From 7ab43c0fbd55d7972f66f1716dba39a01b41ffcf Mon Sep 17 00:00:00 2001
From: gaoxu <gaoxu@espressif.com>
Date: Fri, 8 Dec 2023 15:10:41 +0800
Subject: [PATCH] fix(adc): fix adc continuous get less results beacuse do not
 reset apb clk(legacy)

---
 components/driver/deprecated/adc_dma_legacy.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/components/driver/deprecated/adc_dma_legacy.c b/components/driver/deprecated/adc_dma_legacy.c
index 170a0b85ad..20403e2898 100644
--- a/components/driver/deprecated/adc_dma_legacy.c
+++ b/components/driver/deprecated/adc_dma_legacy.c
@@ -396,6 +396,8 @@ esp_err_t adc_digi_start(void)
         ESP_LOGE(ADC_TAG, "The driver is already started");
         return ESP_ERR_INVALID_STATE;
     }
+    //reset ADC digital part to reset ADC sampling EOF counter
+    periph_module_reset(PERIPH_SARADC_MODULE);
     sar_periph_ctrl_adc_continuous_power_acquire();
     //reset flags
     s_adc_digi_ctx->ringbuf_overflow_flag = 0;