From b2dcc5bb6c50f9b6eb3c294c98df8a5880167fd8 Mon Sep 17 00:00:00 2001
From: Dan Halbert <halbert@halwitz.org>
Date: Fri, 29 Sep 2017 10:38:11 -0400
Subject: [PATCH] reset pins on PDMIn deinit(). Fixes #275.

---
 atmel-samd/common-hal/audiobusio/PDMIn.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/atmel-samd/common-hal/audiobusio/PDMIn.c b/atmel-samd/common-hal/audiobusio/PDMIn.c
index 555601c9dd..11411ee3d4 100644
--- a/atmel-samd/common-hal/audiobusio/PDMIn.c
+++ b/atmel-samd/common-hal/audiobusio/PDMIn.c
@@ -148,6 +148,8 @@ void common_hal_audiobusio_pdmin_construct(audiobusio_pdmin_obj_t* self,
 void common_hal_audiobusio_pdmin_deinit(audiobusio_pdmin_obj_t* self) {
     i2s_disable(&self->i2s_instance);
     i2s_reset(&self->i2s_instance);
+    reset_pin(self->clock_pin->pin);
+    reset_pin(self->data_pin->pin);
 }
 
 uint8_t common_hal_audiobusio_pdmin_get_bit_depth(audiobusio_pdmin_obj_t* self) {