162306a36Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0-only 262306a36Sopenharmony_ciconfig ECHO 362306a36Sopenharmony_ci tristate "Line Echo Canceller support" 462306a36Sopenharmony_ci help 562306a36Sopenharmony_ci This driver provides line echo cancelling support for mISDN and 662306a36Sopenharmony_ci Zaptel drivers. 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci To compile this driver as a module, choose M here. The module 962306a36Sopenharmony_ci will be called echo. 10