UNAPPLIED: [PATCH 0/1][SRU][P][Q] Dell AIO backlight is not working, dell_uart_backlight module is missing

[Chia-Lin Kao (AceLan)]

On Fri, Jul 04, 2025 at 04:24:08PM +0200, Stefan Bader wrote:
> On 14.06.25 12:35, Mehmet Basaran wrote:
> > 
> > I see that a similar patchset is also submitted to noble but it doesn't
> > apply there. I think maybe we mixed up N with this one. I will unapply
> > this for now until we got AceLan's opinion.
> 
> This ended up having DELL_UART_BACKLIGHT not being enabled in either Noble
> nor Plucky. It is enabled in Questing/unstable. Acelan, please advice what
> to do...
I'll check the missing series later and submit another SRU.
Thanks.

> 
> > 
> > 
> > AceLan Kao <acelan.kao at canonical.com> writes:
> > 
> > > From: "Chia-Lin Kao (AceLan)" <acelan.kao at canonical.com>
> > > 
> > > BugLink: https://bugs.launchpad.net/bugs/2083800
> > > 
> > > [Impact]
> > > Dell AIO backlight need dell_uart_backlight module, but CONFIG_DELL_UART_BACKLIGHT is not enabled on 6.8+ kernels.
> > > 
> > > [Fix]
> > > Enable the option in the kernel config
> > > 
> > > [Test Case]
> > > 1. Boot Dell AIO machine to desktop
> > > 2. The backlight should be controlled through hotkey and/or GUI
> > > 
> > > [Where problems could occur]
> > > No regression.
> > > 
> > > Chia-Lin Kao (AceLan) (1):
> > >    UBUNTU: [Config] enable CONFIG_DELL_UART_BACKLIGHT
> > > 
> > >   debian.master/config/annotations | 2 +-
> > >   1 file changed, 1 insertion(+), 1 deletion(-)
> > > 
> > > -- 
> > > 2.43.0
> > > 
> > > 
> > > -- 
> > > kernel-team mailing list
> > > kernel-team at lists.ubuntu.com
> > > https://lists.ubuntu.com/mailman/listinfo/kernel-team
> > > 
> 
> 
> -- 
> - Stefan