diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index a865df81a551..372ae5baa632 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1954,6 +1954,14 @@ static int ftdi_process_packet(struct tty_struct *tty, N.B. packet may be processed more than once, but differences are only processed once. */ status = packet[0] & FTDI_STATUS_B0_MASK; + if (status & FTDI_RS0_CTS) + priv->icount.cts++; + if (status & FTDI_RS0_DSR) + priv->icount.dsr++; + if (status & FTDI_RS0_RI) + priv->icount.rng++; + if (status & FTDI_RS0_RLSD) + priv->icount.dcd++; if (status != priv->prev_status) { priv->diff_status |= status ^ priv->prev_status; wake_up_interruptible(&priv->delta_msr_wait); |