default or selected kernelversion does not have config value CONFIG_VIDEO_OMAP4_DEBUG.
Result is shown for kernelversion 6.5.1
OMAP 4 Camera debug messages
configname: CONFIG_VIDEO_OMAP4_DEBUG
Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Media staging drivers
└─>OMAP 4 Camera debug messages
In linux kernel since version 3.14 (release Date: 2014-03-30)
Enable debug messages on OMAP 4 ISS controller driver.