/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/drivers/isdn/hysdn
Edit: /usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/drivers/isdn/hysdn/Kconfig (502B)
config HYSDN
tristate "Hypercope HYSDN cards (Champ, Ergo, Metro) support (module only)"
depends on m && PROC_FS && PCI
help
Say Y here if you have one of Hypercope's active PCI ISDN cards
Champ, Ergo and Metro. You will then get a module called hysdn.
Please read the file
for more
information.
config HYSDN_CAPI
bool "HYSDN CAPI 2.0 support"
depends on HYSDN && ISDN_CAPI
help
Say Y here if you like to use Hypercope's CAPI 2.0 interface.