This bug was fixed in the package linux-oem-5.6 - 5.6.0-1023.23
---------------
linux-oem-5.6 (5.6.0-1023.23) focal; urgency=medium
* focal/linux-oem-5.6: 5.6.0-1023.23 -proposed tracker (LP: #1892465)
* CVE-2020-15852
- x86/ioperm: Fix io bitmap invalidation on Xen PV
* Fix non-working USB devices plugged during system sleep (LP: #1892678)
- xhci: Do warm-reset when both CAS and XDEV_RESUME are set
* ASPM not enabled on child devices behind VMD controller (LP: #1889384)
- SAUCE: PCI/ASPM: Enable ASPM for links under VMD domain
* Fix non-working Goodix touchpad after system sleep (LP: #1891998)
- HID: i2c-hid: Always sleep 60ms after I2C_HID_PWR_ON commands
* [SRU] Fix acpi backlight issue on some thinkpads (LP: #1892010)
- platform/x86: thinkpad_acpi: not loading brightness_init when _BCL invalid
* Packaging resync (LP: #1786013)
- [Packaging] update helper scripts
-- Timo Aaltonen <[email protected]> Tue, 25 Aug 2020
08:46:08 +0300
** Changed in: linux-oem-5.6 (Ubuntu Focal)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-15852
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https://bugs.launchpad.net/bugs/1891998
Title:
Fix non-working Goodix touchpad after system sleep
Status in HWE Next:
New
Status in linux package in Ubuntu:
Confirmed
Status in linux-oem-5.6 package in Ubuntu:
Won't Fix
Status in linux source package in Focal:
Won't Fix
Status in linux-oem-5.6 source package in Focal:
Fix Released
Bug description:
[Impact]
After system sleep, Goodix touchpad doesn't work anymore.
[Fix]
Add a delay after issuing SET_POWER_ON command.
[Test]
With the patch applied, Goodix touchpad still works after system sleep.
[Regression Potential]
The original delay between SET_POWER_ON and RESET was increaed to 60ms,
so the the driver becomes much more forgiving on power management. Hence
I am not seeing any major potential regression risk here.
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