static void qt2_dtr_rts(struct usb_serial_port *port, int on)
{
struct usb_device *dev = port->serial->dev;
struct qt2_port_private *port_priv = usb_get_serial_port_data(port);
/* Disable flow control */
if (!on) {
if (qt2_setregister(dev, port_priv->device_port,
UART_MCR, 0) < 0)
dev_warn(&port->dev, "error from flowcontrol urb\n");
}
/* drop RTS and DTR */
if (on)
update_mctrl(port_priv, TIOCM_DTR | TIOCM_RTS, 0);
else
update_mctrl(port_priv, 0, TIOCM_DTR | TIOCM_RTS);
}
static int ssu100_tiocmset(struct tty_struct *tty,
unsigned int set, unsigned int clear)
{
struct usb_serial_port *port = tty->driver_data;
struct usb_device *dev = port->serial->dev;
return update_mctrl(dev, set, clear);
}
static int qt2_tiocmset(struct tty_struct *tty,
unsigned int set, unsigned int clear)
{
struct qt2_port_private *port_priv;
port_priv = usb_get_serial_port_data(tty->driver_data);
return update_mctrl(port_priv, set, clear);
}
