kernel.git/include/linux/mISDNdsp.h, branch linux-2.6.30.yHosts the 0x221E linux distro kernel.
https://git.0xinfinity.dev/distro/kernel.git/atom?h=linux-2.6.30.y2008-07-26T23:56:38ZAdd mISDN DSP2008-07-26T23:56:38ZKarsten Keil2008-07-26T23:56:38Zurn:sha1:960366cf8dbb3359afaca30cf7fdbf69a6d6dda7
Enable support for digital audio processing capability.
This module may be used for special applications that require
cross connecting of bchannels, conferencing, dtmf decoding
echo cancelation, tone generation, and Blowfish encryption and
decryption.
It may use hardware features if available.
Signed-off-by: Karsten Keil <kkeil@suse.de>