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-rw-r--r--include/i2c.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/i2c.h b/include/i2c.h
index a8f729a..54c6f9f 100644
--- a/include/i2c.h
+++ b/include/i2c.h
@@ -46,6 +46,16 @@
*/
#define I2C_RXTX_LEN 128 /* maximum tx/rx buffer length */
+#if defined(CONFIG_I2C_MULTI_BUS)
+#define CFG_MAX_I2C_BUS 2
+#define I2C_GET_BUS() i2c_get_bus_num()
+#define I2C_SET_BUS(a) i2c_set_bus_num(a)
+#else
+#define CFG_MAX_I2C_BUS 1
+#define I2C_GET_BUS() 0
+#define I2C_SET_BUS(a)
+#endif
+
/*
* Initialization, must be called once on start up, may be called
* repeatedly to change the speed and slave addresses.