From 4c5dbaf6abb1112169625d27b75f5e85d0b41287 Mon Sep 17 00:00:00 2001
From: Dietmar Maurer <dietmar@proxmox.com>
Date: Wed, 14 Aug 2013 14:22:24 +0200
Subject: [PATCH] use tty chardev for usb-to-parallel

---
 PVE/QemuServer.pm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index 3c9c54dc..2d4abd37 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -2353,7 +2353,8 @@ sub config_to_command {
     for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++)  {
 	if (my $path = $conf->{"parallel$i"}) {
 	    die "no such parallel device\n" if ! -c $path;
-	    push @$devices, '-chardev', "parport,id=parallel$i,path=$path";
+	    my $devtype = $path =~ m!^/dev/usb/lp! ? 'tty' : 'parallel';
+	    push @$devices, '-chardev', "$devtype,id=parallel$i,path=$path";
 	    push @$devices, '-device', "isa-parallel,chardev=parallel$i";
 	}
     }