Don’t know if anyone has tried or if it’s well known, but I did. There was a brief period where I could wake it with my Xbox series controllers but then valve pulled the feature for bugs which I never experienced.
I first tried with the dongle which wakes it as expected on my Linux desktop and my steam deck. Then I paired it with Bluetooth mode and was able to wake it without issue.
Amazing, I tried it when I first got the controller and it didn’t seem to work. I’ll definitely give it another go because this would make things so much more convenient.
The recent SteamOS update reenabled wake on Bluetooth for the LCD model.
I can live without it but I do love it, glad to see it works!