Hi all,
The latest kernel tree
(https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git) has
the complete solution to fix this bug. So we can expect kernel v5.11 to
fix this issue without any additional work. Before the release of v5.11,
you are suggested to use #189 to save your touchpad.
The complete solution is three patches,
- 47a0001436352c9853d72bf2071e85b316d688a2 ("pinctrl: amd: remove debounce
filter setting in IRQ type setting")
- 06abe8291bc31839950f7d0362d9979edc88a666 ("pinctrl: amd: fix incorrect way
to disable debounce filter")
- 8dcb7a15a585b6d0fee15751ce11d7a68cfedd56 ("gpiolib: acpi: Take into account
debounce settings")
The first two patches has reached the stable tree. If the last one is
also backported to LTS kernel, you won't need to install kernel 5.11.
But I don't know when this will happen.
Thanks to all who have participated in the process of bug hunting,
especially to @wangjun (biggerchina), @Mike Boruta (maridius), @Helmut
Stult (helmut-stult) and @Baq Domalaq (baq). I spent about one month of
my internship at the Linux Foundation on this bug. So I should also
thanks to the Linux Foundation for funding this work.
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https://bugs.launchpad.net/bugs/1887190
Title:
MSFT Touchpad not working on Lenovo Legion-5 15ARH05
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