I understand you are trying to setup your Slingbox M2 using components and you want to use HDMI to provide video to your Control 4 system. Please use the image below as a guide on how to connect your component cables.
Once you have your component cables connected, all you have to do is connect your HDMI cable from your cable box to your Control 4 system and you should be good to go. For further reference, please review the links below:
Sling Media Moderation Team