USB: flow control fix for pl2303

in order to be able to switch back to 'flow-control none'
after having activated 'flow-control rts/cts', I made
a small change to 'pl2303.c'.


Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 83dfae93a45d..5027ae9afaab 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -617,6 +617,13 @@ static void pl2303_set_termios(struct usb_serial_port *port,
                                     VENDOR_WRITE_REQUEST_TYPE,
                                     0x0, index, NULL, 0, 100);
                 dbg("0x40:0x1:0x0:0x%x  %d", index, i);
+        } else {
+                i = usb_control_msg(serial->dev,
+                                    usb_sndctrlpipe(serial->dev, 0),
+                                    VENDOR_WRITE_REQUEST,
+                                    VENDOR_WRITE_REQUEST_TYPE,
+                                    0x0, 0x0, NULL, 0, 100);
+                dbg ("0x40:0x1:0x0:0x0  %d", i);
         }
 
         kfree(buf);