1 files changed, 18 insertions, 0 deletions
diff --git a/test/read_mixer.c b/test/read_mixer.c
index be6864ba1..bbfb23687 100644
--- a/test/read_mixer.c
+++ b/test/read_mixer.c
@@ -19,6 +19,8 @@
 
 #include "mixer_control.h"
 #include "mixer_list.h"
+#include "filter_registry.h"
+#include "pcm_volume.h"
 
 #include <glib.h>
 
@@ -26,6 +28,22 @@
 #include <string.h>
 #include <unistd.h>
 
+const struct filter_plugin *
+filter_plugin_by_name(G_GNUC_UNUSED const char *name)
+{
+	assert(false);
+	return NULL;
+}
+
+bool
+pcm_volume(G_GNUC_UNUSED void *buffer, G_GNUC_UNUSED int length,
+	   G_GNUC_UNUSED const struct audio_format *format,
+	   G_GNUC_UNUSED int volume)
+{
+	assert(false);
+	return false;
+}
+
 int main(int argc, G_GNUC_UNUSED char **argv)
 {
 	struct mixer *mixer;