APPLIED[F/Unstable]: [PATCH 0/1][B][E][F][OEM-OSP1-B] Sometimes can't adjust brightness on Dell AIO

[Seth Forshee]

On Wed, Feb 12, 2020 at 02:53:14PM +0800, AceLan Kao wrote:
> BugLink: https://bugs.launchpad.net/bugs/1862885
> 
> [Impact]
> We already added retry on the backlight driver, but the scalar have to
> take some time to activate panel during booting up, and 2 seconds seem
> doesn't enough. So, it sometimes fails to get the response from scalar.
> 
> [Fix]
> Enlarge the retry time from 2 seconds to 5 seconds.
> We didn't observe the response time longer than 3 seconds, but to be
> more confident, enlarge the value to 5 seconds.
> 
> [Test]
> Verified on new Dell AIO platform.
> 
> [Regression Potential]
> Low, increase the retry times doesn't hurt anything.

Applied to focal/master-next and unstable/master, thanks!