views: Increase precision on analog views

Closes #1335.

diff --git a/pv/views/trace/analogsignal.cpp b/pv/views/trace/analogsignal.cpp
index cd680085312b07d5249fecca2f51b0c32cdb39de..d9b72addb6a512fea60ed9311b17babffecb6c6a 100644 (file)
--- a/pv/views/trace/analogsignal.cpp
+++ b/pv/views/trace/analogsignal.cpp
@@ -297,7 +297,7 @@ void AnalogSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp)
                // and we have corresponding data available
                if (show_hover_marker_ && !std::isnan(value_at_hover_pos_)) {
                        infotext = QString("[%1] %2 V/div")
-                               .arg(format_value_si(value_at_hover_pos_, SIPrefix::unspecified, 0, "V", false))
+                               .arg(format_value_si(value_at_hover_pos_, SIPrefix::unspecified, 2, "V", false))
                                .arg(resolution_);
                } else
                        infotext = QString("%1 V/div").arg(resolution_);