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/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* ADC interface for Chrome EC */
#ifndef __CROS_EC_ADC_H
#define __CROS_EC_ADC_H
#include "common.h"
/**
* Read an ADC channel.
*
* @param ch Channel to read
*
* @return The scaled ADC value, or ADC_READ_ERROR if error.
*/
int adc_read_channel(enum adc_channel ch);
/**
* Read all ADC channels.
*
* @param data Destination array for channel data; must be
* ADC_CH_COUNT elements long.
*
* @return EC_SUCCESS, or non-zero on error.
*/
int adc_read_all_channels(int *data);
#endif /* __CROS_EC_ADC_H */
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