From 7baa7e2490e1c292a84406c90089511c96ce3114 Mon Sep 17 00:00:00 2001
From: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Date: Fri, 13 May 2016 16:45:19 +0100
Subject: ASoC: arizona: Add event notification on voice trigger events

Inform the notifier chain if the DSP recognises a voice trigger.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/arizona.h b/sound/soc/codecs/arizona.h
index 245d13c..18d347f 100644
--- a/sound/soc/codecs/arizona.h
+++ b/sound/soc/codecs/arizona.h
@@ -63,6 +63,9 @@
 #define ARIZONA_DVFS_SR1_RQ	0x001
 #define ARIZONA_DVFS_ADSP1_RQ	0x100
 
+/* Notifier events */
+#define ARIZONA_NOTIFY_VOICE_TRIGGER   0x1
+
 struct arizona;
 struct wm_adsp;
 
diff --git a/sound/soc/codecs/cs47l24.c b/sound/soc/codecs/cs47l24.c
index fa9a6a5..7e3d138 100644
--- a/sound/soc/codecs/cs47l24.c
+++ b/sound/soc/codecs/cs47l24.c
@@ -1074,6 +1074,10 @@ static irqreturn_t cs47l24_adsp2_irq(int irq, void *data)
 		ret = wm_adsp_compr_handle_irq(&priv->core.adsp[i]);
 		if (ret != -ENODEV)
 			serviced++;
+		if (ret == WM_ADSP_COMPR_VOICE_TRIGGER)
+			arizona_call_notifiers(arizona,
+					       ARIZONA_NOTIFY_VOICE_TRIGGER,
+					       (void *)i);
 	}
 
 	if (!serviced) {
diff --git a/sound/soc/codecs/wm5110.c b/sound/soc/codecs/wm5110.c
index 338a3b5..dbc9b4d 100644
--- a/sound/soc/codecs/wm5110.c
+++ b/sound/soc/codecs/wm5110.c
@@ -2229,6 +2229,10 @@ static irqreturn_t wm5110_adsp2_irq(int irq, void *data)
 		ret = wm_adsp_compr_handle_irq(&priv->core.adsp[i]);
 		if (ret != -ENODEV)
 			serviced++;
+		if (ret == WM_ADSP_COMPR_VOICE_TRIGGER)
+			arizona_call_notifiers(arizona,
+					       ARIZONA_NOTIFY_VOICE_TRIGGER,
+					       (void *)i);
 	}
 
 	if (!serviced) {
-- 
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