4 files changed, 24 insertions, 0 deletions
diff --git a/host/lib/rfnoc/block_ctrl_base.cpp b/host/lib/rfnoc/block_ctrl_base.cpp
index efd723fcb..e9d6c0030 100644
--- a/host/lib/rfnoc/block_ctrl_base.cpp
+++ b/host/lib/rfnoc/block_ctrl_base.cpp
@@ -354,6 +354,7 @@ void block_ctrl_base::set_command_time(
     }
 
     iface_sptr->set_time(time_spec);
+    _set_command_time(time_spec, port);
 }
 
 time_spec_t block_ctrl_base::get_command_time(
@@ -581,4 +582,8 @@ void block_ctrl_base::_clear(const size_t port)
     sr_write(SR_CLEAR_RX_FC, 0x00C1EA12, port); // 'CLEAR', but we can write anything, really
 }
 
+void block_ctrl_base::_set_command_time(const time_spec_t & /*time_spec*/, const size_t /*port*/)
+{
+    UHD_RFNOC_BLOCK_TRACE() << "block_ctrl_base::_set_command_time() ";
+}
 // vim: sw=4 et:
diff --git a/host/lib/rfnoc/ddc_block_ctrl_impl.cpp b/host/lib/rfnoc/ddc_block_ctrl_impl.cpp
index 830664e5c..b0b510cde 100644
--- a/host/lib/rfnoc/ddc_block_ctrl_impl.cpp
+++ b/host/lib/rfnoc/ddc_block_ctrl_impl.cpp
@@ -130,6 +130,15 @@ public:
                 }
             }
         }
+
+        // Wait, what? If this seems out of place to you, you're right. However,
+        // we need a function call that is called when the graph is complete,
+        // but streaming is not yet set up.
+        if (_tree->exists("tick_rate")) {
+            const double tick_rate = _tree->access<double>("tick_rate").get();
+            set_command_tick_rate(tick_rate, port);
+        }
+
         if (not (_rx_streamer_active.count(port) and _rx_streamer_active.at(port))) {
             return RATE_UNDEFINED;
         }
diff --git a/host/lib/rfnoc/duc_block_ctrl_impl.cpp b/host/lib/rfnoc/duc_block_ctrl_impl.cpp
index 07279ed47..d0742a6d0 100644
--- a/host/lib/rfnoc/duc_block_ctrl_impl.cpp
+++ b/host/lib/rfnoc/duc_block_ctrl_impl.cpp
@@ -113,6 +113,15 @@ public:
     double get_input_samp_rate(size_t port=ANY_PORT)
     {
         port = (port == ANY_PORT) ? 0 : port;
+
+        // Wait, what? If this seems out of place to you, you're right. However,
+        // we need a function call that is called when the graph is complete,
+        // but streaming is not yet set up.
+        if (_tree->exists("tick_rate")) {
+            const double tick_rate = _tree->access<double>("tick_rate").get();
+            set_command_tick_rate(tick_rate, port);
+        }
+
         if (not (_tx_streamer_active.count(port) and _tx_streamer_active.at(port))) {
             return RATE_UNDEFINED;
         }
diff --git a/host/lib/rfnoc/radio_ctrl_impl.cpp b/host/lib/rfnoc/radio_ctrl_impl.cpp
index 1caa9bb99..5504efbb0 100644
--- a/host/lib/rfnoc/radio_ctrl_impl.cpp
+++ b/host/lib/rfnoc/radio_ctrl_impl.cpp
@@ -161,6 +161,7 @@ double radio_ctrl_impl::set_rate(double rate)
     _tick_rate = rate;
     _time64->set_tick_rate(_tick_rate);
     _time64->self_test();
+    set_command_tick_rate(rate);
     return _tick_rate;
 }