clean the SAADC's register while dropping

1 files changed, 4 insertions, 0 deletions

diff --git a/embassy-nrf/src/saadc.rs b/embassy-nrf/src/saadc.rs
index 70bda9f70..00e2b7402 100644
--- a/embassy-nrf/src/saadc.rs
+++ b/embassy-nrf/src/saadc.rs
@@ -465,6 +465,10 @@ impl<'d, const N: usize> Drop for Saadc<'d, N> {
     fn drop(&mut self) {
         let r = Self::regs();
         r.enable().write(|w| w.set_enable(false));
+        for i in 0..N {
+            r.ch(i).pselp().write(|w| w.set_pselp(InputChannel::NC));
+            r.ch(i).pseln().write(|w| w.set_pseln(InputChannel::NC));
+        }
     }
 }