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-rw-r--r--host/include/uhd/rfnoc/register_iface.hpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/host/include/uhd/rfnoc/register_iface.hpp b/host/include/uhd/rfnoc/register_iface.hpp
index a89d85717..3344b7c5e 100644
--- a/host/include/uhd/rfnoc/register_iface.hpp
+++ b/host/include/uhd/rfnoc/register_iface.hpp
@@ -38,8 +38,8 @@ public:
* modelled as a simple register write (key-value pair with addr/data) that
* is initiated by the FPGA.
*/
- using async_msg_callback_t =
- std::function<void(uint32_t addr, const std::vector<uint32_t>& data)>;
+ using async_msg_callback_t = std::function<void(
+ uint32_t addr, const std::vector<uint32_t>& data, boost::optional<uint64_t>)>;
/*! Write a 32-bit register implemented in the NoC block.
*