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

[Khaled Elmously]

On 2020-02-12 14:53:14 , 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.
> 
> AceLan Kao (1):
>   UBUNTU: SAUCE: platform/x86: dell-uart-backlight: increase retry times
> 
>  drivers/platform/x86/dell-uart-backlight.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> -- 
> 2.17.1
> 
> 
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