DC_LOG2BETA       308 drivers/misc/echo/echo.c 		ec->rx_1 += -(ec->rx_1 >> DC_LOG2BETA) + tmp - ec->rx_2;
DC_LOG2BETA       572 drivers/misc/echo/echo.c 		ec->tx_1 += -(ec->tx_1 >> DC_LOG2BETA) + tmp - ec->tx_2;