clean_bg          265 drivers/misc/echo/echo.c 	int clean_bg;
clean_bg          360 drivers/misc/echo/echo.c 	clean_bg = rx - echo_value;
clean_bg          361 drivers/misc/echo/echo.c 	ec->lclean_bgacc += abs(clean_bg) - ec->lclean_bg;
clean_bg          413 drivers/misc/echo/echo.c 		lms_adapt_bg(ec, clean_bg, shift);