[Bug]: Caps Lock state cannot sync between internal keyboard and external USB keyboards

[wenbhou]

Is there an existing issue for this?

• I have searched existing issues

Current Behavior

The current UefiHidDxeV2 is unable to sync the keyboard LED state from the integrated keyboard to external USB keyboards connected to a laptop, resulting in a poor user experience.

Expected Behavior

The Caps Lock LED state should sync between the internal keyboard and the external USB keyboard.

Steps To Reproduce

1. Connect an external USB keyboard to a laptop.
2. Press the Caps Lock key on the internal keyboard.
3. Observe the LED state on both the internal and external keyboards.

Build Environment

- OS(s): Windows 11
- Tool Chain(s): VS2022
- Targets Impacted: All

Version Information

1f14573ee4ed7cceea65ae5f06dab6b76745b566

Urgency

High

Are you going to fix this?

I will fix it

Do you need maintainer feedback?

No maintainer feedback needed

Anything else?

No response