add api for manual gain mode control

2 files changed, 12 insertions, 0 deletions

diff --git a/lib/fcd/fcd_source.cc b/lib/fcd/fcd_source.cc
index 96f9993..8ed7103 100644
--- a/lib/fcd/fcd_source.cc
+++ b/lib/fcd/fcd_source.cc
@@ -186,6 +186,16 @@ osmosdr::gain_range_t fcd_source::get_gain_range( const std::string & name, size
   return get_gain_range( chan );
 }
 
+bool fcd_source::set_gain_mode( bool mode, size_t chan )
+{
+  return get_gain_mode(chan);
+}
+
+bool fcd_source::get_gain_mode( size_t chan )
+{
+  return true;
+}
+
 double fcd_source::set_gain( double gain, size_t chan )
 {
   _src->set_lna_gain(gain);
diff --git a/lib/fcd/fcd_source.h b/lib/fcd/fcd_source.h
index 6fa00a3..5d23a26 100644
--- a/lib/fcd/fcd_source.h
+++ b/lib/fcd/fcd_source.h
@@ -65,6 +65,8 @@ public:
   std::vector<std::string> get_gain_names( size_t chan = 0 );
   osmosdr::gain_range_t get_gain_range( size_t chan = 0 );
   osmosdr::gain_range_t get_gain_range( const std::string & name, size_t chan = 0 );
+  bool set_gain_mode( bool mode, size_t chan = 0 );
+  bool get_gain_mode( size_t chan = 0 );
   double set_gain( double gain, size_t chan = 0 );
   double set_gain( double gain, const std::string & name, size_t chan = 0 );
   double get_gain( size_t chan = 0 );