From baa0bd0a9442362eb944bbb93c5c0d0366c862ec Mon Sep 17 00:00:00 2001
From: probablyanasian <43358667+probablyanasian@users.noreply.github.com>
Date: Thu, 23 Jul 2026 11:49:32 -0700
Subject: [PATCH 1/3] disable dac before stop mode

---
 board/sys/power_saving.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/board/sys/power_saving.h b/board/sys/power_saving.h
index 3bcafa403cd..fa5a928c391 100644
--- a/board/sys/power_saving.h
+++ b/board/sys/power_saving.h
@@ -75,6 +75,9 @@ static void enter_stop_mode(void) {
   ADC2->CR &= ~(ADC_CR_ADEN);
   ADC2->CR |= ADC_CR_DEEPPWD;
 
+  // disable DACs
+  register_clear_bits(&DAC1->CR, DAC_CR_EN1 | DAC_CR_EN2);
+
   // disable HSI48: 48 MHz USB clock
   register_clear_bits(&(RCC->CR), RCC_CR_HSI48ON);
   // disable SRAM retention in stop mode

From df58bacfdfa04f5f9998845a3d0e9bd64d002db0 Mon Sep 17 00:00:00 2001
From: probablyanasian <43358667+probablyanasian@users.noreply.github.com>
Date: Thu, 23 Jul 2026 12:05:23 -0700
Subject: [PATCH 2/3] retry test


From 3d6b3eb5d2f0572009ddb6d406f0ad77f80770b4 Mon Sep 17 00:00:00 2001
From: probablyanasian <43358667+probablyanasian@users.noreply.github.com>
Date: Thu, 23 Jul 2026 14:13:32 -0700
Subject: [PATCH 3/3] use sound.h function

---
 board/sys/power_saving.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/board/sys/power_saving.h b/board/sys/power_saving.h
index fa5a928c391..709b82453f5 100644
--- a/board/sys/power_saving.h
+++ b/board/sys/power_saving.h
@@ -76,7 +76,7 @@ static void enter_stop_mode(void) {
   ADC2->CR |= ADC_CR_DEEPPWD;
 
   // disable DACs
-  register_clear_bits(&DAC1->CR, DAC_CR_EN1 | DAC_CR_EN2);
+  sound_stop_dac();
 
   // disable HSI48: 48 MHz USB clock
   register_clear_bits(&(RCC->CR), RCC_CR_HSI48ON);