ti_port_cmd_out
static int ti_port_cmd_out(struct usb_serial_port *port, u8 command,
status = ti_port_cmd_out(port, TI_OPEN_PORT, open_settings, NULL, 0);
status = ti_port_cmd_out(port, TI_START_PORT, 0, NULL, 0);
status = ti_port_cmd_out(port, TI_PURGE_PORT, TI_PURGE_INPUT, NULL, 0);
status = ti_port_cmd_out(port, TI_PURGE_PORT, TI_PURGE_OUTPUT, NULL, 0);
status = ti_port_cmd_out(port, TI_OPEN_PORT, open_settings, NULL, 0);
status = ti_port_cmd_out(port, TI_START_PORT, 0, NULL, 0);
status = ti_port_cmd_out(port, TI_CLOSE_PORT, 0, NULL, 0);
status = ti_port_cmd_out(port, TI_SET_CONFIG, 0, config,