1 files changed, 8 insertions, 0 deletions
diff --git a/src/drivers/px4io/interface_i2c.cpp b/src/drivers/px4io/interface_i2c.cpp
index 6895a7e23..45a707883 100644
--- a/src/drivers/px4io/interface_i2c.cpp
+++ b/src/drivers/px4io/interface_i2c.cpp
@@ -69,6 +69,8 @@ public:
 
 	virtual bool	ok();
 
+	virtual int	test(unsigned mode);
+
 private:
 	static const unsigned	_retries = 2;
 
@@ -108,6 +110,12 @@ PX4IO_I2C::ok()
 }
 
 int
+PX4IO_I2C::test(unsigned mode)
+{
+	return 0;
+}
+
+int
 PX4IO_I2C::set_reg(uint8_t page, uint8_t offset, const uint16_t *values, unsigned num_values)
 {
 	int ret;