From c3d03f02fb6408ca7cbe90bcb6074ef27671fc3a Mon Sep 17 00:00:00 2001
From: Eren Terzioglu <eren.terzioglu@espressif.com>
Date: Mon, 9 Dec 2024 12:20:42 +0100
Subject: [PATCH] esp32[c3|c6|h2]: Fix ledc clk issue

---
 arch/risc-v/src/common/espressif/esp_ledc.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/risc-v/src/common/espressif/esp_ledc.c b/arch/risc-v/src/common/espressif/esp_ledc.c
index cbc791b6811..7a310133bcd 100644
--- a/arch/risc-v/src/common/espressif/esp_ledc.c
+++ b/arch/risc-v/src/common/espressif/esp_ledc.c
@@ -824,11 +824,16 @@ static int ledc_set_timer_div(ledc_timer_t timer_num,
               pwmerr("Timer clock conflict. Already is %d but attempt to %d",
                      p_ledc_obj->glb_clk,
                      glb_clk);
-              return -EINVAL;
             }
         }
     }
 
+  if (timer_num == LEDC_TIMER_MAX - 1 &&
+      p_ledc_obj->glb_clk_is_acquired[timer_num - 1])
+    {
+      return -EINVAL;
+    }
+
   p_ledc_obj->glb_clk_is_acquired[timer_num] = true;
   if (p_ledc_obj->glb_clk != glb_clk)
     {