Bamboo ink not working lenovo x1 how to#
Bamboo ink not working lenovo x1 driver#

Bamboo ink not working lenovo x1 driver#

Time we ensure the driver understands that there are 0 more contactsД®xpected in the report. By resetting expected and received counts at the same Re-introduces the DTH-2452 issue unless we also address this contactД¬ount laziness. Is removed (see the following patch), and dealing with that condition The confidence flag cannot be relied on when a contact Skipping the invalid contacts at the end of the report, but this is notДЄ complete fix. Prevent reporting invalid contacts) worked around the DTH-2452 issue by Later commits such as 7fb0413baa7f (HID: wacom: Use 'Confidence' flag to Now the driver thinks we've only processed 0 of N expected contacts. The rest of the contacts in the report are then *also* processed since Specifically, the received count gets reset toД once all expected fingers are processed, but not the expected count. Part) to *all* contacts being fully processed - even those past theД®xpected contact count.

This led to problems with the DTH-2452 due (in With commit f8b6a74719b5 ('HID: wacom: generic: Support multiple tools Rely on the 'expected' code flow to take care of making sure they're We are currently lazy about updating the values and These two values go hand-in-hand and must be valid for the driver toД«ehave correctly. Pinging since he will also be interested in this bug.

Bamboo ink not working lenovo x1 how to#

It seems we have a bit more thought ahead of us on how to not break when encountering this confused condition. The Linux 5.15.6 kernel includes a change to how we handle the 'Touch Valid' bit to fix another tablet.