From 5052c3335d4a82a304e8f199599eee695d7c4449 Mon Sep 17 00:00:00 2001
From: bjoernQ <bjoern.quentin@mobile-j.de>
Date: Thu, 11 May 2023 11:17:40 +0200
Subject: [PATCH] Enable `change_bus_frequency` for `SpiDma`

---
 esp-hal-common/src/spi.rs | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/esp-hal-common/src/spi.rs b/esp-hal-common/src/spi.rs
index a97b8b306..853e5b208 100644
--- a/esp-hal-common/src/spi.rs
+++ b/esp-hal-common/src/spi.rs
@@ -731,6 +731,7 @@ pub mod dma {
     use core::{marker::PhantomData, mem};
 
     use embedded_dma::{ReadBuffer, WriteBuffer};
+    use fugit::HertzU32;
 
     #[cfg(any(esp32, esp32s2, esp32s3))]
     use super::Spi3Instance;
@@ -750,6 +751,7 @@ pub mod dma {
     #[cfg(any(esp32, esp32s2, esp32s3))]
     use crate::dma::Spi3Peripheral;
     use crate::{
+        clock::Clocks,
         dma::{Channel, DmaTransfer, DmaTransferRxTx, Rx, Spi2Peripheral, SpiPeripheral, Tx},
         peripheral::PeripheralRef,
     };
@@ -944,6 +946,19 @@ pub mod dma {
         _mode: PhantomData<M>,
     }
 
+    impl<'d, T, TX, RX, P, M> SpiDma<'d, T, TX, RX, P, M>
+    where
+        T: InstanceDma<TX, RX>,
+        TX: Tx,
+        RX: Rx,
+        P: SpiPeripheral,
+        M: DuplexMode,
+    {
+        pub fn change_bus_frequency(&mut self, frequency: HertzU32, clocks: &Clocks) {
+            self.spi.ch_bus_freq(frequency, clocks);
+        }
+    }
+
     impl<'d, T, TX, RX, P, M> SpiDma<'d, T, TX, RX, P, M>
     where
         T: InstanceDma<TX, RX>,