Update adc.c

check fun is NULL, error

Update adc.c
check fun is NULL, error
895fb5c1 · KE1VG8CBMISQ6ED\Administrator · 506ccc57 · 895fb5c1
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Showing with 1 addition and 1 deletion

components/drivers/misc/adc.c components/drivers/misc/adc.c +1 -1

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--- a/components/drivers/misc/adc.c
+++ b/components/drivers/misc/adc.c
@@ -46,7 +46,7 @@ static rt_err_t _adc_control(rt_device_t dev, int cmd, void *args)
    rt_err_t result = RT_EOK;
    rt_adc_device_t adc = (struct rt_adc_device *)dev;

-    if (adc->ops->enabled != RT_NULL)
+    if (adc->ops->enabled == RT_NULL)
    {
        return -RT_ENOSYS;
    }