From 9838cc0cc9eb74c7e64629cb628c73405c56c557 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Recht=C3=A9?= <mrechte@studelec-sa.com>
Date: Tue, 20 Sep 2016 08:04:32 -0600
Subject: [PATCH] Make DAC structure packed

---
 include/nuttx/analog/dac.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/nuttx/analog/dac.h b/include/nuttx/analog/dac.h
index db2cf5a7368..4f34709a847 100644
--- a/include/nuttx/analog/dac.h
+++ b/include/nuttx/analog/dac.h
@@ -47,6 +47,7 @@
  ************************************************************************************/
 
 #include <nuttx/config.h>
+#include <nuttx/compiler.h>
 
 #include <sys/types.h>
 #include <stdint.h>
@@ -77,7 +78,7 @@ struct dac_msg_s
 {
   uint8_t      am_channel;               /* The 8-bit DAC Channel */
   int32_t      am_data;                  /* DAC convert result (4 bytes) */
-};
+} packed_struct;
 
 struct dac_fifo_s
 {