CONFIG_V4L2_JPEG_HELPER (not configurable)

modulename: v4l2-jpeg.ko

configname: CONFIG_V4L2_JPEG_HELPER

Linux Kernel Configuration
└─>Device Drivers
└─>Multimedia support
└─>Video4Linux options
└─>V4L2_JPEG_HELPER
In linux kernel since version 5.1 (release Date: 2019-05-05)  
source code:
drivers/media/v4l2-core/v4l2-jpeg.c