APPLIED(B, E): [PATCH 0/1][SRU][OEM-OSP1-B][B][E][F] Another Dell AIO backlight issue

[Khaled Elmously]

On 2020-02-20 09:20:31 , 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.
> 
> AceLan Kao (1):
>   UBUNTU: SAUCE: platform/x86: dell-uart-backlight: move retry block
> 
>  drivers/platform/x86/dell-uart-backlight.c | 23 +++++++++++-----------
>  1 file changed, 11 insertions(+), 12 deletions(-)
> 
> -- 
> 2.17.1
> 
> 
> -- 
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team