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Commit 9631595a authored by Johan Hovold's avatar Johan Hovold
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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: default avatarJohan Hovold <johan@kernel.org>
parent e69f7a67

drivers/usb/serial/mxu11x0.c

+1 −1
Original line number Diff line number Diff line
@@ -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)