diff --git a/bsp/lpc55sxx/Libraries/drivers/drv_adc.c b/bsp/lpc55sxx/Libraries/drivers/drv_adc.c
index 30dab002fb354d1c0761b0878a44ace14556f302..65e9dda1a79801113fd7ea62d2264b49ee8ffd8c 100644
--- a/bsp/lpc55sxx/Libraries/drivers/drv_adc.c
+++ b/bsp/lpc55sxx/Libraries/drivers/drv_adc.c
@@ -24,12 +24,12 @@
 #include "fsl_lpadc.h"
 #include <rtdevice.h>
 
-static rt_err_t lpc_lpadc_enabled(struct rt_adc_device *device, rt_uint32_t channel, rt_bool_t enabled)
+static rt_err_t lpc_lpadc_enabled(struct rt_adc_device *device, rt_int8_t channel, rt_bool_t enabled)
 {
     return RT_EOK;
 }
 
-static rt_err_t lpc_lpadc_convert(struct rt_adc_device *device, rt_uint32_t channel, rt_uint32_t *value)
+static rt_err_t lpc_lpadc_convert(struct rt_adc_device *device, rt_int8_t channel, rt_uint32_t *value)
 {
     lpadc_conv_trigger_config_t mLpadcTriggerConfigStruct;
     lpadc_conv_command_config_t mLpadcCommandConfigStruct;
diff --git a/bsp/lpc55sxx/lpc55s69_nxp_evk/board/Kconfig b/bsp/lpc55sxx/lpc55s69_nxp_evk/board/Kconfig
index f45ef8479c194810ee671958994ec56c478146f1..c02ced54e39bc1166ab9c3b3d02703c9252296b8 100644
--- a/bsp/lpc55sxx/lpc55s69_nxp_evk/board/Kconfig
+++ b/bsp/lpc55sxx/lpc55s69_nxp_evk/board/Kconfig
@@ -281,6 +281,7 @@ menu "Onboard Peripheral Drivers"
         select BSP_USING_GPIO
         select BSP_USING_ADC
         select BSP_USING_ADC0
+        select BSP_USING_ADC0_CH0
         select BSP_USING_PWM
         select BSP_USING_CTIMER1_MAT0
         select BSP_USING_CTIMER2_MAT0