adc: fix legacy oneshot driver clock gating issue on c3

espressif · Mar 7, 2023 · f0af48b · f0af48b
1 parent 60b90c5
commit f0af48b
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/components/driver/adc.c b/components/driver/adc.c
@@ -697,6 +697,7 @@ int adc1_get_raw(adc1_channel_t channel)
     adc_power_acquire();
 
     SAR_ADC1_LOCK_ACQUIRE();
+    adc_ll_digi_clk_sel(0);
 
     adc_atten_t atten = s_atten1_single[channel];
     uint32_t cal_val = adc_get_calibration_offset(ADC_NUM_1, channel, atten);
@@ -742,6 +743,7 @@ esp_err_t adc2_get_raw(adc2_channel_t channel, adc_bits_width_t width_bit, int *
     adc_power_acquire();
 
     SAR_ADC2_LOCK_ACQUIRE();
+    adc_ll_digi_clk_sel(0);
 
     adc_arbiter_t config = ADC_ARBITER_CONFIG_DEFAULT();
     adc_hal_arbiter_config(&config);