Hi again, On 2022-07-26 18:48, José Expósito wrote: > The first bad commit is 87562fcd1342 ("HID: input: remove the need for > HID_QUIRK_INVERT"): > https://lore.kernel.org/all/20220203143226.4023622-11-benjamin.tissoires@xxxxxxxxxx/ > (CCing the folks whose email is in the patch tags) > > I reverted the patch on hid/for-next and, after fixing a tiny conflict, > I can confirm that the tablet works again as expected. > > I'd need to investigate a bit more over the weekend, but I think that > all HUION tablets with the latest firmware (internally, v2) are > affected. Indeed, it looks like v2 devices are affected. Similar reports: - https://github.com/DIGImend/digimend-kernel-drivers/issues/626 - https://bugzilla.kernel.org/show_bug.cgi?id=216106 Kindly sending this thread back to your inbox to see if we could fix this regression. Best wishes, Jose > Those tablets do not set the inrange bit (UCLOGIC_PARAMS_PEN_INRANGE_NONE). > The driver sets it and uses a timer to remove it. > See drivers/hid/hid-uclogic-core.c, function uclogic_raw_event_pen(). > [...]