From 05ce95645638c962a0d82fb8152d2819224a23af Mon Sep 17 00:00:00 2001
From: Timofey Titovets <nefelim4ag@gmail.com>
Date: Wed, 31 Dec 2025 12:39:02 +0100
Subject: [PATCH] stm32: fix static clock output for faster chips

If pcycle_time is scaled, the value should be scaled as well

Signed-off-by: Timofey Titovets <nefelim4ag@gmail.com>
---
 src/stm32/hard_pwm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/stm32/hard_pwm.c b/src/stm32/hard_pwm.c
index f4c8cdfde..d6ea6dfca 100644
--- a/src/stm32/hard_pwm.c
+++ b/src/stm32/hard_pwm.c
@@ -323,9 +323,11 @@ gpio_timer_setup(uint8_t pin, uint32_t cycle_time, uint32_t val,
     // CLK output
     if (is_clock_out) {
         prescaler = 1;
+        val = val / pclock_div;
         while (pcycle_time > UINT16_MAX) {
             prescaler = prescaler * 2;
             pcycle_time /= 2;
+            val /= 2;
         }
         max_pwm = pcycle_time;
     }