X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Ftoolbars%2Fsamplingbar.cpp;h=be29e74bb534643183fd739e5d1785f63f974e22;hb=3668e2fe35956801bc3f89de2dabcddf98e19179;hp=78f6e1cef53a7929bd87b86914a5404ca53eabef;hpb=a5ea63c219065d019195171f3c7694ee0123d5ed;p=pulseview.git

diff --git a/pv/toolbars/samplingbar.cpp b/pv/toolbars/samplingbar.cpp
index 78f6e1ce..be29e74b 100644
--- a/pv/toolbars/samplingbar.cpp
+++ b/pv/toolbars/samplingbar.cpp
@@ -316,7 +316,8 @@ void SamplingBar::commit_sample_count()
 	// Set the sample count
 	assert(!_updating_sample_count);
 	_updating_sample_count = true;
-	if (!dev_inst->set_config(NULL, SR_CONF_LIMIT_SAMPLES,
+	if (_sample_count_supported &&
+		!dev_inst->set_config(NULL, SR_CONF_LIMIT_SAMPLES,
 		g_variant_new_uint64(sample_count))) {
 		qDebug() << "Failed to configure sample count.";
 		return;