[PATCH 0/2][SRU][N] Dell AIO backlight is not working, dell_uart_backlight module is missing

AceLan Kao acelan.kao at canonical.com
Fri Jun 13 05:01:25 UTC 2025


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 and 6.11 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) (2):
  UBUNTU: SAUCE: dell_uart_backlight: size_t -> ssize_t
  UBUNTU: [Config] enable CONFIG_DELL_UART_BACKLIGHT

 debian.master/config/annotations                | 2 +-
 drivers/platform/x86/dell/dell-uart-backlight.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

-- 
2.43.0




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