Alex Martens

In the header the first byte is the source address, so that's 0x6E in the working monitor, and 0xBE in the non-working monitor. The second byte is the payload length,...

I am not seeing any obvious differences between ddcutil and monitorcontrol unfortunately. If you're comfortable with python I would recommend diving in and tinkering around - this is one of...

What is the model of the monitor? Unfortunately the MCCS specification I have does not mention anything about changing the backlight having side-effects on power modes.

If I recall correctly apple has a proprietary protocol to communicate with their built-in displays. It could work on a Mac for external displays if someone writes the VCP driver.

At the moment there is no way to identify unique monitors, this would be a good feature to have though. I'll accept a pull-request, but I will not be working...

> On Windows, we might want EnumDisplayDevices and the DeviceID member of DISPLAY_DEVICE structure, as long as there's a way to cross reference this with a HMONITOR or some other...

It's using 0 instead of a null pointer for that one, which is valid as far as I know. Maybe it wants something along the lines of `POINTER(LP_RECT)()`? Feel free...

> Docs says that it is getting the monitors back-light luminance, but is actually looking at the brightness and not the luminance (intensity of backlight of an LCD). It is...

What monitor do you have? I use the word backlight because on every monitor I have tested luminance controls the backlight. I have not found any monitors where the backlight...

> I'll try to see if this is possible, the R/G/B light intensity is actually a bit confusing to me because I have one setting for the brightness of the...