@mykesx I already set my drive's mode to AHCI and reinstalled Windows
first thing :)
(was setting up a triple-boot Hackintosh on here anyways)
but like I said, the issue seems to be with GRUB; Linux boots fine with
no issues if I use rEFInd to boot an already-installed Ubuntu on a USB
SSD (and th
@mykesx I think that might be a problem with GRUB. I wasn't able to boot
Ubuntu here at all (not even the installer) until I used another PC to
install to a USB SSD, replaced GRUB with rEFInd, then plugged the USB
SSD into the Yoga and booted up
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Yes, this should be submitted upstream, although I don't know how to
submit it myself. kaihengfeng, if you could submit it and just give me
credit for the patch that would be great :)
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aha I see the problem with the previous patch I posted here (copy
error):
"{ PCI_VDEVICE(INTEL, 0xa162), (kernel_ulong_t)&spt_uart_info }," is
incorrrect, it should be
"{ PCI_VDEVICE(INTEL, 0xa162), (kernel_ulong_t)&spt_i2c_info },". Whoops!
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Should see something like this in dmesg when the touchpad is working:
[8.628260] input: Wacom HID 50FC Pen as
/devices/pci:00/:00:15.1/i2c_designware.1/i2c-20/i2c-WCOM50FC:00/0018:056A:50FC.0005/input/input14
[8.628328] input: Wacom HID 50FC Finger as
/devices/pci:00/:00:
** Attachment added: "Source for previously attached binary module."
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1700657/+attachment/4924667/+files/intel-lpss-pci.c
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Here's the kernel image + headers I'm using and the patched module I'm
using:
Kernel Image: http://archive.ubuntu.com/ubuntu/pool/main/l/linux-hwe
/linux-image-4.10.0-28-generic_4.10.0-28.32~16.04.2_amd64.deb
Kernel Headers: http://archive.ubuntu.com/ubuntu/pool/main/l/linux-hwe
/linux-headers-4.
Also, the BIOS version on my Yoga 720 15" (where my patch is working) is
4MCN20WW (so we can try seeing if we can get reproducible results).
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https://bugs.launchpad.net/bugs/1
Wonder if there might be something with the kernel versions... can you
try applying the intel-lpss-pci patch on top of an unpatched Ubuntu 4.10
kernel? I tested the patch with 4.10.0-28-generic here
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I have managed to get my Yoga 720 15"'s touchpad working in Linux Mint
(based on Ubuntu)
It's a fairly straightforward issue + patch (missing PCI ID)
Need to re-compile intel-lpss-pci module
On this line: https://github.com/torvalds/linux/blob/master/drivers/mfd
/intel-lpss-pci.c#L224
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