seq: event_data_ctl: use const qualifier to self argument for getter API

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>

diff --git a/src/seq/event-data-ctl.c b/src/seq/event-data-ctl.c
index 1cbbefa09d8d647ffaa54a66b335f6dd259f5289..5c29a4fb330016b78f6aba403954b963a946ffe5 100644 (file)
--- a/src/seq/event-data-ctl.c
+++ b/src/seq/event-data-ctl.c
@@ -25,7 +25,7 @@ G_DEFINE_BOXED_TYPE(ALSASeqEventDataCtl, alsaseq_event_data_ctl, seq_event_data_
  *
  * Get the value of channel for the control event.
  */
-void alsaseq_event_data_ctl_get_channel(ALSASeqEventDataCtl *self,
+void alsaseq_event_data_ctl_get_channel(const ALSASeqEventDataCtl *self,
                                         guint8 *channel)
 {
     *channel = self->channel;
@@ -51,7 +51,8 @@ void alsaseq_event_data_ctl_set_channel(ALSASeqEventDataCtl *self,
  *
  * Get the parameter for the control event.
  */
-void alsaseq_event_data_ctl_get_param(ALSASeqEventDataCtl *self, guint *param)
+void alsaseq_event_data_ctl_get_param(const ALSASeqEventDataCtl *self,
+                                      guint *param)
 {
     *param = self->param;
 }
@@ -75,7 +76,8 @@ void alsaseq_event_data_ctl_set_param(ALSASeqEventDataCtl *self, guint param)
  *
  * Get the value for the control event.
  */
-void alsaseq_event_data_ctl_get_value(ALSASeqEventDataCtl *self, gint *value)
+void alsaseq_event_data_ctl_get_value(const ALSASeqEventDataCtl *self,
+                                      gint *value)
 {
     *value = self->param;
 }

diff --git a/src/seq/event-data-ctl.h b/src/seq/event-data-ctl.h
index 022602920795aa1e44bef99e0003f75f44d30294..84a033b65e927cfa7b1970eb3929f3e1b196dcf2 100644 (file)
--- a/src/seq/event-data-ctl.h
+++ b/src/seq/event-data-ctl.h
@@ -17,15 +17,17 @@ typedef struct snd_seq_ev_ctrl ALSASeqEventDataCtl;
 
 GType alsaseq_event_data_ctl_get_type() G_GNUC_CONST;
 
-void alsaseq_event_data_ctl_get_channel(ALSASeqEventDataCtl *self,
+void alsaseq_event_data_ctl_get_channel(const ALSASeqEventDataCtl *self,
                                         guint8 *channel);
 void alsaseq_event_data_ctl_set_channel(ALSASeqEventDataCtl *self,
                                         guint8 channel);
 
-void alsaseq_event_data_ctl_get_param(ALSASeqEventDataCtl *self, guint *param);
+void alsaseq_event_data_ctl_get_param(const ALSASeqEventDataCtl *self,
+                                      guint *param);
 void alsaseq_event_data_ctl_set_param(ALSASeqEventDataCtl *self, guint param);
 
-void alsaseq_event_data_ctl_get_value(ALSASeqEventDataCtl *self, gint *value);
+void alsaseq_event_data_ctl_get_value(const ALSASeqEventDataCtl *self,
+                                      gint *value);
 void alsaseq_event_data_ctl_set_value(ALSASeqEventDataCtl *self, gint value);
 
 G_END_DECLS