Lowlevel video output switch controls

modulename: output.ko

configname: CONFIG_VIDEO_OUTPUT_CONTROL

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Lowlevel video output switch controls
In linux kernel since version 2.6.24 (release Date: 2008-01-24)  
This framework adds support for low-level control of the video
output switch.

source code:
drivers/video/output.c