[Driver][MISC][ADC] Fixup ADC

GuEe-GUI · GuEe-GUI · commit 5507cb9bf24d · 2025-12-08T11:35:35.000+08:00
1. Fixup error no.
2. Fixup type of control for args.
3. Fixup value no init.

Signed-off-by: GuEe-GUI &lt;2991707448@qq.com&gt;
diff --git a/components/drivers/misc/adc.c b/components/drivers/misc/adc.c
@@ -43,7 +43,7 @@ static rt_ssize_t _adc_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size
 static rt_err_t _adc_control(rt_device_t dev, int cmd, void *args)
 {
     rt_adc_device_t adc = (struct rt_adc_device *)dev;
-    rt_err_t        result = RT_ERROR;
+    rt_err_t        result = -RT_ERROR;
 
     if (cmd == RT_ADC_CMD_ENABLE && adc->ops->enabled)
     {
@@ -167,7 +167,7 @@ rt_int16_t rt_adc_voltage(rt_adc_device_t dev, rt_int8_t channel)
     RT_ASSERT(dev);
 
     rt_uint32_t value;
-    rt_int16_t  vref, voltage;
+    rt_int16_t  vref, voltage = 0;
     rt_uint8_t  resolution;
     rt_err_t    result;
 

Original file line number	Diff line number	Diff line change
`@@ -43,7 +43,7 @@ static rt_ssize_t _adc_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size`
`43`	`43`	`static rt_err_t _adc_control(rt_device_t dev, int cmd, void *args)`
`44`	`44`	`{`
`45`	`45`	`rt_adc_device_t adc = (struct rt_adc_device *)dev;`
`46`		`- rt_err_t result = RT_ERROR;`
	`46`	`+ rt_err_t result = -RT_ERROR;`
`47`	`47`
`48`	`48`	`if (cmd == RT_ADC_CMD_ENABLE && adc->ops->enabled)`
`49`	`49`	`{`
`@@ -167,7 +167,7 @@ rt_int16_t rt_adc_voltage(rt_adc_device_t dev, rt_int8_t channel)`
`167`	`167`	`RT_ASSERT(dev);`
`168`	`168`
`169`	`169`	`rt_uint32_t value;`
`170`		`- rt_int16_t vref, voltage;`
	`170`	`+ rt_int16_t vref, voltage = 0;`
`171`	`171`	`rt_uint8_t resolution;`
`172`	`172`	`rt_err_t result;`
`173`	`173`