[Wayland-bugs] [Bug 98770] kernel: Elantech 3320KD-3100 Touchpad behind [ASUS T300CHI DOCKING] Bluetooth not recognised

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Nov 22 00:05:34 UTC 2016


https://bugs.freedesktop.org/show_bug.cgi?id=98770

--- Comment #19 from redmcg <redmcg at redmandi.dyndns.org> ---
I found another driver already in the kernel tree which is using the report ID
0x5D
for multi-touch support. It is an ElanTech driver:
drivers/input/mouse/elan_i2c_core.c

But the format of the 0x5D report in this driver is slightly different to the
one we're using in the hid-asus-fte-dkms driver. However:
- the first byte of the report; and
- the first three bytes of information for each contact

appears to be the consistent across all three devices (defining just the x and
y locations).

As Benjamin has pointed out - it looks like your driver supports 4 contacts and
each contact uses just the first three bytes of information for each contact.

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