drivers/media/pci/cx25821/cx25821-biffuncs.h

   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
  14 static inline u8 getBit(u32 sample, u8 index)
  15 {
  16         return (u8) ((sample >> index) & 1);
  17 }
  18
  19 static inline u32 clearBitAtPos(u32 value, u8 bit)
  20 {
  21         return value & ~(1 << bit);
  22 }
  23
  24 static inline u32 setBitAtPos(u32 sample, u8 bit)
  25 {
  26         sample |= (1 << bit);
  27         return sample;
  28
  29 }
  30
  31 #endif