Public bug reported:
[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.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: High
Status: New
** Affects: linux-oem-5.6 (Ubuntu)
Importance: Undecided
Status: Won't Fix
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Status: Won't Fix
** Affects: linux-oem-5.6 (Ubuntu Focal)
Importance: High
Status: New
** Tags: oem-priority originate-from-1890099 somerville
** Also affects: linux-oem (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: linux-oem (Ubuntu)
** Also affects: linux-oem-5.6 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.6 (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Focal)
Status: New => Won't Fix
** Changed in: linux-oem-5.6 (Ubuntu)
Status: New => Won't Fix
** Changed in: linux (Ubuntu)
Importance: Undecided => High
** Changed in: linux-oem-5.6 (Ubuntu Focal)
Importance: Undecided => High
** Tags added: oem-priority originate-from-1890099 somerville
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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:
New
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:
New
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.
To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/1891998/+subscriptions
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