retain desired samplerate when switching backends

diff --git a/gtk2_ardour/engine_dialog.cc b/gtk2_ardour/engine_dialog.cc
index 8e36e2a619f38e2669ebcf54d140bc3242bf9f44..4f03e92a49205f2c337e9c4a30037357c353343a 100644 (file)
--- a/gtk2_ardour/engine_dialog.cc
+++ b/gtk2_ardour/engine_dialog.cc
@@ -2235,7 +2235,9 @@ EngineControl::set_current_state (const State& state)
        device_combo.set_active_text (state->device);
        input_device_combo.set_active_text (state->input_device);
        output_device_combo.set_active_text (state->output_device);
-       sample_rate_combo.set_active_text (rate_as_string (state->sample_rate));
+       if (!_desired_sample_rate) {
+               sample_rate_combo.set_active_text (rate_as_string (state->sample_rate));
+       }
        set_active_text_if_present (buffer_size_combo, bufsize_as_string (state->buffer_size));
        set_active_text_if_present (nperiods_combo, nperiods_as_string (state->n_periods));
        input_latency.set_value (state->input_latency);