diff --git a/components/driver/ledc.c b/components/driver/ledc.c
index f82efaf5e3..b0e9a3939d 100644
--- a/components/driver/ledc.c
+++ b/components/driver/ledc.c
@@ -314,7 +314,7 @@ esp_err_t ledc_timer_config(const ledc_timer_config_t* timer_conf)
         ESP_LOGE(LEDC_TAG, "invalid timer #%u", timer_num);
         return ESP_ERR_INVALID_ARG;
     }
-    return ledc_set_timer_div(timer_num, timer_num, timer_conf->clk_cfg, freq_hz, duty_resolution);
+    return ledc_set_timer_div(speed_mode, timer_num, timer_conf->clk_cfg, freq_hz, duty_resolution);
 }
 
 esp_err_t ledc_set_pin(int gpio_num, ledc_mode_t speed_mode, ledc_channel_t ledc_channel)
diff --git a/components/driver/test/test_pcnt.c b/components/driver/test/test_pcnt.c
index af4e58fa67..90dc2c4ece 100644
--- a/components/driver/test/test_pcnt.c
+++ b/components/driver/test/test_pcnt.c
@@ -57,7 +57,7 @@ static void produce_pulse(void)
         .freq_hz = 1,
         .clk_cfg = LEDC_AUTO_CLK,
     };
-    ledc_timer_config(&ledc_timer);
+    ESP_ERROR_CHECK(ledc_timer_config(&ledc_timer));
 
     ledc_channel_config_t ledc_channel = {
         .speed_mode = LEDC_HIGH_SPEED_MODE,
@@ -68,7 +68,7 @@ static void produce_pulse(void)
         .duty = 100,
         .hpoint = 0,
     };
-    ledc_channel_config(&ledc_channel);
+    ESP_ERROR_CHECK(ledc_channel_config(&ledc_channel));
 }
 
 static void IRAM_ATTR pcnt_intr_handler(void *arg)