This bug report has more information than bug #1880172.
This one should be main thread no ?
** This bug is no longer a duplicate of bug 1880172
Touchpad is not detected on Lenovo IdeaPad 3 14IIL05 Core i3-1005G1
(81WD004MGE)
** Package changed: linux (Ubuntu) => linux-signed-hwe (Ubuntu)
*** This bug is a duplicate of bug 1880172 ***
https://bugs.launchpad.net/bugs/1880172
** This bug has been marked a duplicate of bug 1880172
Touchpad is not detected on Lenovo IdeaPad 3 14IIL05 Core i3-1005G1
(81WD004MGE)
** No longer affects: linux (Debian)
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1878279
Title:
Touchpad not recognized on Lenovo Ideapad 5 14IIL05
I also have the same problem, under Linux this touchpad doesn't work.
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https://bugs.launchpad.net/bugs/1878279
Title:
Touchpad not recognized on Lenovo Ideapad 5 14IIL05
Hello,
Anything else I can provide ?
Regards,
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https://bugs.launchpad.net/bugs/1878279
Title:
Touchpad not recognized on Lenovo Ideapad 5 14IIL05 81YH
Status in linux
Here it is !
** Attachment added: "dmesg.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1878279/+attachment/5372037/+files/dmesg.log
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Sorry, I missed one parameter "hid.debug=1". Could you attach dmesg one
more time with that appended? It makes:
dyndbg="file drivers/hid/* +pt" hid.debug=1 i2c-hid.debug=1
log_buf_len=16M
Thank you.
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Hello,
Result from
...
for d in $(ls -1 */hid); do d=${d%/*}; grep -q PNP0C50 $d/modalias && echo $d;
done
...
=> MSFT0004:01
And attached dmesg output using the boot parameter you mention.
Regards,
Adrien
** Attachment added: "dmesg.log"
@AdrienM, so you can decompile your ACPI blob shipped by the device
vendor:
$ acpixtract acpi.dump
$ iasl -d *.dat
And from the decompiled `dsdt.dsl` file, it has:
Name (_HID, "") // _HID: Hardware ID
Name (_CID, "PNP0C50" /* HID Protocol Device (I2C bus) */) // _CID:
Hello,
Thanks a lot for having a look, please find enclosed acpi.dump
Do not hesitate if I can provide anything else.
Regards,
** Attachment added: "acpi.dump"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1878279/+attachment/5371882/+files/acpi.dump
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Please attach your acpi dump info:
$ sudo apt install acpica-tools
$ sudo acpidump -o acpi.dump
And attach that `acpi.dump` file.
** Tags added: hwe-touchpad
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** Also affects: linux (Debian)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1878279
Title:
Touchpad not recognized on Lenovo Ideapad 5
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