High Resolution Scrolling On Linux Progressing, Apple Magic Mouse Support In Linux 5.15
Written by Michael Larabel in Hardware on 5 September 2021 at 10:14 AM EDT. 32 Comments
HARDWARE --
Being worked on for several years now on the Linux desktop has been high resolution scrolling including work for it around X Input, the libinput library used both by X.Org and Wayland systems, and the kernel driver side for the HID/input devices to support it. The latest user-space work is high resolution scroll wheel support within the next libinput release. Separately, with Linux 5.15 is now additionally support for high resolution scrolling with the Apple Magic Mouse.

Peter Hutterer of Red Hat who serves as the Linux input expert and is responsible for much of the high resolution scrolling work released libinput 1.18-rc1. With this new snapshot there is support for hold gestures and high resolution scroll wheel support. Peter notes in that announcement that the high resolution wheel scrolling replaces the earlier pointer axis API.

On Peter's blog he has written more about this high resolution scroll wheel support. Via Twitter, Peter also shared a video showing the smoothness of that enhanced scroll wheel support:

And then on the high resolution scrolling support at large, Linux 5.15 adds high resolution scrolling for the Apple Magic Mouse.

The HID pull also includes support for GHLive PS4 dongles, improved stylus battery reporting, and other enhancements to the various HID drivers.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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