> implementation of an i2c bus. The TV-encoder chip is apparently > controlled through one of the standard i2c busses of the chipset. Based That would be typical for such setups from other vnedors at least > point me to info on the programming interface for the "GMBus", that > would be very helpful. It'd also be great if someone happened to know > the make and model of the TV-encoder chip in this laptop. I asked Sony > more than two weeks ago, but they have not responded. You need to find the i2c bus master, the kernel i2c code and lm-sensors support smbus and can also do scans of any i2c bus once you find it and have written any needed glue. I suspect the folsk to ask are XFree86
