Various Chrome OS Hardware Support Improvements Make It Into Linux 5.3 Mainline
Written by Michael Larabel in Google on 15 July 2019 at 12:02 AM EDT. 1 Comment
GOOGLE --
Various Chrome OS hardware platform support improvements have made it into the Linux 5.3 kernel for those after running other Linux distributions on Chromebooks and the like as well as reducing Google's maintenance burden with traditionally carrying so much material out-of-tree.

Some of the Chrome platform changes for Linux 5.3 include adding a new ChromeOS ISHTP transport protocol for communicating with the Intel Sensor Hub (ISH), a lid angle sensor driver for being able to determine the Chromebook's lid angle on newer devices, fixes to their light-bar driver, the Wilco embedded controller now has event handling support and new sysfs attributes, and various other enhancements.

The Chrome OS EC MFD driver also has a number of new APIs now exposed ranging from the touchpad and fingerprint sensor to an updated light-bar API and other additions.

The complete list of Chrome platform changes for Linux 5.3 can be found via this pull request.

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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 10,000 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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