From 251c0f5507ee49c5f257fa70e4c7b5f2f26ed1aa Mon Sep 17 00:00:00 2001
From: jepler <jepler@gmail.com>
Date: Wed, 11 Sep 2019 20:09:38 -0500
Subject: [PATCH] nRF: PWMOut: At deinit, make pin available again

Closes: #2146
---
 ports/nrf/common-hal/pulseio/PWMOut.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ports/nrf/common-hal/pulseio/PWMOut.c b/ports/nrf/common-hal/pulseio/PWMOut.c
index 5233c9adc6..ef6ddc5b93 100644
--- a/ports/nrf/common-hal/pulseio/PWMOut.c
+++ b/ports/nrf/common-hal/pulseio/PWMOut.c
@@ -233,6 +233,9 @@ void common_hal_pulseio_pwmout_deinit(pulseio_pwmout_obj_t* self) {
     // Disconnect pin from channel.
     pwm->PSEL.OUT[self->channel] = 0xFFFFFFFF;
 
+    reset_pin_number(self->pin_number);
+    self->pin_number = NO_PIN;
+
     for(int i=0; i < CHANNELS_PER_PWM; i++) {
         if (self->pwm->PSEL.OUT[i] != 0xFFFFFFFF) {
             // Some channel is still being used, so don't disable.