** Changed in: linux (Ubuntu)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1727235
Title:
Dell new AIO requires a new uart backlight driver
Status in HWE Next:
New
Status in OEM Priority Project:
Triaged
Status in linux package in Ubuntu:
Fix Committed
Status in linux-oem package in Ubuntu:
Invalid
Status in linux source package in Bionic:
Fix Committed
Status in linux-oem source package in Bionic:
New
Bug description:
[Impact]
New Dell AIO platforms requires a driver that ​can communicate with the
scalar IC FW through UART interface to get and set the brightness level.
[Test]
Verified on some new Dell machines and confirmed it works.
[Fix]
Write a new driver to handle this task.
[Regression Potential]
Low, it's a new driver for new interface.
[Misc]
Upstream maintainer ask use to re-implement this driver by the new
interface, serdev, but serdev seems doesn't work with ACPI, so submit
this driver as Ubuntu sauce patch for now. I'll try re-write it when I'm
available.
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