--- zzzz-none-000/linux-3.10.107/sound/soc/codecs/tlv320aic3x.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/sound/soc/codecs/tlv320aic3x.h	2021-02-04 17:41:59.000000000 +0000
@@ -169,6 +169,7 @@
 /* Audio serial data interface control register A bits */
 #define BIT_CLK_MASTER          0x80
 #define WORD_CLK_MASTER         0x40
+#define DOUT_TRISTATE		0x20
 
 /* Codec Datapath setup register 7 */
 #define FSREF_44100		(1 << 7)