From 1ba8c2517d7162e0a5df1006abffcfc0ca910394 Mon Sep 17 00:00:00 2001
From: Lane Kolbly <lane.kolbly@ni.com>
Date: Fri, 18 Mar 2022 15:41:55 -0500
Subject: host: x410: Cache GPIO source in mb_controller

---
 host/lib/include/uhdlib/usrp/common/mpmd_mb_controller.hpp | 3 +++
 host/lib/include/uhdlib/usrp/common/rpc.py                 | 3 +++
 2 files changed, 6 insertions(+)

(limited to 'host/lib/include/uhdlib')

diff --git a/host/lib/include/uhdlib/usrp/common/mpmd_mb_controller.hpp b/host/lib/include/uhdlib/usrp/common/mpmd_mb_controller.hpp
index f4f6e0ba7..fffa85628 100644
--- a/host/lib/include/uhdlib/usrp/common/mpmd_mb_controller.hpp
+++ b/host/lib/include/uhdlib/usrp/common/mpmd_mb_controller.hpp
@@ -123,6 +123,9 @@ private:
     std::vector<std::string> _gpio_banks;
     std::unordered_map<std::string, std::vector<std::string>> _gpio_srcs;
 
+    //! Cache of currently set GPIO sources
+    std::unordered_map<std::string, std::vector<std::string>> _current_gpio_src;
+
     std::vector<mb_controller::sync_source_updater_t> _sync_source_updaters;
 
 public:
diff --git a/host/lib/include/uhdlib/usrp/common/rpc.py b/host/lib/include/uhdlib/usrp/common/rpc.py
index b33ec773b..f51d2796d 100644
--- a/host/lib/include/uhdlib/usrp/common/rpc.py
+++ b/host/lib/include/uhdlib/usrp/common/rpc.py
@@ -92,6 +92,9 @@ IFACES = [
         fn_from_string("void dio_set_voltage_level(const std::string& port, const std::string& level)"),
         fn_from_string("void dio_set_port_mapping(const std::string& mapping)"),
         fn_from_string("void dio_set_pin_directions(const std::string& port, uint32_t values)"),
+
+        # GPIO
+        fn_from_string("std::vector<std::string> get_gpio_src(const std::string& bank)"),
     ]),
     Interface("dio_rpc", [
         fn_from_string("std::vector<std::string> dio_get_supported_voltage_levels(const std::string& port)"),
-- 
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