Don't know if this will help, but here are some code from about 2006. For many brands of TVs, the names of the inputs change, but the EFCs tend not to.
EFC | Key |
007 | HDMI 2 |
008 | Home |
009 | DTV |
020 | DVI |
036 | Ant 2 |
071 | Input 2 |
073 | Comp 1 |
135 | Input 3 |
153 | PC |
199 | Input 1 |
201 | Comp 2 |
231 | Ant 1 |
233 | HDMI1 |
