X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Ftoolbars%2Fmainbar.cpp;h=3ee62f4c3dabbd519ced10b1f26c4f410bb2742e;hb=c31d9f6a38c451faf0b86b5299dde366f968b058;hp=b9eda07787c912ccdef99e7fa55d38fc3aa1d0a2;hpb=c78081004d8d7c6440358ccbf9278826a0fdb568;p=pulseview.git

diff --git a/pv/toolbars/mainbar.cpp b/pv/toolbars/mainbar.cpp
index b9eda07..3ee62f4 100644
--- a/pv/toolbars/mainbar.cpp
+++ b/pv/toolbars/mainbar.cpp
@@ -302,6 +302,7 @@ void MainBar::update_sample_rate_selector()
 
 	const shared_ptr<sigrok::Device> sr_dev = device->device();
 
+	sample_rate_.allow_user_entered_values(false);
 	if (sr_dev->config_check(ConfigKey::EXTERNAL_CLOCK, Capability::GET)) {
 		try {
 			auto gvar = sr_dev->config_get(ConfigKey::EXTERNAL_CLOCK);
@@ -508,8 +509,8 @@ void MainBar::commit_sample_rate()
 	const shared_ptr<sigrok::Device> sr_dev = device->device();
 
 	sample_rate = sample_rate_.value();
-	if (sample_rate == 0)
-		return;
+	if (sample_rate < 0)
+		sample_rate_.set_value(0);
 
 	try {
 		sr_dev->config_set(ConfigKey::SAMPLERATE,