From 434ff38699eb07704ce019c3928948072ff291ad Mon Sep 17 00:00:00 2001
From: Wilfried Chauveau <wilfried.chauveau@ithinuel.me>
Date: Thu, 21 Dec 2023 17:32:41 +0000
Subject: [PATCH] add missing ValidFunction implementation for DynFunction.

This missing impl effectively prevented anyone from using a
`Pin<_, DynFunction, _>`.
---
 rp2040-hal/src/gpio/func.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/rp2040-hal/src/gpio/func.rs b/rp2040-hal/src/gpio/func.rs
index 6eb32c188..4a774fffc 100644
--- a/rp2040-hal/src/gpio/func.rs
+++ b/rp2040-hal/src/gpio/func.rs
@@ -2,7 +2,7 @@ use core::marker::PhantomData;
 
 use paste::paste;
 
-use super::pin::DynBankId;
+use super::{pin::DynBankId, DynPinId};
 
 pub(crate) mod func_sealed {
     use super::DynFunction;
@@ -173,6 +173,7 @@ impl DynFunction {
         }
     }
 }
+impl<P: super::pin::PinId> ValidFunction<DynPinId> for P {}
 macro_rules! pin_valid_func {
     ($bank:ident as $prefix:ident, [$head:ident $(, $func:ident)*], [$($name:tt),+]) => {
         pin_valid_func!($bank as $prefix, [$($func),*], [$($name),+]);