[PATCH v4 0/2][SRU][Bionic]Dell AIO UART backlight driver

Seth Forshee seth.forshee at canonical.com
Tue Oct 2 14:20:21 UTC 2018


On Thu, Sep 20, 2018 at 04:41:13PM +0800, AceLan Kao wrote:
> BugLink: https://bugs.launchpad.net/bugs/1727235
> 
> [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 AIO 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.

I assume this will also be wanted in cosmic?




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