** Tags removed: verification-needed-zesty
** Tags added: verification-done-zesty
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Title:
Touchpad not detected in Lenovo X1 Yoga /
I installed this kernel on my Ubuntu 17.10 Arful Awkward, but it does not seem
to work since kernel 4.10 is too old for my Lenovo Yoga 720-15.
(Link:
https://launchpad.net/ubuntu/zesty/amd64/linux-image-4.10.0-38-generic/4.10.0-38.42
)
Could you please publish a kernel 4.13 for artful, since i
The simplest way is to install the latest linux mainline kernel on Ubuntu:
http://kernel.ubuntu.com/~kernel-ppa/mainline/
Just download and "dpkg -i" the corresponding .deb packages.
Further instructions how to install mainline kernels on Ubuntu:
https://wiki.ubuntu.com/Kernel/MainlineBuilds
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The patch is accepted upstream, but has to be backported to Ubuntu kernels <=
4.13.
See also https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1710392
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
Additional initializer needed to recognize trackpad on
OK, I'm still fixing the patch ^^
@mykesx and @bjodah:
I just discovered the "tested-by" tag. Would you mind if I put your names into
this field?
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Yes, I'm currently not at home, so I'll have to wait until tomorrow to
re-try.
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Title:
Touchpad not detected in Lenovo X1 Yoga / Yog
Never mind, I think I got it working:
https://lkml.org/lkml/2017/8/3/765
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Title:
Touchpad not detected in Lenovo X1 Yoga / Yoga 720-
Hi, I already created a pull request on Github.
@mykesx already noted, that I made a indentation error.
I updated the patch, see attachment.
However, I am not shure, how I should publish this patch for Kernel 4.13.
Github tells me that I have to publish it by sending the patch to the
correspondi
@mykesx:
If you don't want to wait for a upstream fix I'd recommend you to simply
compile your own kernel like described here:
https://wiki.ubuntu.com/KernelTeam/GitKernelBuild
You can either use my repository
(https://github.com/Hoeze/linux/tree/zesty) for Ubuntu Kernel 4.10.17 or
you clone git:
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Committed
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Title:
Touchpad not detected in Lenovo X1 Yoga / Yoga 720-1
I created a git repository with the patch:
https://github.com/Hoeze/linux/tree/zesty
The requested patch is attached to this comment.
I also tried it with Kernel 4.13; it's working like a charm (yay)!
Thank you very much, CoolStar!
** Patch added:
"0001-Fix-missing-PCI-ID-thanks-to-CoolStar-Nece
** Attachment added: "dmesg.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1700657/+attachment/4924382/+files/dmesg.txt
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Title:
Touchpad not detected in Lenovo X1 Yoga / Yoga 720-15IKB
Status in Linux:
Unknown
Status in linux package in Ubuntu:
Con
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Title:
Touchpad not detected in Lenovo X1 Yoga / Yoga 720-15IKB
Status in Linux:
Unknown
Status in linux package in Ubuntu:
Con
I also compiled linux kernel 4.10.17 with your patch.
Using your patch causes crashing of the "i2c_designware" driver (see
attachment).
I also tried the current Linux kernel commit (=> 4.13), with the same result.
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I just tried Kernel 4.13 RC2. Nothing changed.
I did not test your "ELAN0651" patch. Maybe both together could enable the
touchpad...
However, it would be really helpful to me, if someone could give me a
direction, how I can debug this problem.
"cat /sys/bus/i2c/devices/*/name" does not show any
I just checked my dmesg:
If ACPI is the problem, shouldn't dmesg show some "elan0651" device (although
it does not bind any driver to it)?
So, if I cannot find any "elan" string in my dmesg, this should mean that the
kernel does not find ANY i2c device with a similar hardware name, shouldn't it?
There was a commit regarding the elan_i2c driver:
https://github.com/torvalds/linux/commit/a2eaf299d134cfe780c68c771f88d81516c1e70d
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T
This sounds like a problem with SecureBoot.
Did you disable UEFI SecureBoot?
How about the touchpad? Is it working with your kernel?
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Which ubuntu distribution do you use?
I could test this patch on my own notebook as soon as I got some spare
time...
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Title:
Touchp
I attached parts of the requested dmesg to this comment.
Is this enough information? I'm a little bit afraid of posting my full dmesg,
due to privacy...
(Maybe someone could tell me, how I can automatically censor MAC addresses /
other sensitive information..?)
** Attachment added: "dmesg |grep
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Tags added: kernel-bug-exists-upstream
** Tags added: artful
** Summary changed:
- Touchpad not detected in Lenovo X1 Yoga
+ Touchpad not detected in Lenovo X1 Yoga / Yoga 720-15IKB
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I tried it with latest mainline kernel 4.12 on Ubuntu 17.10, but the
touchpad is still not working
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Title:
Touchpad not detected in
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