ASoC: Add another DAPM stat for neighbour checks

The number of times we look at a potentially connected neighbour is just
as important as the number of times we actually recurse into looking at
that neighbour so also collect that statistic.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 84d1d799a0df..6cac04595ccd 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -677,6 +677,8 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget)
 	}
 
 	list_for_each_entry(path, &widget->sinks, list_source) {
+		DAPM_UPDATE_STAT(widget, neighbour_checks);
+
 		if (path->weak)
 			continue;
 
@@ -732,6 +734,8 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget)
 	}
 
 	list_for_each_entry(path, &widget->sources, list_sink) {
+		DAPM_UPDATE_STAT(widget, neighbour_checks);
+
 		if (path->weak)
 			continue;