USB-serial: pl2303: add space/mark parity

The device supports it, so why not use it ? Works fine !

Signed-off-by: Frank Schaefer <schaefer.frank@gmx.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 82055b0..6ed33c7 100644 (file)
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -636,11 +636,21 @@ static void pl2303_set_termios(struct tty_struct *tty,
                /* For reference buf[5]=3 is mark parity */
                /* For reference buf[5]=4 is space parity */
                if (cflag & PARODD) {
-                       buf[5] = 1;
-                       dbg("%s - parity = odd", __func__);
+                       if (cflag & CMSPAR) {
+                               buf[5] = 3;
+                               dbg("%s - parity = mark", __func__);
+                       } else {
+                               buf[5] = 1;
+                               dbg("%s - parity = odd", __func__);
+                       }
                } else {
-                       buf[5] = 2;
-                       dbg("%s - parity = even", __func__);
+                       if (cflag & CMSPAR) {
+                               buf[5] = 4;
+                               dbg("%s - parity = space", __func__);
+                       } else {
+                               buf[5] = 2;
+                               dbg("%s - parity = even", __func__);
+                       }
                }
        } else {
                buf[5] = 0;