--- zzzz-none-000/linux-3.10.107/include/uapi/linux/i2c-dev.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/uapi/linux/i2c-dev.h	2021-02-04 17:41:59.000000000 +0000
@@ -66,7 +66,9 @@
 	__u32 nmsgs;			/* number of i2c_msgs */
 };
 
-#define  I2C_RDRW_IOCTL_MAX_MSGS	42
+#define  I2C_RDWR_IOCTL_MAX_MSGS	42
+/* Originally defined with a typo, keep it for compatibility */
+#define  I2C_RDRW_IOCTL_MAX_MSGS	I2C_RDWR_IOCTL_MAX_MSGS
 
 
 #endif /* _UAPI_LINUX_I2C_DEV_H */