Fix some warnings
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4318 42af7a65-404d-4744-a932-0658087f49c3
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@ -40,6 +40,7 @@
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#include <nuttx/config.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/analog/adc.h>
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@ -137,7 +138,7 @@ int adc_devinit(void)
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if (adc == NULL)
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{
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adbg("ERROR: Failed to get ADC interface\n");
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return;
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return -ENODEV;
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}
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/* Register the ADC driver at "/dev/adc0" */
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@ -161,4 +162,4 @@ int adc_devinit(void)
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}
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#endif /* CONFIG_STM32_ADC1 || CONFIG_STM32_ADC2 || CONFIG_STM32_ADC3 */
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#endif /* CONFIG_ADC */
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#endif /* CONFIG_ADC */
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