[PATCH] ir_usb: Termios handling

Alan Cox <[email protected]>
Newsgroups gmane.linux.usb.devel
Organization Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903
Message-ID <[email protected]>
- Clean up paranoia checks
- Propogate back a correct fixed termios

Signed-off-by: Alan Cox <[email protected]>

diff -u --new-file --exclude-from /usr/src/exclude --recursive linux.vanilla-2.6.23rc8-mm1/drivers/usb/serial/ir-usb.c linux-2.6.23rc8-mm1/drivers/usb/serial/ir-usb.c
--- linux.vanilla-2.6.23rc8-mm1/drivers/usb/serial/ir-usb.c	2007-09-26 16:45:23.000000000 +0100
+++ linux-2.6.23rc8-mm1/drivers/usb/serial/ir-usb.c	2007-09-18 16:32:37.000000000 +0100
@@ -504,11 +504,6 @@
 
 	dbg("%s - port %d", __FUNCTION__, port->number);
 
-	if ((!port->tty) || (!port->tty->termios)) {
-		dbg("%s - no tty structures", __FUNCTION__);
-		return;
-	}
-
 	baud = tty_get_baud_rate(port->tty);
 
 	/*
@@ -531,8 +526,6 @@
 		default:
 			ir_baud = SPEED_9600;
 			baud = 9600;
-			/* And once the new tty stuff is all done we need to
-			   call back to correct the baud bits */
 	}
 
 	if (xbof == -1)
@@ -562,6 +555,10 @@
 	result = usb_submit_urb (port->write_urb, GFP_KERNEL);
 	if (result)
 		dev_err(&port->dev, "%s - failed submitting write urb, error %d\n", __FUNCTION__, result);
+
+	/* Only speed changes are supported */
+	tty_termios_copy_hw(port->tty->termios, old_termios);
+	tty_encode_baud_rate(port->tty, baud, baud);
 }
 
 

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