use a slightly different driver should we both get two finger scrolling. Not
saying that we shouldn't support two finger scrolling on Latitudes (or other
laptops without Alps T4 but still with Alps touchpads), just making it clear
for you.

Newer Latitude models (e.g. E7470) **may** use the Alps T4 as well, they may
not, I don't know as I don't own a Latitude.

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