[PATCH 0/1][SRU][OEM-OSP1-B][B][E][F] Another Dell AIO backlight issue

[Seth Forshee]

On Thu, Feb 20, 2020 at 09:20:31AM +0800, AceLan Kao wrote:
> BugLink: https://bugs.launchpad.net/bugs/1863880
> 
> [Impact]
> The scalar which controls the backlight sometimes doesn't respond the first
> command, so driver can't determinate whether this scalar is in charge of
> the backlight or not.
> 
> [Fix]
> Move the retry block not only to read the response, but also includes
> write command, so that it re-send the command, too.
> 
> [Test]
> Verified on the buggy Dell AIO, it passes 30 times and should be more
> reliable.
> 
> [Regression Potential]
> Low, there is no code flow change, just move the retry block to include
> both write and read command.

Did you do regression testing on any machines besides the one fixed by
this patch?

Thanks,
Seth