Linux Audio
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Embedded Linux Audio
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// SPDX-License-Identifier: GPL-2.0-only /* * The NFC Controller Interface is the communication protocol between an * NFC Controller (NFCC) and a Device Host (DH). * * Copyright (C) 2011 Texas Instruments, Inc. * * Written by Ilan Elias <ilane@ti.com> * * Acknowledgements: * This file is based on lib.c, which was written * by Maxim Krasnyansky. */ #include <linux/module.h> #include <linux/kernel.h> #include <linux/types.h> #include <linux/errno.h> #include <net/nfc/nci.h> #include <net/nfc/nci_core.h> /* NCI status codes to Unix errno mapping */ int nci_to_errno(__u8 code) { switch (code) { case NCI_STATUS_OK: return 0; case NCI_STATUS_REJECTED: return -EBUSY; case NCI_STATUS_RF_FRAME_CORRUPTED: return -EBADMSG; case NCI_STATUS_NOT_INITIALIZED: return -EHOSTDOWN; case NCI_STATUS_SYNTAX_ERROR: case NCI_STATUS_SEMANTIC_ERROR: case NCI_STATUS_INVALID_PARAM: case NCI_STATUS_RF_PROTOCOL_ERROR: case NCI_STATUS_NFCEE_PROTOCOL_ERROR: return -EPROTO; case NCI_STATUS_UNKNOWN_GID: case NCI_STATUS_UNKNOWN_OID: return -EBADRQC; case NCI_STATUS_MESSAGE_SIZE_EXCEEDED: return -EMSGSIZE; case NCI_STATUS_DISCOVERY_ALREADY_STARTED: return -EALREADY; case NCI_STATUS_DISCOVERY_TARGET_ACTIVATION_FAILED: case NCI_STATUS_NFCEE_INTERFACE_ACTIVATION_FAILED: return -ECONNREFUSED; case NCI_STATUS_RF_TRANSMISSION_ERROR: case NCI_STATUS_NFCEE_TRANSMISSION_ERROR: return -ECOMM; case NCI_STATUS_RF_TIMEOUT_ERROR: case NCI_STATUS_NFCEE_TIMEOUT_ERROR: return -ETIMEDOUT; case NCI_STATUS_FAILED: default: return -ENOSYS; } } EXPORT_SYMBOL(nci_to_errno);