APPLIED Re: [PATCH 0/1][SRU][OEM-6.1] Remove all other acpi_video backlight interface on

[Timo Aaltonen]

AceLan Kao kirjoitti 2.3.2023 klo 11.28:
> From: "Chia-Lin Kao (AceLan)" <acelan.kao at canonical.com>
> 
> BugLink: https://launchpad.net/bugs/2008882
> 
> [Impact]
> There are acpi_video* sysfs backlight interface in the system which are
> not working.
> For Dell AIO platforms, we use dell_uart_backlight to control the display
> brightness.
> The old way to fix this is to unregister acpi backlight interfaces in the
> backlight driver, but it may lead to some issues and the unregister
> function has been removed since v6.1-rc1
> 77ab9d4d44cd ("ACPI: video: Remove acpi_video_set_dmi_backlight_type()")
> 
> [Fix]
> The new way to do this is to collect all the quirk and auto detection
> method in video_detect.c
> I added an audo detection for the Dell AIO platoform to the driver which
> should do the same thing as the old way.
> 
> The fix is based on v6.1.9 upstream stable release, so will submit SRU
> for Lunar/Unstable after Lunar/Unstable has based on v6.1.9 upstream
> stable release.
> 
> [Test]
> Verified on the Dell AIO platform and confirmed there is only one
> dell_uart_backlight in the sysfs, and no acpi_video* interface.
> 
> [Where problems could occur]
> There should be no regression potential, it uses different way to do the
> same thing, should be pretty safe.
> 
> Chia-Lin Kao (AceLan) (1):
>    UBUNTU: SAUCE: ACPI: video: Dell AIO UART backlight detection
> 
>   drivers/acpi/video_detect.c | 5 +++++
>   1 file changed, 5 insertions(+)
> 

applied, thanks

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