From b25ab1fc88c27401f7e137cb1ef3fc2ac318c0cb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Robert=20J=C3=B6rdens?= <rj@quartiq.de>
Date: Wed, 9 Jan 2019 16:07:31 +0000
Subject: [PATCH] ad9910: add more slack in tune_sync_delay
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close #1235

Signed-off-by: Robert Jördens <rj@quartiq.de>
---
 artiq/coredevice/ad9910.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/artiq/coredevice/ad9910.py b/artiq/coredevice/ad9910.py
index 2021b2830..732aa54f4 100644
--- a/artiq/coredevice/ad9910.py
+++ b/artiq/coredevice/ad9910.py
@@ -631,7 +631,7 @@ class AD9910:
                 # integrate SMP_ERR statistics for a few hundred cycles
                 delay(100*us)
                 err = urukul_sta_smp_err(self.cpld.sta_read())
-                delay(40*us)  # slack
+                delay(100*us)  # slack
                 if not (err >> (self.chip_select - 4)) & 1:
                     next_seed = in_delay
                     break