USB: mxu11x0: fix modem-control handling on B0-transitions

Make sure to raise DTR and RTS on transitions from B0 and leave the
other bits unchanged.

Signed-off-by: Johan Hovold <johan@kernel.org>

diff --git a/drivers/usb/serial/mxu11x0.c b/drivers/usb/serial/mxu11x0.c
index c6c4776997fcdeac7f7496b997a6c73c19739407..c408cd7b4dc658634ce6d7b393d28ca092f469af 100644 (file)
--- a/drivers/usb/serial/mxu11x0.c
+++ b/drivers/usb/serial/mxu11x0.c
@@ -595,7 +595,7 @@ static void mxu1_set_termios(struct tty_struct *tty,
        if (C_BAUD(tty) == B0)
                mcr &= ~(MXU1_MCR_DTR | MXU1_MCR_RTS);
        else if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
-               mcr |= ~(MXU1_MCR_DTR | MXU1_MCR_RTS);
+               mcr |= MXU1_MCR_DTR | MXU1_MCR_RTS;
 
        status = mxu1_set_mcr(port, mcr);
        if (status)