The code is clean, there are users of it, so it doesn't belong in staging anymore, move it to drivers/misc/.
Cc: Steve Underwood Cc: David Rowe Signed-off-by: Greg Kroah-Hartman
config ECHO tristate "Line Echo Canceller support" default n ---help--- This driver provides line echo cancelling support for mISDN and Zaptel drivers. To compile this driver as a module, choose M here. The module will be called echo.