[Bug 257992] Touchpad buttons don't work on Dell Precision 7550 laptop

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 24 Aug 2021 22:29:10 UTC

--- Comment #14 from Vladimir Kondratyev <wulf@freebsd.org> ---
All looks OK except the touchpad is recognized as clickpad.

Could you
add 'options IICHID_DEBUG' line to kernel config
and 'hw.iichid.debug=1' to /boot/loader.conf
than rebuild kernel, reboot and post dmesg output from the boot process.
especially lines starting from iichid?

as temporary workaround you may try to comment out
'evdev_support_prop(sc->evdev, INPUT_PROP_BUTTONPAD);' line (about #400) in

P.S. I was wrong about missing "button_type" usage. It exists.

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