From 0318d3cd64557156bfd9851a4dec53bf03395b17 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Fri, 8 Jul 2016 16:13:15 -0400
Subject: [PATCH] add explanatory comment

---
 libs/surfaces/push2/push2.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libs/surfaces/push2/push2.cc b/libs/surfaces/push2/push2.cc
index bd058c6707..60570e5d89 100644
--- a/libs/surfaces/push2/push2.cc
+++ b/libs/surfaces/push2/push2.cc
@@ -1772,6 +1772,8 @@ Push2::set_pad_scale (int root, int octave, MusicalMode::Type mode, bool inkey)
 	mode_map.insert (note);
 	mode_vector.push_back (note);
 
+	/* build a map of all notes in the mode, from the root to 127 */
+
 	while (note < 128) {
 
 		if (interval == m.steps.end()) {