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-rw-r--r--include/i2c/smbus.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/i2c/smbus.h b/include/i2c/smbus.h
index b7facf6..18a5305 100644
--- a/include/i2c/smbus.h
+++ b/include/i2c/smbus.h
@@ -23,6 +23,8 @@
#ifndef LIB_I2C_SMBUS_H
#define LIB_I2C_SMBUS_H
+#define I2C_API_VERSION 0x100
+
#include <linux/types.h>
#include <linux/i2c.h>