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/* Copyright 2017 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.
*/
/* OTP memory module for Chrome EC */
#ifndef __CROS_EC_OTP_H
#define __CROS_EC_OTP_H
/*
* OTP: One Time Programable memory is used for storing persistent data.
*/
/**
* Set the serial number in OTP memory.
*
* @param serialno ascii serial number string.
*
* @return success status.
*/
int otp_write_serial(const char *serialno);
/**
* Get the serial number from flash.
*
* @return char * ascii serial number string.
* NULL if error.
*/
const char *otp_read_serial(void);
#endif /* __CROS_EC_OTP_H */
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