From d250b9044a6e5168dfe2dc8875d355408cbf6601 Mon Sep 17 00:00:00 2001
From: Peter Nelson <petern@atropos.lan.fuzzle.org>
Date: Wed, 20 Jan 2010 10:44:24 +0000
Subject: [PATCH] Missed a file

---
 control.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 control.h

diff --git a/control.h b/control.h
new file mode 100644
index 0000000..846c033
--- /dev/null
+++ b/control.h
@@ -0,0 +1,16 @@
+
+struct control_t
+{
+	float value;
+	float step;
+};
+
+static inline void control_setstep(struct control_t *control, float value, uint32_t samples)
+{
+	control->step = (value - control->value) / samples;
+}
+
+static inline void control_tick(struct control_t *control)
+{
+	control->value += control->step;
+}