Add working backlight for "ada lovelace" missing case.

[Moody Liu]

Hello,

I would confirm that this patch works for my machine:

  01:00.0 VGA compatible controller: NVIDIA Corporation AD107M [GeForce RTX 4050 Max-Q / Mobile] (rev a1)
  01:00.1 Audio device: NVIDIA Corporation Device 22be (rev a1)

  System Information
    Manufacturer: LENOVO
    Product Name: 82WK
    Version: Legion Y9000P IRX8
    SKU Number: LENOVO_MT_82WK_BU_idea_FM_Legion Y9000P IRX8
    Family: Legion Y9000P IRX8

  Graphics Platform: Wayland
  Processors: 32 × 13th Gen Intel® Core™ i9-13900HX
  Memory: 62.6 GiB of RAM
  Graphics Processor: NV197
  Manufacturer: LENOVO
  Product Name: 82WK
  System Version: Legion Y9000P IRX8


Moody Liu