*** This bug is a duplicate of bug 1853277 ***
https://bugs.launchpad.net/bugs/1853277
This worked for me:
Kernel resolve problem:
https://people.canonical.com/~khfeng/lp1853277-hack-5/
Article: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861610
Solved Model: Lenovo ThinkBook 14
*** This bug is a duplicate of bug 1853277 ***
https://bugs.launchpad.net/bugs/1853277
Just to follow up here... This bug is not a duplicate of #1853277. It
is a duplicate of #1861610, which recently had a resolution. See
comment 66 there, but be aware that the sed line had a bug that was
f
*** This bug is a duplicate of bug 1853277 ***
https://bugs.launchpad.net/bugs/1853277
** This bug has been marked a duplicate of bug 1853277
Lenovo ThinkBook 14-IML Touchpad not showing up in /proc/bus/input/devices
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I have built the kernel with the patches that are supposed to enable the
touchpad, but the problem persists:
https://lore.kernel.org/linux-
input/000201d5a8bd$9fead3f0$dfc07bd0$@emc.com.tw/
I have attached the disassembled dsdt.dsl from the system's acpi tables,
which has an entry for:
Name
I have a similar issue with my Thinkbook 14 IIL.
There's no "_HIDELAN0634" record in the ACPI though, just "ELAN0634".
Applying the patch manually didn't help, but I probably did something
wrong in the process (downloaded kernel source, added the missing ID to
the driver file, compiled it, applie
** Attachment added: "dmesg.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1874374/+attachment/5363825/+files/dmesg.txt
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Title:
th
Please attach dmesg log since booted with that two applied.
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Title:
thinkbook 14-iil elan touchpad does not work
To manage notifications about t
Yup, that's been done too :/
Still doesn't work.
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Title:
thinkbook 14-iil elan touchpad does not work
To manage notifications about this bug go
You need 1. patch ACPI to have a legal HID, and 2. a kernel that
recognizes this new ID. The second part is tracking at bug 1861610, and
you can find a test kernel in
https://launchpad.net/~vicamo/+archive/ubuntu/ppa-1861610 .
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I have applied the patch as specified. Touchpad still does not work.
However, I now see ELAN0634 inside /sys/bus/acpi/devices.
/proc/bus/input/devices is still the same, and so is acpidump
** Attachment added: "lsofsys-bus-acpi-devices.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bu
Patch:
Name (_HID, "_HIDELAN0634")
as:
Name (_HID, "ELAN0634")
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Title:
thinkbook 14-iil elan touchpad does not work
To manage notificatio
@vimcamo there isn't a :Name (_HID, "")" inside of the ACPI
table for the thinkbook-14iil. Should I be adding an entry or editing
something else?
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@Brian, basically "_HIDELAN0634" is an illegal name according to ACPI
specification, so there won't be a overriding fix in kernel because
kernel would enforce the names to follow standard. It follows this
platform would have to be patch in the ACPI tables as detailed in
https://bugs.launchpad.net/u
apport information
** Tags added: apport-collected focal
** Description changed:
Here is the output of
cat /proc/bus/input/devices
I: Bus=0019 Vendor= Product=0005 Version=
N: Name="Lid Switch"
P: Phys=PNP0C0D/button/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: linux-signed-hwe (Ubuntu)
** Tags added: hwe-touchpad
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Output of acpidump | grep -C3 ELAN
2A0B0: 0A 20 49 44 41 44 A4 84 53 42 46 53 53 42 46 49 . IDAD..SBFSSBFI
2A0C0: 00 5B 82 42 0E 54 50 44 32 08 5F 41 44 52 00 08 .[.B.TPD2._ADR..
2A0D0: 49 44 41 44 00 08 48 49 44 32 00 08 5F 48 49 44 IDAD..HID2.._HID
2A0E0: 0D 45 4C 41 4E 30 36 33 3
Update:
I updated to 20.04 and the error persists.
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Title:
thinkbook 14-iil elan touchpad does not work
To manage notifications about this bug
The touchpad/touchpad driver in question is ELAN0634. A possible fix
would be to add {"ELAN0634", 0} to /include/linux/input/elan-i2c-ids.h
(refer to
https://github.com/ihasdapie/linux/commit/a7ac88d20464b502027c0b313469a277f15da304)
Attempting to apply patches found in Bug#1853277, 1861610:
-> C
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