As I recall, the GPU has a "mailbox" interface for this that shouldn't be too complicated to use, and it looks like Microsoft has already added support for the VC4 mailbox to the BSP, however they haven't added the back light related properties yet. Sadly we can`t access a driver from a UWP app so ...

I am using this solution and it is working great without any problem private static I2cDevice I2CAccel; public static void Initialize() { InitI2C(); } public static async void InitI2C() { int i = int.Parse(value.ToString()); string i2cDeviceSelector = I2cDevice.GetDeviceSelector(); var settings = n...