From 560bbde29a8010263e6ea90c5bd3ec6c25c0987e Mon Sep 17 00:00:00 2001
From: Brendan Bartels <bbartels@iastate.edu>
Date: Fri, 21 Apr 2017 17:27:04 -0500
Subject: [PATCH] quad: update comment for hw_iface.h

---
 quad/src/quad_app/hw_iface.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/quad/src/quad_app/hw_iface.h b/quad/src/quad_app/hw_iface.h
index 03b855082..339e8445e 100644
--- a/quad/src/quad_app/hw_iface.h
+++ b/quad/src/quad_app/hw_iface.h
@@ -13,6 +13,11 @@
  * hardware layer appropriate for your circumstance:
  * ../../xsdk_worksapce/real_quad -> running quad_app on the Zybo
  * ../virt_quad -> running quad_app in a Unix environment
+ *
+ * Function Pointer Return Values:
+ * - All driver functions return the error code
+ * - 0 for success
+ * - nonzero otherwise
  */
 
 // Forward declared types
-- 
GitLab