codal_port/microbit_pinaudio: Deselect audio pin when freeing it.

dpgeorge · dpgeorge · commit 2f70b757f3bd · 2020-11-21T16:41:47.000+11:00
diff --git a/src/codal_port/microbit_pinaudio.c b/src/codal_port/microbit_pinaudio.c
@@ -121,5 +121,6 @@ void microbit_pin_audio_free(void) {
     if (audio_routed_pin != NULL) {
         microbit_obj_pin_free(audio_routed_pin);
         audio_routed_pin = NULL;
+        microbit_hal_audio_select_pin(-1);
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -121,5 +121,6 @@ void microbit_pin_audio_free(void) {`
`121`	`121`	`if (audio_routed_pin != NULL) {`
`122`	`122`	`microbit_obj_pin_free(audio_routed_pin);`
`123`	`123`	`audio_routed_pin = NULL;`
	`124`	`+ microbit_hal_audio_select_pin(-1);`
`124`	`125`	`}`
`125`	`126`	`}`