--- zzzz-none-000/linux-3.10.107/sound/soc/nuc900/Kconfig	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/sound/soc/nuc900/Kconfig	2021-02-04 17:41:59.000000000 +0000
@@ -4,6 +4,7 @@
 config SND_SOC_NUC900
 	tristate "SoC Audio for NUC900 series"
 	depends on ARCH_W90X900
+	select SND_SOC_NUC900_AC97
 	help
 	  This option enables support for AC97 mode on the NUC900 SoC.