default or selected kernelversion does not have config value CONFIG_VIDEO_SMIAPP_PLL.
Result is shown for kernelversion 6.9.9

CONFIG_VIDEO_SMIAPP_PLL (not configurable)

modulename: smiapp-pll.ko

configname: CONFIG_VIDEO_SMIAPP_PLL

Linux Kernel Configuration
└─>Device Drivers
└─>Multimedia support
└─>I2C Encoders, decoders, sensors and other helper chips
└─>VIDEO_SMIAPP_PLL
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code:
drivers/media/i2c//smiapp-pll.c

is depended by
CONFIG_VIDEO_SMIAPP