extend *_request callbacks to include maximum.

2 files changed, 4 insertions, 4 deletions

diff --git a/include/synthpod_app.h b/include/synthpod_app.h
index baa5cadc..f34b8849 100644
--- a/include/synthpod_app.h
+++ b/include/synthpod_app.h
@@ -41,8 +41,8 @@ typedef struct _sp_app_system_source_t sp_app_system_source_t;
 typedef struct _sp_app_system_sink_t sp_app_system_sink_t;
 typedef struct _sp_app_driver_t sp_app_driver_t;
 
-typedef void *(*sp_to_request_t)(size_t size, void *data);
-typedef void (*sp_to_advance_t)(size_t size, void *data);
+typedef void *(*sp_to_request_t)(size_t minimum, size_t *maximum, void *data);
+typedef void (*sp_to_advance_t)(size_t written, void *data);
 
 typedef void *(*sp_system_port_add)(void *data, system_port_t type,
 	const char *short_name, const char *pretty_name, const char *designation,
diff --git a/include/synthpod_ui.h b/include/synthpod_ui.h
index 021b77c2..e353ccb5 100644
--- a/include/synthpod_ui.h
+++ b/include/synthpod_ui.h
@@ -54,8 +54,8 @@ typedef enum _sp_ui_features_t sp_ui_features_t;
 typedef struct _sp_ui_t sp_ui_t;
 typedef struct _sp_ui_driver_t sp_ui_driver_t;
 
-typedef void *(*sp_to_request_t)(size_t size, void *data);
-typedef void (*sp_to_advance_t)(size_t size, void *data);
+typedef void *(*sp_to_request_t)(size_t minimum, size_t *maximum, void *data);
+typedef void (*sp_to_advance_t)(size_t written, void *data);
 
 typedef void (*sp_close_t)(void *data);