default or selected kernelversion does not have config value CONFIG_SND_AT91_SOC_I2S.
Result is shown for kernelversion 5.10.188
CONFIG_SND_AT91_SOC_I2S (not configurable)
modulename: snd-soc-at91-i2s.ko
configname: CONFIG_SND_AT91_SOC_I2S
Linux Kernel Configuration
└─>Device Drivers
└─>Sound
└─>Advanced Linux Sound Architecture
└─>SoC audio support
└─>SoC Platforms
└─>SoC Audio for the Atmel AT91
└─>SND_AT91_SOC_I2S