From d14654dff7a3520b5220367b848732a0a8ccdabe Mon Sep 17 00:00:00 2001
From: Paul Chavent <Paul.Chavent@onera.fr>
Date: Mon, 16 Sep 2013 08:40:59 +0200
Subject: [PATCH] USB: serial: call handle_dcd_change in ftdi driver.

When the device receive a DCD status change, forward the signal to the
USB serial system. This way, we can detect, for instance, PPS pulses.

Signed-off-by: Paul Chavent <paul.chavent@onera.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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