Audio management module for x86/64 target, only providing empty stubs since there is no hardware to control

meson.build

@@ -188,6 +188,7 @@ linux_src = src + ['platform/targets/linux/emulator/emulator.c',
                    'platform/mcu/x86_64/drivers/delays.c',
                    'platform/mcu/x86_64/drivers/rtc.c',
                    'platform/drivers/baseband/radio_linux.c',
+                   'platform/drivers/audio/audio_linux.c',
                    'platform/targets/linux/platform.c']
 
 

platform/drivers/audio/audio_linux.c

@@ -0,0 +1,51 @@
+/***************************************************************************
+ *   Copyright (C) 2021 by Federico Amedeo Izzo IU2NUO,                    *
+ *                         Niccolò Izzo IU2KIN                             *
+ *                         Frederik Saraci IU2NRO                          *
+ *                         Silvano Seva IU2KWO                             *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 3 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, see <http://www.gnu.org/licenses/>   *
+ ***************************************************************************/
+
+#include <interfaces/audio.h>
+#include <interfaces/gpio.h>
+#include <hwconfig.h>
+
+void audio_init()
+{
+}
+
+void audio_terminate()
+{
+}
+
+void audio_enableMic()
+{
+    /* No mic control on this family */
+}
+
+void audio_disableMic()
+{
+    /* No mic control on this family */
+}
+
+void audio_enableAmp()
+{
+    /* No PA control on this family */
+}
+
+void audio_disableAmp()
+{
+    /* No PA control on this family */
+}