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-rw-r--r--sound/soc/codecs/wm8994.c27
-rw-r--r--sound/soc/codecs/wm8994.h2
2 files changed, 22 insertions, 7 deletions
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 98e462cbec73..54512880e191 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3059,22 +3059,20 @@ int wm8994_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
}
EXPORT_SYMBOL_GPL(wm8994_mic_detect);
-static irqreturn_t wm8994_mic_irq(int irq, void *data)
+static void wm8994_mic_work(struct work_struct *work)
{
- struct wm8994_priv *priv = data;
+ struct wm8994_priv *priv = container_of(work,
+ struct wm8994_priv,
+ mic_work.work);
struct snd_soc_codec *codec = priv->codec;
int reg;
int report;
-#ifndef CONFIG_SND_SOC_WM8994_MODULE
- trace_snd_soc_jack_irq(dev_name(codec->dev));
-#endif
-
reg = snd_soc_read(codec, WM8994_INTERRUPT_RAW_STATUS_2);
if (reg < 0) {
dev_err(codec->dev, "Failed to read microphone status: %d\n",
reg);
- return IRQ_HANDLED;
+ return;
}
dev_dbg(codec->dev, "Microphone status: %x\n", reg);
@@ -3116,6 +3114,20 @@ static irqreturn_t wm8994_mic_irq(int irq, void *data)
snd_soc_jack_report(priv->micdet[1].jack, report,
SND_JACK_HEADSET | SND_JACK_BTN_0);
+}
+
+static irqreturn_t wm8994_mic_irq(int irq, void *data)
+{
+ struct wm8994_priv *priv = data;
+ struct snd_soc_codec *codec = priv->codec;
+
+#ifndef CONFIG_SND_SOC_WM8994_MODULE
+ trace_snd_soc_jack_irq(dev_name(codec->dev));
+#endif
+
+ pm_wakeup_event(codec->dev, 300);
+
+ schedule_delayed_work(&priv->mic_work, msecs_to_jiffies(250));
return IRQ_HANDLED;
}
@@ -3488,6 +3500,7 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
wm8994->codec = codec;
mutex_init(&wm8994->accdet_lock);
+ INIT_DELAYED_WORK(&wm8994->mic_work, wm8994_mic_work);
for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
init_completion(&wm8994->fll_locked[i]);
diff --git a/sound/soc/codecs/wm8994.h b/sound/soc/codecs/wm8994.h
index 91650bba205e..d77e06f0a675 100644
--- a/sound/soc/codecs/wm8994.h
+++ b/sound/soc/codecs/wm8994.h
@@ -12,6 +12,7 @@
#include <sound/soc.h>
#include <linux/firmware.h>
#include <linux/completion.h>
+#include <linux/workqueue.h>
#include "wm_hubs.h"
@@ -127,6 +128,7 @@ struct wm8994_priv {
struct mutex accdet_lock;
struct wm8994_micdet micdet[2];
+ struct delayed_work mic_work;
bool mic_detecting;
bool jack_mic;
int btn_mask;