diff options
| -rw-r--r-- | include/linux/mfd/wm8994/pdata.h | 3 | ||||
| -rw-r--r-- | sound/soc/codecs/wm8994.c | 24 |
2 files changed, 27 insertions, 0 deletions
diff --git a/include/linux/mfd/wm8994/pdata.h b/include/linux/mfd/wm8994/pdata.h index 3fb1f407d5e..dc3e0501168 100644 --- a/include/linux/mfd/wm8994/pdata.h +++ b/include/linux/mfd/wm8994/pdata.h @@ -185,6 +185,9 @@ struct wm8994_pdata { unsigned int jd_scthr:2; unsigned int jd_thr:2; + /* Configure WM1811 jack detection for use with external capacitor */ + unsigned int jd_ext_cap:1; + /* WM8958 microphone bias configuration */ int micbias[2]; diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c index 77085c1047d..0b1c271468a 100644 --- a/sound/soc/codecs/wm8994.c +++ b/sound/soc/codecs/wm8994.c @@ -3172,6 +3172,14 @@ static void wm8958_default_micdet(u16 status, void *data) wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_JACK); + + if (wm8994->pdata->jd_ext_cap) { + mutex_lock(&codec->mutex); + snd_soc_dapm_disable_pin(&codec->dapm, + "MICBIAS2"); + snd_soc_dapm_sync(&codec->dapm); + mutex_unlock(&codec->mutex); + } } } @@ -3227,6 +3235,15 @@ static irqreturn_t wm1811_jackdet_irq(int irq, void *data) snd_soc_update_bits(codec, WM8958_MICBIAS2, WM8958_MICB2_DISCH, 0); + /* If required for an external cap force MICBIAS on */ + if (wm8994->pdata->jd_ext_cap) { + mutex_lock(&codec->mutex); + snd_soc_dapm_force_enable_pin(&codec->dapm, + "MICBIAS2"); + snd_soc_dapm_sync(&codec->dapm); + mutex_unlock(&codec->mutex); + } + /* * Start off measument of microphone impedence to find * out what's actually there. @@ -3241,6 +3258,13 @@ static irqreturn_t wm1811_jackdet_irq(int irq, void *data) snd_soc_update_bits(codec, WM8958_MICBIAS2, WM8958_MICB2_DISCH, WM8958_MICB2_DISCH); + if (wm8994->pdata->jd_ext_cap) { + mutex_lock(&codec->mutex); + snd_soc_dapm_disable_pin(&codec->dapm, "MICBIAS2"); + snd_soc_dapm_sync(&codec->dapm); + mutex_unlock(&codec->mutex); + } + snd_soc_jack_report(wm8994->micdet[0].jack, 0, SND_JACK_MECHANICAL | SND_JACK_HEADSET | wm8994->btn_mask); |