Building with the attached random configuration file,
ERROR: "spi_setup" [sound/soc/codecs/snd-soc-tlv320aic23-spi.ko] undefined!
ERROR: "devm_regmap_init_spi"
[sound/soc/codecs/snd-soc-tlv320aic23-spi.ko] undefined!
ERROR: "spi_register_driver"
[sound/soc/codecs/snd-soc-tlv320aic23-spi.ko] undefined!
make[1]: *** [__modpost] Error 1