AUART_LINECTRL_BRK 1312 drivers/tty/serial/mxs-auart.c mxs_set(AUART_LINECTRL_BRK, s, REG_LINECTRL); AUART_LINECTRL_BRK 1314 drivers/tty/serial/mxs-auart.c mxs_clr(AUART_LINECTRL_BRK, s, REG_LINECTRL);