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USB: ftdi_sio.c: Fill LSR fields of the ftdi async_icount structure 

Signed-off-by: Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Uwe Bonnes 2011-10-10 17:24:34 +02:00 committed by Greg Kroah-Hartman
parent da7fbb6dd0
commit ac295f3924
1 changed files with 8 additions and 0 deletions
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8
drivers/usb/serial/ftdi_sio.c
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@ -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);