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-rw-r--r--host/lib/utils/gain_group.cpp11
1 files changed, 11 insertions, 0 deletions
diff --git a/host/lib/utils/gain_group.cpp b/host/lib/utils/gain_group.cpp
index 50edf2515..0e4df6469 100644
--- a/host/lib/utils/gain_group.cpp
+++ b/host/lib/utils/gain_group.cpp
@@ -182,3 +182,14 @@ private:
gain_group::sptr gain_group::make(void){
return sptr(new gain_group_impl());
}
+
+gain_group::sptr gain_group::make_zero()
+{
+ gain_fcns_t gain_fcns;
+ gain_fcns.get_range = []() { return meta_range_t(0.0, 0.0); };
+ gain_fcns.get_value = []() { return 0.0; };
+ gain_fcns.set_value = [](const double) {};
+ auto gg = make();
+ gg->register_fcns("null", gain_fcns);
+ return gg;
+}