pci: Add IDs for Intel high-definition audio
[platform/kernel/u-boot.git] / include / tables_csum.h
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
4  */
5
6 #ifndef _TABLES_CSUM_H_
7 #define _TABLES_CSUM_H_
8
9 static inline u8 table_compute_checksum(void *v, int len)
10 {
11         u8 *bytes = v;
12         u8 checksum = 0;
13         int i;
14
15         for (i = 0; i < len; i++)
16                 checksum -= bytes[i];
17
18         return checksum;
19 }
20
21 #endif