** Also affects: linux (Ubuntu Disco)
Importance: Undecided
Status: New
** Also affects: linux-oem-osp1 (Ubuntu Disco)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Bionic)
Status: New => Fix Committed
** Changed in: linux (Ubuntu Disco)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1836752
Title:
input/mouse: alps trackpoint-only device doesn't work
Status in HWE Next:
New
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem-osp1 package in Ubuntu:
Fix Released
Status in linux source package in Bionic:
Fix Committed
Status in linux-oem-osp1 source package in Bionic:
Fix Released
Status in linux source package in Disco:
Fix Committed
Status in linux-oem-osp1 source package in Disco:
New
Bug description:
[Impact]
On one of the latest Lenovo laptops, the trackpoint doesn't work, we
consulted apls guys, they said this trackpoint is different from others,
it is a trackpoint-only device, so the current alps.c doesn't support it
well, while the trackpoint.c can drive it well.
[Fix]
Check if it is trakcpoint-only device, if it yes, let trackpoint.c
handle it.
[Test Case]
apply this patch and boot with the kernel, the trackpoint can work
well.
[Regression Risk]
Low. the way of detect trackpoint-only alps device is provided by
alps. so it is pretty safe.
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