Sporadic color inversions when connected to Sony KDL 32s5600 via HDMI

[Godot]

There are strange changes of colors when STB is connected via HDMI to Sony KDL 32s5600. The problem is not reproducible when connected via composite connector. I’ve been told that the root of the problem comes from chipset changing for some reason the color mode from RGB to YCBCR mode, and that is no go for old tv models like sony and phillips. It happens from time to time, in approx 10 minute interval, and comes back to normal eventually. To fix this problem we need a switch in firmware to preset RGB mode. Please add this mode to av settings. Thanks!