我使用的是 HP Probook x360 435 G7 笔记本电脑，上面安装了 ubuntu 20.04。既没有检测到 Wacom 平板电脑，也没有检测到触控笔。
这是蓝牙已打开的情况：
以下是各种命令的输出：
abhijit@abhijit-laptop:~$ dpkg -l | grep wacom
ii libwacom-bin 1.3-2ubuntu3 amd64 Wacom model feature query library -- binaries
ii libwacom-common 1.3-2ubuntu3 all Wacom model feature query library (common files)
ii libwacom2:amd64 1.3-2ubuntu3 amd64 Wacom model feature query library
ii xserver-xorg-input-wacom 1:0.39.0-0ubuntu1 amd64 X.Org X server -- Wacom input driver
abhijit@abhijit-laptop:~$ xsetwacom --list
abhijit@abhijit-laptop:~$
abhijit@abhijit-laptop:~$ lspci | grep -i wacom
abhijit@abhijit-laptop:~$
abhijit@abhijit-laptop:~$ lsusb
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 011: ID 04f2:b6a6 Chicony Electronics Co., Ltd HP 5MP Camera
Bus 003 Device 002: ID 05c8:03dc Cheng Uei Precision Industry Co., Ltd (Foxlink) HP HD Camera
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 06cb:00df Synaptics, Inc.
Bus 001 Device 003: ID 8087:0029 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
abhijit@abhijit-laptop:~$ sudo lsmod | grep -i wacom
wacom 118784 0
usbhid 57344 1 wacom
hid 135168 7 i2c_hid,wacom,usbhid,hid_multitouch,hid_sensor_hub,hid_generic,amd_sfh
abhijit@abhijit-laptop:~$ xinput
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ ELAN071B:00 04F3:312C Mouse id=16 [slave pointer (2)]
⎜ ↳ ELAN071B:00 04F3:312C Touchpad id=17 [slave pointer (2)]
⎜ ↳ ELAN2513:00 04F3:2AD8 id=18 [slave pointer (2)]
⎜ ↳ ELAN2513:00 04F3:2AD8 Pen (0) id=11 [slave pointer (2)]
⎜ ↳ ELAN2513:00 04F3:2AD8 Eraser (0) id=12 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Video Bus id=7 [slave keyboard (3)]
↳ Power Button id=8 [slave keyboard (3)]
↳ Sleep Button id=9 [slave keyboard (3)]
↳ HP HD Camera: HP HD Camera id=14 [slave keyboard (3)]
↳ ELAN2513:00 04F3:2AD8 id=19 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=20 [slave keyboard (3)]
↳ HP Wireless hotkeys id=21 [slave keyboard (3)]
↳ HP WMI hotkeys id=22 [slave keyboard (3)]
↳ HP 5MP Camera: HP 5MP Camera id=10 [slave keyboard (3)]
注意，安装并尝试了 kde_wacom_tablet，但它崩溃了。它没有检测到任何平板电脑。
abhijit@abhijit-laptop:~$ dmesg | grep -i tablet
[125263.396375] kde_wacom_table[330836]: segfault at 0 ip 0000560929fca05b sp 00007ffc3d2827e0 error 4 in kde_wacom_tabletfinder[560929fc6000+23000]
[125278.772338] kde_wacom_table[330942]: segfault at 0 ip 000055a94961a05b sp 00007ffc87c89700 error 4 in kde_wacom_tabletfinder[55a949616000+23000]
abhijit@abhijit-laptop:~$
答案1
您的设备似乎使用了 ELAN 传感器。libwacom 平板电脑数据库不包含很多 ELAN 传感器，GNOME 控制中心不允许您配置数据库中没有的任何设备。您可以按照wacom-hid-descriptors“贡献”说明分享有关您的系统的信息，并希望有人可以根据数据创建平板电脑定义。他们定期为 Wacom 传感器创建定义，但他们的开发人员对 ELAN 硬件不太熟悉...