From cf09ee2a4b093c56b64260c3db3f5e07143aa888 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Tue, 9 Dec 2014 21:44:53 -0800
Subject: [PATCH] ao-bringup: Clear pending output before setting frequency.

Maybe this will unwedge things

Signed-off-by: Keith Packard <keithp@keithp.com>
---
 ao-bringup/cal-freq | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ao-bringup/cal-freq b/ao-bringup/cal-freq
index 54f7a905..5d876e21 100755
--- a/ao-bringup/cal-freq
+++ b/ao-bringup/cal-freq
@@ -37,6 +37,8 @@ while true; do
 
 		echo "Programming flash with cal value " $CAL_VALUE
 
+		dd if=$dev iflag=nonblock
+
 		cat << EOF > $dev
 c f $CAL_VALUE
 c w
-- 
2.30.2