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-rw-r--r--include/i2c.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/i2c.h b/include/i2c.h
index 4c0e263..d191829 100644
--- a/include/i2c.h
+++ b/include/i2c.h
@@ -191,6 +191,19 @@ int dm_i2c_reg_read(struct udevice *dev, uint offset);
int dm_i2c_reg_write(struct udevice *dev, uint offset, unsigned int val);
/**
+ * dm_i2c_xfer() - Transfer messages over I2C
+ *
+ * This transfers a raw message. It is best to use dm_i2c_reg_read/write()
+ * instead.
+ *
+ * @dev: Device to use for transfer
+ * @msg: List of messages to transfer
+ * @nmsgs: Number of messages to transfer
+ * @return 0 on success, -ve on error
+ */
+int dm_i2c_xfer(struct udevice *dev, struct i2c_msg *msg, int nmsgs);
+
+/**
* dm_i2c_set_bus_speed() - set the speed of a bus
*
* @bus: Bus to adjust