Files
cubelinux-kernel/drivers/media/dvb-frontends/cxd2880/cxd2880_common.c
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

22 lines
493 B
C

// SPDX-License-Identifier: GPL-2.0
/*
* cxd2880_common.c
* Sony CXD2880 DVB-T2/T tuner + demodulator driver
* common functions
*
* Copyright (C) 2016, 2017, 2018 Sony Semiconductor Solutions Corporation
*/
#include "cxd2880_common.h"
int cxd2880_convert2s_complement(u32 value, u32 bitlen)
{
if (!bitlen || bitlen >= 32)
return (int)value;
if (value & (u32)(1 << (bitlen - 1)))
return (int)(GENMASK(31, bitlen) | value);
else
return (int)(GENMASK(bitlen - 1, 0) & value);
}