[PATCH 2/2] ASoC: trace: add event to snd_soc_dapm trace events

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Add the event value to the snd_soc_dapm_start and snd_soc_dapm_done trace
events to make them more informative.

Trace before:

           aplay-229   [000]   250.140309: snd_soc_dapm_start:   card=vscn-2046
           aplay-229   [000]   250.167531: snd_soc_dapm_done:    card=vscn-2046
           aplay-229   [000]   251.169588: snd_soc_dapm_start:   card=vscn-2046
           aplay-229   [000]   251.195245: snd_soc_dapm_done:    card=vscn-2046

Trace after:

           aplay-214   [000]   693.290612: snd_soc_dapm_start:   card=vscn-2046 event=1
           aplay-214   [000]   693.315508: snd_soc_dapm_done:    card=vscn-2046 event=1
           aplay-214   [000]   694.537349: snd_soc_dapm_start:   card=vscn-2046 event=2
           aplay-214   [000]   694.563241: snd_soc_dapm_done:    card=vscn-2046 event=2

Signed-off-by: Luca Ceresoli <luca.ceresoli@xxxxxxxxxxx>
---
 include/trace/events/asoc.h | 16 +++++++++-------
 sound/soc/soc-dapm.c        |  4 ++--
 2 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/include/trace/events/asoc.h b/include/trace/events/asoc.h
index b7ac7f100bb4..4eed9028bb11 100644
--- a/include/trace/events/asoc.h
+++ b/include/trace/events/asoc.h
@@ -57,34 +57,36 @@ DEFINE_EVENT(snd_soc_dapm, snd_soc_bias_level_done,
 
 DECLARE_EVENT_CLASS(snd_soc_dapm_basic,
 
-	TP_PROTO(struct snd_soc_card *card),
+	TP_PROTO(struct snd_soc_card *card, int event),
 
-	TP_ARGS(card),
+	TP_ARGS(card, event),
 
 	TP_STRUCT__entry(
 		__string(	name,	card->name	)
+		__field(	int,	event		)
 	),
 
 	TP_fast_assign(
 		__assign_str(name, card->name);
+		__entry->event = event;
 	),
 
-	TP_printk("card=%s", __get_str(name))
+	TP_printk("card=%s event=%d", __get_str(name), (int)__entry->event)
 );
 
 DEFINE_EVENT(snd_soc_dapm_basic, snd_soc_dapm_start,
 
-	TP_PROTO(struct snd_soc_card *card),
+	TP_PROTO(struct snd_soc_card *card, int event),
 
-	TP_ARGS(card)
+	TP_ARGS(card, event)
 
 );
 
 DEFINE_EVENT(snd_soc_dapm_basic, snd_soc_dapm_done,
 
-	TP_PROTO(struct snd_soc_card *card),
+	TP_PROTO(struct snd_soc_card *card, int event),
 
-	TP_ARGS(card)
+	TP_ARGS(card, event)
 
 );
 
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 7e8a2a5312f5..ad8ba8fbbaee 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1963,7 +1963,7 @@ static int dapm_power_widgets(struct snd_soc_card *card, int event)
 
 	snd_soc_dapm_mutex_assert_held(card);
 
-	trace_snd_soc_dapm_start(card);
+	trace_snd_soc_dapm_start(card, event);
 
 	for_each_card_dapms(card, d) {
 		if (dapm_idle_bias_off(d))
@@ -2088,7 +2088,7 @@ static int dapm_power_widgets(struct snd_soc_card *card, int event)
 		"DAPM sequencing finished, waiting %dms\n", card->pop_time);
 	pop_wait(card->pop_time);
 
-	trace_snd_soc_dapm_done(card);
+	trace_snd_soc_dapm_done(card, event);
 
 	return 0;
 }

-- 
2.34.1





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