/usr/src/linux-headers-5.15.0-190/net/bluetooth/cmtp
Edit: /usr/src/linux-headers-5.15.0-190/net/bluetooth/cmtp/Kconfig (381B)
# SPDX-License-Identifier: GPL-2.0-only
config BT_CMTP
tristate "CMTP protocol support"
depends on BT_BREDR && ISDN_CAPI
help
CMTP (CAPI Message Transport Protocol) is a transport layer
for CAPI messages. CMTP is required for the Bluetooth Common
ISDN Access Profile.
Say Y here to compile CMTP support into the kernel or say M to
compile it as module (cmtp).