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Some Tablets/Convertibles With Linux 5.17 Will Now Have Working Pen Support
Moving forward hopefully we will see broad adoption of USI stylus support for nice cross-device compatibility and support. But for those with current tablets relying on Goodix or Silead drivers and have an active pen, the Linux 5.17 input subsystem updates present working pen support there with their respective devices.
Red Hat's Hans de Goede who has working extensively on improving Linux laptop and tablet device support including the new x86 tablet driver this cycle was also responsible for adding the active/battery-powered pen support to the Goodix and Silead drivers.
The pen support for the Goodix driver has been tested with the likes of the Trekstor SurfTab Duo W1, Chuwi Hi13, and Cyberbook T116 tablet that with the latest kernel code can now handle its active pen appropriately. The Silead driver also is now working properly with active pens thanks to a little more than one hundred lines of code.
The Chuwi Hi13 is one of the devices now having its active pen working under Linux.
The input updates for Linux 5.17 include those pen additions as well as the Silead driver now being able to parse the embedded firmware for determining the screen size automatically. Plus other fixes round out the input subsystem changes this cycle.