1 files changed, 21 insertions, 0 deletions
diff --git a/backends/alsa/alsa-constants.h b/backends/alsa/alsa-constants.h
index 81257c7..8137289 100644
--- a/backends/alsa/alsa-constants.h
+++ b/backends/alsa/alsa-constants.h
@@ -22,14 +22,35 @@
 #include <alsa/asoundlib.h>
 #include <libmatemixer/matemixer.h>
 
+G_BEGIN_DECLS
+
 typedef struct {
     gchar                     *name;
     gchar                     *label;
     MateMixerStreamControlRole role;
+    gboolean                   use_default_input;
+    gboolean                   use_default_output;
 } AlsaControlInfo;
 
+typedef struct {
+    gchar              *name;
+    gchar              *label;
+    MateMixerSwitchRole role;
+} AlsaSwitchInfo;
+
+typedef struct {
+    gchar *name;
+    gchar *label;
+    gchar *icon;
+} AlsaSwitchOptionInfo;
+
 extern const AlsaControlInfo                alsa_controls[];
+extern const AlsaSwitchInfo                 alsa_switches[];
+extern const AlsaSwitchOptionInfo           alsa_switch_options[];
+
 extern const MateMixerChannelPosition       alsa_channel_map_from[];
 extern const snd_mixer_selem_channel_id_t   alsa_channel_map_to[];
 
+G_END_DECLS
+
 #endif /* ALSA_CONSTANTS_H */