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-rw-r--r--host/lib/usrp/common/max287x.hpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/host/lib/usrp/common/max287x.hpp b/host/lib/usrp/common/max287x.hpp
index 2e87dc6ff..839ed77bc 100644
--- a/host/lib/usrp/common/max287x.hpp
+++ b/host/lib/usrp/common/max287x.hpp
@@ -900,6 +900,12 @@ void max287x<max287x_regs_t>::commit()
} else {
try {
changed_regs = _regs.template get_changed_addrs<uint32_t> ();
+ // register 0 must be written to apply double buffered fields
+ if (changed_regs.size() > 0)
+ {
+ changed_regs.insert(0);
+ }
+
for (int addr = 5; addr >= 0; addr--)
{
if (changed_regs.find(uint32_t(addr)) != changed_regs.end())