ASoC: wm8994: Allow a delay between jack insertion and microphone detect

This can be used to provide some additional settling time to ensure that
we don't start microphone detection while the microphone pin is connected
to one of the headphone pins.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/mfd/wm8994/pdata.h b/include/linux/mfd/wm8994/pdata.h
index fc87be4fdc25..8e21a094836d 100644
--- a/include/linux/mfd/wm8994/pdata.h
+++ b/include/linux/mfd/wm8994/pdata.h
@@ -176,6 +176,11 @@ struct wm8994_pdata {
         unsigned int lineout1fb:1;
         unsigned int lineout2fb:1;
 
+        /* Delay between detecting a jack and starting microphone
+         * detect (specified in ms)
+         */
+        int micdet_delay;
+
         /* IRQ for microphone detection if brought out directly as a
          * signal.
          */