diff options
Diffstat (limited to 'drivers/media/pci/cx25821/cx25821-biffuncs.h')
-rw-r--r-- | drivers/media/pci/cx25821/cx25821-biffuncs.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/media/pci/cx25821/cx25821-biffuncs.h b/drivers/media/pci/cx25821/cx25821-biffuncs.h new file mode 100644 index 0000000000..6c1aa132e2 --- /dev/null +++ b/drivers/media/pci/cx25821/cx25821-biffuncs.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Driver for the Conexant CX25821 PCIe bridge + * + * Copyright (C) 2009 Conexant Systems Inc. + * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> + */ + +#ifndef _BITFUNCS_H +#define _BITFUNCS_H + +#define SetBit(Bit) (1 << Bit) + +static inline u8 getBit(u32 sample, u8 index) +{ + return (u8) ((sample >> index) & 1); +} + +static inline u32 clearBitAtPos(u32 value, u8 bit) +{ + return value & ~(1 << bit); +} + +static inline u32 setBitAtPos(u32 sample, u8 bit) +{ + sample |= (1 << bit); + return sample; + +} + +#endif |