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Diffstat (limited to 'sound/soc/codecs/wm8994.c')
-rw-r--r--sound/soc/codecs/wm8994.c40
1 files changed, 31 insertions, 9 deletions
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 0805d6ff9ff7..2c2a183da2b6 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3513,6 +3513,31 @@ static void wm8958_button_det(struct snd_soc_codec *codec, u16 status)
wm8994->btn_mask);
}
+static void wm8958_open_circuit_work(struct work_struct *work)
+{
+ struct wm8994_priv *wm8994 = container_of(work,
+ struct wm8994_priv,
+ open_circuit_work.work);
+ struct device *dev = wm8994->wm8994->dev;
+
+ wm1811_micd_stop(wm8994->hubs.codec);
+
+ mutex_lock(&wm8994->accdet_lock);
+
+ dev_dbg(dev, "Reporting open circuit\n");
+
+ wm8994->jack_mic = false;
+ wm8994->mic_detecting = true;
+
+ wm8958_micd_set_rate(wm8994->hubs.codec);
+
+ snd_soc_jack_report(wm8994->micdet[0].jack, 0,
+ wm8994->btn_mask |
+ SND_JACK_HEADSET);
+
+ mutex_unlock(&wm8994->accdet_lock);
+}
+
static void wm8958_mic_id(void *data, u16 status)
{
struct snd_soc_codec *codec = data;
@@ -3522,16 +3547,9 @@ static void wm8958_mic_id(void *data, u16 status)
if (!(status & WM8958_MICD_STS)) {
/* If nothing present then clear our statuses */
dev_dbg(codec->dev, "Detected open circuit\n");
- wm8994->jack_mic = false;
- wm8994->mic_detecting = true;
-
- wm1811_micd_stop(codec);
- wm8958_micd_set_rate(codec);
-
- snd_soc_jack_report(wm8994->micdet[0].jack, 0,
- wm8994->btn_mask |
- SND_JACK_HEADSET);
+ schedule_delayed_work(&wm8994->open_circuit_work,
+ msecs_to_jiffies(2500));
return;
}
@@ -3812,6 +3830,8 @@ static irqreturn_t wm8958_mic_irq(int irq, void *data)
if (!(snd_soc_read(codec, WM8958_MIC_DETECT_1) & WM8958_MICD_ENA))
return IRQ_HANDLED;
+ cancel_delayed_work_sync(&wm8994->open_circuit_work);
+
pm_runtime_get_sync(codec->dev);
/* We may occasionally read a detection without an impedence
@@ -3911,6 +3931,8 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
mutex_init(&wm8994->accdet_lock);
INIT_DELAYED_WORK(&wm8994->jackdet_bootstrap,
wm1811_jackdet_bootstrap);
+ INIT_DELAYED_WORK(&wm8994->open_circuit_work,
+ wm8958_open_circuit_work);
switch (control->type) {
case WM8994: