fix setting parity bits

ok mglocker@

diff --git a/sys/dev/usb/umcs.c b/sys/dev/usb/umcs.c
index 1636252..1929f9e 100644 (file)
--- a/sys/dev/usb/umcs.c
+++ b/sys/dev/usb/umcs.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: umcs.c,v 1.10 2022/04/09 20:07:44 naddy Exp $ */
+/* $OpenBSD: umcs.c,v 1.11 2023/04/10 12:11:22 jsg Exp $ */
 /* $NetBSD: umcs.c,v 1.8 2014/08/23 21:37:56 martin Exp $ */
 /* $FreeBSD: head/sys/dev/usb/serial/umcs.c 260559 2014-01-12 11:44:28Z hselasky $ */
 
@@ -542,9 +542,9 @@ umcs_param(void *self, int portno, struct termios *t)
        if (t->c_cflag & PARENB) {
                lcr |= UMCS_LCR_PARITYON;
                if (t->c_cflag & PARODD) {
-                       lcr = UMCS_LCR_PARITYODD;
+                       lcr |= UMCS_LCR_PARITYODD;
                } else {
-                       lcr = UMCS_LCR_PARITYEVEN;
+                       lcr |= UMCS_LCR_PARITYEVEN;
                }
        } else {
                lcr &= ~UMCS_LCR_PARITYON;