1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Driver for the Conexant CX25821 PCIe bridge
4 *
5 * Copyright (C) 2009 Conexant Systems Inc.
6 * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
7 */
8
9#ifndef _BITFUNCS_H
10#define _BITFUNCS_H
11
12#define SetBit(Bit) (1 << Bit)
13
14static inline u8 getBit(u32 sample, u8 index)
15{
16 return (u8) ((sample >> index) & 1);
17}
18
19static inline u32 clearBitAtPos(u32 value, u8 bit)
20{
21 return value & ~(1 << bit);
22}
23
24static inline u32 setBitAtPos(u32 sample, u8 bit)
25{
26 sample |= (1 << bit);
27 return sample;
28
29}
30
31#endif
32

source code of linux/drivers/media/pci/cx25821/cx25821-biffuncs.h