+ int report;
+
+ dev_dbg(codec->dev, "MICDET %x\n", status);
+
+ /* Either nothing present or just starting detection */
+ if (!(status & WM8958_MICD_STS)) {
+ if (!wm8994->jackdet) {
+ /* If nothing present then clear our statuses */
+ dev_dbg(codec->dev, "Detected open circuit\n");
+ wm8994->jack_mic = false;
+ wm8994->mic_detecting = true;
+
+ wm8958_micd_set_rate(codec);
+
+ snd_soc_jack_report(wm8994->micdet[0].jack, 0,
+ wm8994->btn_mask |
+ SND_JACK_HEADSET);
+ }
+ return;
+ }
+
+ /* If the measurement is showing a high impedence we've got a
+ * microphone.
+ */
+ if (wm8994->mic_detecting && (status & 0x600)) {
+ dev_dbg(codec->dev, "Detected microphone\n");
+
+ wm8994->mic_detecting = false;
+ wm8994->jack_mic = true;
+
+ wm8958_micd_set_rate(codec);
+
+ snd_soc_jack_report(wm8994->micdet[0].jack, SND_JACK_HEADSET,
+ SND_JACK_HEADSET);
+ }
+
+
+ if (wm8994->mic_detecting && status & 0x4) {
+ dev_dbg(codec->dev, "Detected headphone\n");
+ wm8994->mic_detecting = false;
+
+ wm8958_micd_set_rate(codec);
+
+ snd_soc_jack_report(wm8994->micdet[0].jack, SND_JACK_HEADPHONE,
+ SND_JACK_HEADSET);
+
+ /* If we have jackdet that will detect removal */
+ if (wm8994->jackdet) {
+ snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
+ WM8958_MICD_ENA, 0);
+
+ wm1811_jackdet_set_mode(codec,
+ WM1811_JACKDET_MODE_JACK);
+ }
+ }
+
+ /* Report short circuit as a button */
+ if (wm8994->jack_mic) {
+ report = 0;
+ if (status & 0x4)
+ report |= SND_JACK_BTN_0;
+
+ if (status & 0x8)
+ report |= SND_JACK_BTN_1;
+
+ if (status & 0x10)
+ report |= SND_JACK_BTN_2;
+
+ if (status & 0x20)
+ report |= SND_JACK_BTN_3;
+
+ if (status & 0x40)
+ report |= SND_JACK_BTN_4;
+
+ if (status & 0x80)
+ report |= SND_JACK_BTN_5;
+
+ snd_soc_jack_report(wm8994->micdet[0].jack, report,
+ wm8994->btn_mask);
+ }
+}
+
+static irqreturn_t wm1811_jackdet_irq(int irq, void *data)
+{
+ struct wm8994_priv *wm8994 = data;
+ struct snd_soc_codec *codec = wm8994->codec;
+ int reg;
+
+ mutex_lock(&wm8994->accdet_lock);
+
+ reg = snd_soc_read(codec, WM1811_JACKDET_CTRL);
+ if (reg < 0) {
+ dev_err(codec->dev, "Failed to read jack status: %d\n", reg);
+ mutex_unlock(&wm8994->accdet_lock);
+ return IRQ_NONE;
+ }
+
+ dev_dbg(codec->dev, "JACKDET %x\n", reg);