From aa5f667ad8fce84dd7ccf9dba8c01214f77bbd40 Mon Sep 17 00:00:00 2001
From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Fri, 19 Nov 2021 12:47:52 +0800
Subject: [PATCH] ad9912: increase slack (no kernel invariants in NAC3 yet?)

---
 artiq/coredevice/ad9912.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/artiq/coredevice/ad9912.py b/artiq/coredevice/ad9912.py
index 5c294d1de..2be434d45 100644
--- a/artiq/coredevice/ad9912.py
+++ b/artiq/coredevice/ad9912.py
@@ -108,7 +108,7 @@ class AD9912:
         if (prodid != 0x1982) and (prodid != 0x1902):
             # NAC3TODO raise ValueError("Urukul AD9912 product id mismatch")
             pass
-        self.core.delay(50. * us)
+        self.core.delay(300. * us)  # NAC3TODO try to restore 50us after kernel invariants are implemented
         # HSTL power down, CMOS power down
         self.write(AD9912_PWRCNTRL1, 0x80, 1)
         self.cpld.io_update.pulse(2. * us)