3 files changed, 13 insertions, 1 deletions
diff --git a/platform/x11/detect.py b/platform/x11/detect.py
index 09e16ad078..89fba02698 100644
--- a/platform/x11/detect.py
+++ b/platform/x11/detect.py
@@ -240,7 +240,7 @@ def configure(env):
 
     if (os.system("pkg-config --exists alsa") == 0): # 0 means found
         print("Enabling ALSA")
-        env.Append(CPPFLAGS=["-DALSA_ENABLED"])
+        env.Append(CPPFLAGS=["-DALSA_ENABLED", "-DALSAMIDI_ENABLED"])
         env.ParseConfig('pkg-config alsa --cflags --libs')
     else:
         print("ALSA libraries not found, disabling driver")
diff --git a/platform/x11/os_x11.cpp b/platform/x11/os_x11.cpp
index af0e02173f..260ce57732 100644
--- a/platform/x11/os_x11.cpp
+++ b/platform/x11/os_x11.cpp
@@ -342,6 +342,10 @@ Error OS_X11::initialize(const VideoMode &p_desired, int p_video_driver, int p_a
 
 	AudioDriverManager::initialize(p_audio_driver);
 
+#ifdef ALSAMIDI_ENABLED
+	driver_alsamidi.open();
+#endif
+
 	ERR_FAIL_COND_V(!visual_server, ERR_UNAVAILABLE);
 	ERR_FAIL_COND_V(x11_window == 0, ERR_UNAVAILABLE);
 
@@ -606,6 +610,9 @@ void OS_X11::finalize() {
 		memdelete(debugger_connection_console);
 	}
 	*/
+#ifdef ALSAMIDI_ENABLED
+	driver_alsamidi.close();
+#endif
 
 #ifdef JOYDEV_ENABLED
 	memdelete(joypad);
diff --git a/platform/x11/os_x11.h b/platform/x11/os_x11.h
index b67bc824be..44455a2d8d 100644
--- a/platform/x11/os_x11.h
+++ b/platform/x11/os_x11.h
@@ -38,6 +38,7 @@
 #include "servers/visual_server.h"
 //#include "servers/visual/visual_server_wrap_mt.h"
 #include "drivers/alsa/audio_driver_alsa.h"
+#include "drivers/alsamidi/alsa_midi.h"
 #include "drivers/pulseaudio/audio_driver_pulseaudio.h"
 #include "joypad_linux.h"
 #include "main/input_default.h"
@@ -168,6 +169,10 @@ class OS_X11 : public OS_Unix {
 	AudioDriverALSA driver_alsa;
 #endif
 
+#ifdef ALSAMIDI_ENABLED
+	MIDIDriverALSAMidi driver_alsamidi;
+#endif
+
 #ifdef PULSEAUDIO_ENABLED
 	AudioDriverPulseAudio driver_pulseaudio;
 #endif