usrp: added subdev enabled property

the dboard manager will disable all subdevs at startup and shutdown

setting the subdev spec will enable only the subdevs in use

all dboards are currently implemented as always enabled

nothing tested

1 files changed, 14 insertions, 0 deletions

diff --git a/host/lib/usrp/dboard/db_wbx.cpp b/host/lib/usrp/dboard/db_wbx.cpp
index e473ce41e..907268aac 100644
--- a/host/lib/usrp/dboard/db_wbx.cpp
+++ b/host/lib/usrp/dboard/db_wbx.cpp
@@ -513,6 +513,10 @@ void wbx_xcvr::rx_get(const wax::obj &key_, wax::obj &val){
         val = SUBDEV_CONN_COMPLEX_IQ;
         return;
 
+    case SUBDEV_PROP_ENABLED:
+        val = true; //always enabled
+        return;
+
     case SUBDEV_PROP_USE_LO_OFFSET:
         val = false;
         return;
@@ -543,6 +547,9 @@ void wbx_xcvr::rx_set(const wax::obj &key_, const wax::obj &val){
         this->set_rx_ant(val.as<std::string>());
         return;
 
+    case SUBDEV_PROP_ENABLED:
+        return; //always enabled
+
     default: UHD_THROW_PROP_SET_ERROR();
     }
 }
@@ -597,6 +604,10 @@ void wbx_xcvr::tx_get(const wax::obj &key_, wax::obj &val){
         val = SUBDEV_CONN_COMPLEX_IQ;
         return;
 
+    case SUBDEV_PROP_ENABLED:
+        val = true; //always enabled
+        return;
+
     case SUBDEV_PROP_USE_LO_OFFSET:
         val = false;
         return;
@@ -627,6 +638,9 @@ void wbx_xcvr::tx_set(const wax::obj &key_, const wax::obj &val){
         this->set_tx_ant(val.as<std::string>());
         return;
 
+    case SUBDEV_PROP_ENABLED:
+        return; //always enabled
+
     default: UHD_THROW_PROP_SET_ERROR();
     }
 }